/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/3_thr/adfg_3_x_n_indep.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:54,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:54,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:54,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:54,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:54,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:54,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:54,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:54,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:54,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:54,770 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:54,770 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:54,770 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:54,770 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:54,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:54,771 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:54,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:54,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:54,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:54,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:54,772 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:54,772 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> PARTIAL_ORDER_BA [2025-02-17 22:48:54,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:54,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:54,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:54,994 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:54,994 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:54,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/3_thr/adfg_3_x_n_indep.c.bpl [2025-02-17 22:48:54,995 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/3_thr/adfg_3_x_n_indep.c.bpl' [2025-02-17 22:48:55,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:55,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:55,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:55,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:55,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:55,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,029 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:55,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:55,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:55,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:55,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:55,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,038 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:55,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:55,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:55,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:55,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:55,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-17 22:48:55,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:55,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:55,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:48:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:48:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:48:55,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:55,094 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-17 22:48:55,133 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:55,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:55,214 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:55,215 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:55,221 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:55,222 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:55,222 INFO L201 PluginConnector]: Adding new model adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:55 BoogieIcfgContainer [2025-02-17 22:48:55,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:55,223 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:55,223 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:55,227 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:55,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:55,227 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/2) ... [2025-02-17 22:48:55,230 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33861ce0 and model type adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:55, skipping insertion in model container [2025-02-17 22:48:55,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:55,230 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:55" (2/2) ... [2025-02-17 22:48:55,231 INFO L363 chiAutomizerObserver]: Analyzing ICFG adfg_3_x_n_indep.c.bpl [2025-02-17 22:48:55,298 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-17 22:48:55,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 46 transitions, 113 flow [2025-02-17 22:48:55,374 INFO L124 PetriNetUnfolderBase]: 9/40 cut-off events. [2025-02-17 22:48:55,377 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-17 22:48:55,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 40 events. 9/40 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 102 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 39. Up to 4 conditions per place. [2025-02-17 22:48:55,383 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 46 transitions, 113 flow [2025-02-17 22:48:55,386 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 40 transitions, 98 flow [2025-02-17 22:48:55,392 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:56,240 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:56,241 INFO L101 AmpleReduction]: Number of pruned transitions: 476, Number of non-trivial ample sets: 876 [2025-02-17 22:48:56,241 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 685 [2025-02-17 22:48:56,250 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:56,250 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:56,250 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:56,250 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:56,250 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:56,250 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:56,251 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:56,251 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:56,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 678 states, 677 states have (on average 2.6838995568685378) internal successors, (1817), 677 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:56,324 INFO L131 ngComponentsAnalysis]: Automaton has 68 accepting balls. 498 [2025-02-17 22:48:56,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,330 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,331 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:56,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 678 states, 677 states have (on average 2.6838995568685378) internal successors, (1817), 677 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:56,349 INFO L131 ngComponentsAnalysis]: Automaton has 68 accepting balls. 498 [2025-02-17 22:48:56,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,350 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,354 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t_2 1) InVars {} OutVars{t=v_t_2} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:56,354 INFO L754 eck$LassoCheckResult]: Loop: "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= v_x1_2 (+ v_x1_1 v_t_1)) InVars {x1=v_x1_2, t=v_t_1} OutVars{x1=v_x1_1, t=v_t_1} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:56,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,358 INFO L85 PathProgramCache]: Analyzing trace with hash 175637, now seen corresponding path program 1 times [2025-02-17 22:48:56,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097090134] [2025-02-17 22:48:56,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,415 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,436 INFO L85 PathProgramCache]: Analyzing trace with hash 147063, now seen corresponding path program 1 times [2025-02-17 22:48:56,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163417767] [2025-02-17 22:48:56,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,443 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,451 INFO L85 PathProgramCache]: Analyzing trace with hash 937551843, now seen corresponding path program 1 times [2025-02-17 22:48:56,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517264244] [2025-02-17 22:48:56,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:56,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:56,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517264244] [2025-02-17 22:48:56,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517264244] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:56,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:56,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:48:56,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125891988] [2025-02-17 22:48:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:56,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:56,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:56,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:56,567 INFO L87 Difference]: Start difference. First operand has 678 states, 677 states have (on average 2.6838995568685378) internal successors, (1817), 677 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:56,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:56,644 INFO L93 Difference]: Finished difference Result 912 states and 2224 transitions. [2025-02-17 22:48:56,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 912 states and 2224 transitions. [2025-02-17 22:48:56,653 INFO L131 ngComponentsAnalysis]: Automaton has 137 accepting balls. 626 [2025-02-17 22:48:56,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 912 states to 880 states and 2160 transitions. [2025-02-17 22:48:56,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 880 [2025-02-17 22:48:56,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 880 [2025-02-17 22:48:56,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 880 states and 2160 transitions. [2025-02-17 22:48:56,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:48:56,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 880 states and 2160 transitions. [2025-02-17 22:48:56,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states and 2160 transitions. [2025-02-17 22:48:56,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2025-02-17 22:48:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 880 states have (on average 2.4545454545454546) internal successors, (2160), 879 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 2160 transitions. [2025-02-17 22:48:56,752 INFO L240 hiAutomatonCegarLoop]: Abstraction has 880 states and 2160 transitions. [2025-02-17 22:48:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:56,755 INFO L432 stractBuchiCegarLoop]: Abstraction has 880 states and 2160 transitions. [2025-02-17 22:48:56,755 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:56,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 880 states and 2160 transitions. [2025-02-17 22:48:56,759 INFO L131 ngComponentsAnalysis]: Automaton has 137 accepting balls. 626 [2025-02-17 22:48:56,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,760 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t_2 1) InVars {} OutVars{t=v_t_2} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:56,760 INFO L754 eck$LassoCheckResult]: Loop: "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[122] L38-->L36-2: Formula: (= v_x1_5 (+ v_x1_6 v_t_4)) InVars {x1=v_x1_6, t=v_t_4} OutVars{x1=v_x1_5, t=v_t_4} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:56,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,761 INFO L85 PathProgramCache]: Analyzing trace with hash 175637, now seen corresponding path program 2 times [2025-02-17 22:48:56,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642748328] [2025-02-17 22:48:56,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:56,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,764 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,764 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,764 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:56,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,764 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 147031, now seen corresponding path program 1 times [2025-02-17 22:48:56,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703509928] [2025-02-17 22:48:56,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,770 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 937551811, now seen corresponding path program 1 times [2025-02-17 22:48:56,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367913518] [2025-02-17 22:48:56,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,780 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,832 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:56,833 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:56,833 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:56,833 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:56,833 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:56,833 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,833 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:56,833 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:56,833 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration2_Lasso [2025-02-17 22:48:56,833 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:56,834 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:56,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,891 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:56,891 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:56,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:56,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-17 22:48:56,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,923 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:56,923 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:56,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-17 22:48:56,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:56,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-17 22:48:56,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,951 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:56,952 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:56,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-17 22:48:56,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:56,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-17 22:48:56,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:56,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:56,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-17 22:48:56,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:56,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,143 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:57,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-17 22:48:57,151 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,151 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,151 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,151 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,151 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:57,151 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,151 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,151 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,151 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration2_Lasso [2025-02-17 22:48:57,151 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,151 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,194 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,196 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:57,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,199 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-17 22:48:57,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:57,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:57,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-17 22:48:57,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-17 22:48:57,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:57,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:57,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-17 22:48:57,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:57,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,286 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:57,292 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:57,292 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-17 22:48:57,298 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:57,314 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:57,314 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:57,314 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n1, t, x1) = 2*n1 + 1*t - 2*x1 Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:48:57,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-17 22:48:57,327 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:57,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:57,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:57,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,382 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:57,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:57,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:57,415 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 880 states and 2160 transitions. cyclomatic complexity: 1417 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:57,531 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 880 states and 2160 transitions. cyclomatic complexity: 1417. 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 1531 states and 3933 transitions. Complement of second has 6 states. [2025-02-17 22:48:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2025-02-17 22:48:57,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 91 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:57,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 91 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:57,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 91 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:57,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1531 states and 3933 transitions. [2025-02-17 22:48:57,552 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 785 [2025-02-17 22:48:57,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1531 states to 1368 states and 3499 transitions. [2025-02-17 22:48:57,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1111 [2025-02-17 22:48:57,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1212 [2025-02-17 22:48:57,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1368 states and 3499 transitions. [2025-02-17 22:48:57,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:57,566 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1368 states and 3499 transitions. [2025-02-17 22:48:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states and 3499 transitions. [2025-02-17 22:48:57,604 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 22:48:57,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1168. [2025-02-17 22:48:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 1168 states have (on average 2.608732876712329) internal successors, (3047), 1167 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 3047 transitions. [2025-02-17 22:48:57,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1168 states and 3047 transitions. [2025-02-17 22:48:57,616 INFO L432 stractBuchiCegarLoop]: Abstraction has 1168 states and 3047 transitions. [2025-02-17 22:48:57,616 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:57,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1168 states and 3047 transitions. [2025-02-17 22:48:57,623 INFO L131 ngComponentsAnalysis]: Automaton has 157 accepting balls. 704 [2025-02-17 22:48:57,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:57,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:57,624 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:57,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:57,624 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t_3 1) 0) InVars {} OutVars{t=v_t_3} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:57,624 INFO L754 eck$LassoCheckResult]: Loop: "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= v_x1_2 (+ v_x1_1 v_t_1)) InVars {x1=v_x1_2, t=v_t_1} OutVars{x1=v_x1_1, t=v_t_1} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:57,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash 175669, now seen corresponding path program 1 times [2025-02-17 22:48:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064042763] [2025-02-17 22:48:57,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,628 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 147063, now seen corresponding path program 2 times [2025-02-17 22:48:57,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867199815] [2025-02-17 22:48:57,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,632 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,633 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,633 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:57,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,633 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash 938505155, now seen corresponding path program 1 times [2025-02-17 22:48:57,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096160156] [2025-02-17 22:48:57,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:57,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:57,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,639 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:57,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:57,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,685 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,685 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,685 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,685 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,685 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:57,685 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,685 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,685 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,685 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:57,685 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,685 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,725 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,725 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:57,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-17 22:48:57,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,742 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,742 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,750 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-17 22:48:57,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-17 22:48:57,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-17 22:48:57,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:57,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,913 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:57,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,920 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,920 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,920 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,920 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,920 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:57,920 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,920 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,920 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,920 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:57,920 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,920 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,969 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,969 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:57,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,972 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-17 22:48:57,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:57,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-17 22:48:58,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,014 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-17 22:48:58,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:58,039 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:58,039 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:58,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,041 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-17 22:48:58,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:58,054 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:58,054 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:58,054 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n1, x1) = 2*n1 - 2*x1 + 1 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:48:58,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,063 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:58,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,092 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:58,114 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:58,114 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1168 states and 3047 transitions. cyclomatic complexity: 2050 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,241 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1168 states and 3047 transitions. cyclomatic complexity: 2050. 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 2729 states and 7419 transitions. Complement of second has 7 states. [2025-02-17 22:48:58,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2025-02-17 22:48:58,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 107 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:58,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 107 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:58,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 107 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:58,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2729 states and 7419 transitions. [2025-02-17 22:48:58,264 INFO L131 ngComponentsAnalysis]: Automaton has 241 accepting balls. 969 [2025-02-17 22:48:58,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2729 states to 2230 states and 5882 transitions. [2025-02-17 22:48:58,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1533 [2025-02-17 22:48:58,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1870 [2025-02-17 22:48:58,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2230 states and 5882 transitions. [2025-02-17 22:48:58,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2230 states and 5882 transitions. [2025-02-17 22:48:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states and 5882 transitions. [2025-02-17 22:48:58,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-17 22:48:58,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1411. [2025-02-17 22:48:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1411 states have (on average 2.6846208362863218) internal successors, (3788), 1410 states have internal predecessors, (3788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 3788 transitions. [2025-02-17 22:48:58,350 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1411 states and 3788 transitions. [2025-02-17 22:48:58,350 INFO L432 stractBuchiCegarLoop]: Abstraction has 1411 states and 3788 transitions. [2025-02-17 22:48:58,350 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:48:58,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1411 states and 3788 transitions. [2025-02-17 22:48:58,357 INFO L131 ngComponentsAnalysis]: Automaton has 160 accepting balls. 672 [2025-02-17 22:48:58,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:58,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,358 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[124] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t_7 1) InVars {} OutVars{t=v_t_7} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:58,358 INFO L754 eck$LassoCheckResult]: Loop: "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[131] L60-->L62: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[133] L62-->L60-2: Formula: (= v_x2_2 (+ v_x2_3 v_t_5)) InVars {t=v_t_5, x2=v_x2_3} OutVars{t=v_t_5, x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:58,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,358 INFO L85 PathProgramCache]: Analyzing trace with hash 168825723, now seen corresponding path program 1 times [2025-02-17 22:48:58,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511484077] [2025-02-17 22:48:58,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:58,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:58,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,362 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:58,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:58,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash 157954, now seen corresponding path program 1 times [2025-02-17 22:48:58,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000649178] [2025-02-17 22:48:58,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,368 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,370 INFO L85 PathProgramCache]: Analyzing trace with hash 80538440, now seen corresponding path program 1 times [2025-02-17 22:48:58,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138047732] [2025-02-17 22:48:58,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,373 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,420 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,420 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,420 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,420 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,420 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,420 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,420 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,420 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,420 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:48:58,420 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,420 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,477 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,477 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,482 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-17 22:48:58,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,496 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,496 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,504 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-17 22:48:58,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,518 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,518 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-17 22:48:58,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,526 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-17 22:48:58,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,539 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,540 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,549 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-17 22:48:58,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,572 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,573 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-17 22:48:58,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,580 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-17 22:48:58,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,599 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 22:48:58,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,602 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-17 22:48:58,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:58,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,758 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:58,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-17 22:48:58,765 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,765 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,765 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,765 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,765 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:58,765 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,765 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,765 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,765 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:48:58,765 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,765 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,821 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,821 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:58,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,825 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-17 22:48:58,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,849 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-17 22:48:58,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,877 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-17 22:48:58,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,892 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-17 22:48:58,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,900 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-17 22:48:58,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-17 22:48:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,923 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-17 22:48:58,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:58,949 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:58,949 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:58,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,951 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-17 22:48:58,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:58,965 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:58,965 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:58,965 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n2, x2) = 2*n2 - 2*x2 + 1 Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:48:58,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,975 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:58,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:59,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:59,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,012 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:59,032 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:59,033 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1411 states and 3788 transitions. cyclomatic complexity: 2578 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 22:48:59,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1411 states and 3788 transitions. cyclomatic complexity: 2578. 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 3024 states and 8619 transitions. Complement of second has 7 states. [2025-02-17 22:48:59,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:59,141 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 22:48:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 93 transitions. [2025-02-17 22:48:59,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 93 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:48:59,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 93 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:59,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 93 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:48:59,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3024 states and 8619 transitions. [2025-02-17 22:48:59,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-17 22:48:59,182 INFO L131 ngComponentsAnalysis]: Automaton has 218 accepting balls. 930 [2025-02-17 22:48:59,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3024 states to 2527 states and 7084 transitions. [2025-02-17 22:48:59,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1508 [2025-02-17 22:48:59,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1697 [2025-02-17 22:48:59,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2527 states and 7084 transitions. [2025-02-17 22:48:59,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:59,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2527 states and 7084 transitions. [2025-02-17 22:48:59,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states and 7084 transitions. [2025-02-17 22:48:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 1992. [2025-02-17 22:48:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1992 states have (on average 2.8629518072289155) internal successors, (5703), 1991 states have internal predecessors, (5703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 5703 transitions. [2025-02-17 22:48:59,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1992 states and 5703 transitions. [2025-02-17 22:48:59,266 INFO L432 stractBuchiCegarLoop]: Abstraction has 1992 states and 5703 transitions. [2025-02-17 22:48:59,266 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:48:59,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1992 states and 5703 transitions. [2025-02-17 22:48:59,277 INFO L131 ngComponentsAnalysis]: Automaton has 169 accepting balls. 693 [2025-02-17 22:48:59,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:59,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:59,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:59,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:59,278 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t_3 1) 0) InVars {} OutVars{t=v_t_3} AuxVars[] AssignedVars[t]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:59,278 INFO L754 eck$LassoCheckResult]: Loop: "[122] L38-->L36-2: Formula: (= v_x1_5 (+ v_x1_6 v_t_4)) InVars {x1=v_x1_6, t=v_t_4} OutVars{x1=v_x1_5, t=v_t_4} AuxVars[] AssignedVars[x1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:59,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,278 INFO L85 PathProgramCache]: Analyzing trace with hash 168821687, now seen corresponding path program 1 times [2025-02-17 22:48:59,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198602497] [2025-02-17 22:48:59,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:59,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:59,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:59,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:59,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198602497] [2025-02-17 22:48:59,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198602497] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:59,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:59,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:59,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093039458] [2025-02-17 22:48:59,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:59,294 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:48:59,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,295 INFO L85 PathProgramCache]: Analyzing trace with hash 150811, now seen corresponding path program 2 times [2025-02-17 22:48:59,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036293832] [2025-02-17 22:48:59,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:59,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,297 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,297 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,297 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:59,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,298 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:59,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:59,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:59,319 INFO L87 Difference]: Start difference. First operand 1992 states and 5703 transitions. cyclomatic complexity: 3962 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:59,346 INFO L93 Difference]: Finished difference Result 1165 states and 3308 transitions. [2025-02-17 22:48:59,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1165 states and 3308 transitions. [2025-02-17 22:48:59,356 INFO L131 ngComponentsAnalysis]: Automaton has 69 accepting balls. 249 [2025-02-17 22:48:59,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1165 states to 1130 states and 3217 transitions. [2025-02-17 22:48:59,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 558 [2025-02-17 22:48:59,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 558 [2025-02-17 22:48:59,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1130 states and 3217 transitions. [2025-02-17 22:48:59,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:59,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1130 states and 3217 transitions. [2025-02-17 22:48:59,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states and 3217 transitions. [2025-02-17 22:48:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2025-02-17 22:48:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1130 states have (on average 2.8469026548672565) internal successors, (3217), 1129 states have internal predecessors, (3217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 3217 transitions. [2025-02-17 22:48:59,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1130 states and 3217 transitions. [2025-02-17 22:48:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:59,389 INFO L432 stractBuchiCegarLoop]: Abstraction has 1130 states and 3217 transitions. [2025-02-17 22:48:59,389 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:48:59,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1130 states and 3217 transitions. [2025-02-17 22:48:59,394 INFO L131 ngComponentsAnalysis]: Automaton has 69 accepting balls. 249 [2025-02-17 22:48:59,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:59,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:59,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:59,394 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:59,395 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t_8 1) 0) InVars {} OutVars{t=v_t_8} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:59,395 INFO L754 eck$LassoCheckResult]: Loop: "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[132] L60-->L66: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[134] L66-->L60-2: Formula: (= v_x2_5 (+ v_x2_4 v_t_6)) InVars {t=v_t_6, x2=v_x2_5} OutVars{t=v_t_6, x2=v_x2_4} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:59,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash 168855546, now seen corresponding path program 1 times [2025-02-17 22:48:59,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94020451] [2025-02-17 22:48:59,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:59,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:59,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,398 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:59,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:59,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,401 INFO L85 PathProgramCache]: Analyzing trace with hash 157986, now seen corresponding path program 1 times [2025-02-17 22:48:59,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818948804] [2025-02-17 22:48:59,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,403 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 968995465, now seen corresponding path program 1 times [2025-02-17 22:48:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634883865] [2025-02-17 22:48:59,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,408 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,452 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,452 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,452 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,452 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,452 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:59,452 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,452 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,453 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,453 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:59,453 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,453 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,507 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,507 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:59,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,509 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-17 22:48:59,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,532 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-17 22:48:59,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:59,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,661 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:59,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-17 22:48:59,668 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,668 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,668 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,668 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,668 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:59,668 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,668 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,668 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,668 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:59,668 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,668 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,723 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,723 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:59,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,729 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-17 22:48:59,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:59,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,748 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:59,755 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:59,755 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:59,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,759 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-17 22:48:59,761 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:59,774 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:59,774 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:59,774 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(t, n2, x2) = -1*t + 2*n2 - 2*x2 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:48:59,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-17 22:48:59,785 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:59,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:59,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:59,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,835 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:59,859 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:59,859 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1130 states and 3217 transitions. cyclomatic complexity: 2211 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 22:48:59,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1130 states and 3217 transitions. cyclomatic complexity: 2211. 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 1869 states and 5513 transitions. Complement of second has 6 states. [2025-02-17 22:48:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:59,924 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 22:48:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2025-02-17 22:48:59,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:48:59,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:59,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:48:59,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1869 states and 5513 transitions. [2025-02-17 22:48:59,935 INFO L131 ngComponentsAnalysis]: Automaton has 54 accepting balls. 162 [2025-02-17 22:48:59,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1869 states to 1474 states and 4364 transitions. [2025-02-17 22:48:59,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 538 [2025-02-17 22:48:59,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 612 [2025-02-17 22:48:59,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1474 states and 4364 transitions. [2025-02-17 22:48:59,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:59,946 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1474 states and 4364 transitions. [2025-02-17 22:48:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states and 4364 transitions. [2025-02-17 22:48:59,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1362. [2025-02-17 22:48:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1362 states have (on average 2.9456681350954477) internal successors, (4012), 1361 states have internal predecessors, (4012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 4012 transitions. [2025-02-17 22:48:59,972 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1362 states and 4012 transitions. [2025-02-17 22:48:59,972 INFO L432 stractBuchiCegarLoop]: Abstraction has 1362 states and 4012 transitions. [2025-02-17 22:48:59,972 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-17 22:48:59,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1362 states and 4012 transitions. [2025-02-17 22:48:59,976 INFO L131 ngComponentsAnalysis]: Automaton has 54 accepting balls. 162 [2025-02-17 22:48:59,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:59,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:59,977 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:59,977 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:59,977 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[124] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[135] $Ultimate##0-->L76: Formula: (<= 1 v_b_12) InVars {b=v_b_12} OutVars{b=v_b_12} AuxVars[] AssignedVars[]" "[137] L76-->L84-2: Formula: (= v_t_12 1) InVars {} OutVars{t=v_t_12} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:59,977 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n3_2) InVars {n3=v_n3_2, x3=v_x3_2} OutVars{n3=v_n3_2, x3=v_x3_2} AuxVars[] AssignedVars[]" "[142] L84-->L86: Formula: (<= 1 v_b_10) InVars {b=v_b_10} OutVars{b=v_b_10} AuxVars[] AssignedVars[]" "[144] L86-->L84-2: Formula: (= v_x3_3 (+ v_x3_4 v_t_10)) InVars {t=v_t_10, x3=v_x3_4} OutVars{t=v_t_10, x3=v_x3_3} AuxVars[] AssignedVars[x3]" [2025-02-17 22:48:59,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,977 INFO L85 PathProgramCache]: Analyzing trace with hash -967206215, now seen corresponding path program 1 times [2025-02-17 22:48:59,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514045708] [2025-02-17 22:48:59,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:59,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:59,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,983 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:59,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:59,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash 168877, now seen corresponding path program 1 times [2025-02-17 22:48:59,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481430317] [2025-02-17 22:48:59,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,990 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,992 INFO L85 PathProgramCache]: Analyzing trace with hash 895376885, now seen corresponding path program 1 times [2025-02-17 22:48:59,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130116516] [2025-02-17 22:48:59,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-17 22:48:59,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-17 22:48:59,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,998 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-17 22:49:00,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-17 22:49:00,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,049 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:00,049 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:00,049 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:00,049 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:00,049 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:00,049 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,049 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:00,050 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:00,050 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:49:00,050 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:00,050 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:00,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,122 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,122 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:00,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,125 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-17 22:49:00,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,139 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,140 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,148 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-17 22:49:00,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,162 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,163 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,204 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-17 22:49:00,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,219 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,219 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,227 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-17 22:49:00,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,249 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,249 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-02-17 22:49:00,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,258 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-17 22:49:00,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,272 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,272 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,280 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-17 22:49:00,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,300 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 22:49:00,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,302 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-17 22:49:00,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:00,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,470 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:00,477 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 22:49:00,477 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:00,478 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:00,478 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:00,478 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:00,478 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:00,478 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,478 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:00,478 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:00,478 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:49:00,478 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:00,478 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:00,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,552 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,552 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:00,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,554 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-17 22:49:00,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,569 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-02-17 22:49:00,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,577 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-17 22:49:00,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,594 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,602 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-17 22:49:00,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,627 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 22:49:00,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,630 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-17 22:49:00,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,654 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-17 22:49:00,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,671 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,679 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-17 22:49:00,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,703 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-17 22:49:00,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,720 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,727 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-17 22:49:00,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,751 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:00,756 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:49:00,756 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:49:00,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,758 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-17 22:49:00,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:00,770 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:00,771 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:00,771 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n3, x3) = 2*n3 - 2*x3 + 1 Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:49:00,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-02-17 22:49:00,782 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:00,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:49:00,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:49:00,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:00,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:00,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:00,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:00,814 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:00,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:00,834 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:49:00,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1362 states and 4012 transitions. cyclomatic complexity: 2784 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:00,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,913 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1362 states and 4012 transitions. cyclomatic complexity: 2784. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2429 states and 7761 transitions. Complement of second has 6 states. [2025-02-17 22:49:00,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2025-02-17 22:49:00,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 80 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-17 22:49:00,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 80 transitions. Stem has 10 letters. Loop has 3 letters. [2025-02-17 22:49:00,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 80 transitions. Stem has 7 letters. Loop has 6 letters. [2025-02-17 22:49:00,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2429 states and 7761 transitions. [2025-02-17 22:49:00,930 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 81 [2025-02-17 22:49:00,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2429 states to 660 states and 1908 transitions. [2025-02-17 22:49:00,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2025-02-17 22:49:00,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2025-02-17 22:49:00,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 660 states and 1908 transitions. [2025-02-17 22:49:00,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:00,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 660 states and 1908 transitions. [2025-02-17 22:49:00,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states and 1908 transitions. [2025-02-17 22:49:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2025-02-17 22:49:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 660 states have (on average 2.890909090909091) internal successors, (1908), 659 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1908 transitions. [2025-02-17 22:49:00,947 INFO L240 hiAutomatonCegarLoop]: Abstraction has 660 states and 1908 transitions. [2025-02-17 22:49:00,947 INFO L432 stractBuchiCegarLoop]: Abstraction has 660 states and 1908 transitions. [2025-02-17 22:49:00,947 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-17 22:49:00,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1908 transitions. [2025-02-17 22:49:00,948 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 81 [2025-02-17 22:49:00,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:00,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:00,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:00,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:00,949 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[138] L80-->L84-2: Formula: (= 0 (+ v_t_9 1)) InVars {} OutVars{t=v_t_9} AuxVars[] AssignedVars[t]" [2025-02-17 22:49:00,949 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n3_2) InVars {n3=v_n3_2, x3=v_x3_2} OutVars{n3=v_n3_2, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L84-->L90: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L90-->L84-2: Formula: (= v_x3_6 (+ v_x3_5 v_t_11)) InVars {t=v_t_11, x3=v_x3_6} OutVars{t=v_t_11, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:00,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,950 INFO L85 PathProgramCache]: Analyzing trace with hash -938547241, now seen corresponding path program 1 times [2025-02-17 22:49:00,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451971979] [2025-02-17 22:49:00,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:49:00,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:49:00,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,954 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:49:00,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:49:00,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,956 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 1 times [2025-02-17 22:49:00,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787714321] [2025-02-17 22:49:00,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,958 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash -23620553, now seen corresponding path program 1 times [2025-02-17 22:49:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989765492] [2025-02-17 22:49:00,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-17 22:49:00,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-17 22:49:00,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,963 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-17 22:49:00,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-17 22:49:00,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,015 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:01,015 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:01,015 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:01,015 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:01,015 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:01,015 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,015 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:01,015 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:01,015 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration8_Lasso [2025-02-17 22:49:01,015 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:01,015 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:01,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,093 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:01,093 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:01,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,138 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-17 22:49:01,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,140 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,168 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,169 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-02-17 22:49:01,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,179 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-17 22:49:01,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,199 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,199 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-02-17 22:49:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,207 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-17 22:49:01,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,225 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 22:49:01,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,227 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-17 22:49:01,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:01,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,354 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:01,360 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 22:49:01,360 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:01,360 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:01,360 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:01,360 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:01,360 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:01,360 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,360 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:01,360 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:01,360 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_indep.c.bpl_petrified1_Iteration8_Lasso [2025-02-17 22:49:01,360 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:01,360 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:01,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,442 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:01,442 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:01,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,446 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-17 22:49:01,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,468 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-17 22:49:01,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2025-02-17 22:49:01,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,492 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-17 22:49:01,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,509 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:01,514 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:49:01,514 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:49:01,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,516 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-17 22:49:01,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:01,527 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:01,527 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:01,527 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n3, x3) = 2*n3 - 2*x3 + 1 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:49:01,534 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 22:49:01,535 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:01,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:49:01,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:49:01,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,570 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:01,594 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:49:01,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1908 transitions. cyclomatic complexity: 1314 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:01,649 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1908 transitions. cyclomatic complexity: 1314. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1715 states and 5550 transitions. Complement of second has 6 states. [2025-02-17 22:49:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2025-02-17 22:49:01,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 66 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-17 22:49:01,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 66 transitions. Stem has 10 letters. Loop has 3 letters. [2025-02-17 22:49:01,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 66 transitions. Stem has 7 letters. Loop has 6 letters. [2025-02-17 22:49:01,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1715 states and 5550 transitions. [2025-02-17 22:49:01,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:49:01,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1715 states to 0 states and 0 transitions. [2025-02-17 22:49:01,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:49:01,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:49:01,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:49:01,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:49:01,662 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:01,662 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:01,662 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:01,662 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-17 22:49:01,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:49:01,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:49:01,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:49:01,668 INFO L201 PluginConnector]: Adding new model adfg_3_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:49:01 BoogieIcfgContainer [2025-02-17 22:49:01,668 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:49:01,669 INFO L158 Benchmark]: Toolchain (without parser) took 6660.35ms. Allocated memory was 167.8MB in the beginning and 172.0MB in the end (delta: 4.2MB). Free memory was 94.5MB in the beginning and 48.8MB in the end (delta: 45.7MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. [2025-02-17 22:49:01,669 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 90.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:01,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.96ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:01,670 INFO L158 Benchmark]: Boogie Preprocessor took 12.50ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 92.4MB in the end (delta: 713.5kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:01,670 INFO L158 Benchmark]: RCFGBuilder took 178.79ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 82.7MB in the end (delta: 9.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-02-17 22:49:01,670 INFO L158 Benchmark]: BuchiAutomizer took 6445.35ms. Allocated memory was 167.8MB in the beginning and 172.0MB in the end (delta: 4.2MB). Free memory was 82.6MB in the beginning and 48.8MB in the end (delta: 33.9MB). Peak memory consumption was 41.0MB. Max. memory is 8.0GB. [2025-02-17 22:49:01,671 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 0.14ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 90.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.96ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 12.50ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 92.4MB in the end (delta: 713.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 178.79ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 82.7MB in the end (delta: 9.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 6445.35ms. Allocated memory was 167.8MB in the beginning and 172.0MB in the end (delta: 4.2MB). Free memory was 82.6MB in the beginning and 48.8MB in the end (delta: 33.9MB). Peak memory consumption was 41.0MB. 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 8 terminating modules (2 trivial, 6 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x1 + 2 * n1 + t and consists of 4 locations. One deterministic module has affine ranking function -2 * x1 + 2 * n1 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n2 + -2 * x2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -1 * t + 2 * n2 + -2 * x2 and consists of 4 locations. One deterministic module has affine ranking function -2 * x3 + 2 * n3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * x3 + 2 * n3 + 1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 9 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 2. Minimization of nondet autom 6. Automata minimization 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1666 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 456 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 456 mSDsluCounter, 612 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 227 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 385 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 14 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s InitialAbstractionConstructionTime: 0.9s InitialAbstraction: Time to compute Ample Reduction [ms]: 915, Trivial Ample Sets caused by loops: 685, Number of non-trivial ample sets: 876, Number of pruned transitions: 476, Number of transitions in reduction automaton: 1817, Number of states in reduction automaton: 678, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:49:01,687 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 22:49:01,884 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...