/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:21:42,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:21:42,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:21:42,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:21:42,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:21:42,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:21:42,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:21:42,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:21:42,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:21:42,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:21:42,156 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:21:42,156 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:21:42,156 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:21:42,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:21:42,157 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:21:42,158 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:21:42,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:21:42,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:21:42,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:21:42,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:21:42,158 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:21:42,158 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:21:42,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:21:42,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:21:42,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:21:42,359 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:21:42,360 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:21:42,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl [2025-04-26 16:21:42,361 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl' [2025-04-26 16:21:42,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:21:42,382 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:21:42,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:21:42,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:21:42,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:21:42,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,418 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:21:42,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:21:42,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:21:42,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:21:42,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:21:42,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:21:42,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:21:42,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:21:42,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:21:42,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/1) ... [2025-04-26 16:21:42,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:42,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:42,465 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) [2025-04-26 16:21:42,467 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 [2025-04-26 16:21:42,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T4 given in one single declaration [2025-04-26 16:21:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure T4 [2025-04-26 16:21:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure T4 [2025-04-26 16:21:42,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:21:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:21:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:21:42,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2025-04-26 16:21:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2025-04-26 16:21:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2025-04-26 16:21:42,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2025-04-26 16:21:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2025-04-26 16:21:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2025-04-26 16:21:42,486 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:21:42,525 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:21:42,526 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:21:42,599 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:21:42,599 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:21:42,614 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:21:42,614 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-26 16:21:42,614 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:21:42 BoogieIcfgContainer [2025-04-26 16:21:42,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:21:42,615 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:21:42,615 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:21:42,622 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:21:42,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:21:42,623 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:42" (1/2) ... [2025-04-26 16:21:42,624 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254dd42a and model type sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:21:42, skipping insertion in model container [2025-04-26 16:21:42,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:21:42,624 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:21:42" (2/2) ... [2025-04-26 16:21:42,625 INFO L376 chiAutomizerObserver]: Analyzing ICFG sum-print2.bpl [2025-04-26 16:21:42,682 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-26 16:21:42,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 85 flow [2025-04-26 16:21:42,745 INFO L116 PetriNetUnfolderBase]: 4/26 cut-off events. [2025-04-26 16:21:42,747 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 16:21:42,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2025-04-26 16:21:42,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 85 flow [2025-04-26 16:21:42,754 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2025-04-26 16:21:42,754 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 32 places, 26 transitions, 70 flow [2025-04-26 16:21:42,765 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:21:42,765 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:21:42,765 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:21:42,765 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:21:42,765 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:21:42,765 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:21:42,765 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:21:42,766 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:21:42,767 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:21:42,801 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 58 [2025-04-26 16:21:42,801 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:42,801 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:42,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:21:42,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-04-26 16:21:42,804 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:21:42,804 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 76 states, but on-demand construction may add more states [2025-04-26 16:21:42,808 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 58 [2025-04-26 16:21:42,809 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:42,809 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:42,809 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:21:42,809 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-04-26 16:21:42,813 INFO L752 eck$LassoCheckResult]: Stem: "[69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x]" "[71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y]" "[70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0]" [2025-04-26 16:21:42,813 INFO L754 eck$LassoCheckResult]: Loop: "[85] L25-->L25: Formula: (and (< v_i_17 v_N_9) (= (+ v_i_17 1) v_i_16) (= v_x_12 (+ v_x_13 (select v_A_7 v_i_17)))) InVars {A=v_A_7, i=v_i_17, x=v_x_13, N=v_N_9} OutVars{A=v_A_7, i=v_i_16, x=v_x_12, N=v_N_9} AuxVars[] AssignedVars[i, x]" [2025-04-26 16:21:42,819 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:42,820 INFO L85 PathProgramCache]: Analyzing trace with hash 3049591, now seen corresponding path program 1 times [2025-04-26 16:21:42,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:42,825 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657646203] [2025-04-26 16:21:42,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:42,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:42,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:42,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:42,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:42,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:42,874 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:42,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:42,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:42,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:42,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:42,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:42,893 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:42,893 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2025-04-26 16:21:42,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:42,893 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021566027] [2025-04-26 16:21:42,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:42,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:42,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:21:42,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:21:42,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:42,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:42,901 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:42,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:21:42,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:21:42,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:42,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:42,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:42,907 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:42,907 INFO L85 PathProgramCache]: Analyzing trace with hash 94537406, now seen corresponding path program 1 times [2025-04-26 16:21:42,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:42,908 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204103865] [2025-04-26 16:21:42,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:42,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:42,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:21:42,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:21:42,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:42,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:42,913 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:42,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:21:42,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:21:42,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:42,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:42,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:43,004 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:21:43,005 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:21:43,005 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:21:43,005 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:21:43,005 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:21:43,005 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,005 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:21:43,006 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:21:43,006 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:21:43,006 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:21:43,006 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:21:43,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,125 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:21:43,128 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:21:43,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,132 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) [2025-04-26 16:21:43,132 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 [2025-04-26 16:21:43,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,149 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,149 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,153 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,159 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 [2025-04-26 16:21:43,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 16:21:43,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,180 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,181 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,186 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 16:21:43,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 16:21:43,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,209 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,210 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,217 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:21:43,231 INFO L436 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-04-26 16:21:43,231 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 16:21:43,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 16:21:43,254 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:21:43,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:43,274 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:21:43,274 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:21:43,275 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2025-04-26 16:21:43,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 16:21:43,284 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:21:43,300 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:43,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:43,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:43,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:43,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:21:43,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:43,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:21:43,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:21:43,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:43,344 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:21:43,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:21:43,377 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-04-26 16:21:43,393 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 76 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.5) internal successors, (in total 5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:43,470 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 76 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (in total 5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 246 states and 761 transitions. Complement of second has 4 states. [2025-04-26 16:21:43,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 16:21:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (in total 5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2025-04-26 16:21:43,486 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 4 letters. Loop has 1 letters. [2025-04-26 16:21:43,487 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:43,487 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 5 letters. Loop has 1 letters. [2025-04-26 16:21:43,487 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:43,487 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 16:21:43,487 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:43,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 246 states and 761 transitions. [2025-04-26 16:21:43,498 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 42 [2025-04-26 16:21:43,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 246 states to 168 states and 520 transitions. [2025-04-26 16:21:43,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2025-04-26 16:21:43,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2025-04-26 16:21:43,505 INFO L74 IsDeterministic]: Start isDeterministic. Operand 168 states and 520 transitions. [2025-04-26 16:21:43,506 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:21:43,506 INFO L218 hiAutomatonCegarLoop]: Abstraction has 168 states and 520 transitions. [2025-04-26 16:21:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states and 520 transitions. [2025-04-26 16:21:43,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 123. [2025-04-26 16:21:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 123 states have (on average 3.341463414634146) internal successors, (in total 411), 122 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 411 transitions. [2025-04-26 16:21:43,530 INFO L240 hiAutomatonCegarLoop]: Abstraction has 123 states and 411 transitions. [2025-04-26 16:21:43,530 INFO L438 stractBuchiCegarLoop]: Abstraction has 123 states and 411 transitions. [2025-04-26 16:21:43,530 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:21:43,530 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 411 transitions. [2025-04-26 16:21:43,532 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 42 [2025-04-26 16:21:43,532 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:43,532 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:43,533 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:21:43,533 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:21:43,533 INFO L752 eck$LassoCheckResult]: Stem: "[69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x]" "[71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y]" "[70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0]" "[93] L76-1-->L38: Formula: (and (= v_T3Thread1of1ForFork1_thidvar1_2 3) (= v_T3Thread1of1ForFork1_thidvar2_2 3) (= v_T3Thread1of1ForFork1_thidvar0_2 3)) InVars {} OutVars{T3Thread1of1ForFork1_thidvar1=v_T3Thread1of1ForFork1_thidvar1_2, T3Thread1of1ForFork1_thidvar2=v_T3Thread1of1ForFork1_thidvar2_2, T3Thread1of1ForFork1_thidvar0=v_T3Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T3Thread1of1ForFork1_thidvar1, T3Thread1of1ForFork1_thidvar2, T3Thread1of1ForFork1_thidvar0]" "[96] L77-->$Ultimate##0: Formula: (and (= v_T4Thread1of1ForFork2_thidvar1_2 4) (= v_T4Thread1of1ForFork2_thidvar2_2 4) (= v_T4Thread1of1ForFork2_thidvar3_2 4) (= v_T4Thread1of1ForFork2_thidvar0_2 4)) InVars {} OutVars{T4Thread1of1ForFork2_thidvar2=v_T4Thread1of1ForFork2_thidvar2_2, T4Thread1of1ForFork2_thidvar1=v_T4Thread1of1ForFork2_thidvar1_2, T4Thread1of1ForFork2_thidvar3=v_T4Thread1of1ForFork2_thidvar3_2, T4Thread1of1ForFork2_thidvar0=v_T4Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[T4Thread1of1ForFork2_thidvar2, T4Thread1of1ForFork2_thidvar1, T4Thread1of1ForFork2_thidvar3, T4Thread1of1ForFork2_thidvar0]" "[74] $Ultimate##0-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k]" [2025-04-26 16:21:43,533 INFO L754 eck$LassoCheckResult]: Loop: "[76] L54-2-->L52: Formula: (< v_k_3 v_N_2) InVars {k=v_k_3, N=v_N_2} OutVars{k=v_k_3, N=v_N_2} AuxVars[] AssignedVars[]" "[78] L52-->L53: Formula: (= (+ v_y_2 (select v_A_1 v_k_4)) v_y_1) InVars {A=v_A_1, y=v_y_2, k=v_k_4} OutVars{A=v_A_1, y=v_y_1, k=v_k_4} AuxVars[] AssignedVars[y]" "[79] L53-->L54: Formula: (= (+ v_k_6 1) v_k_5) InVars {k=v_k_6} OutVars{k=v_k_5} AuxVars[] AssignedVars[k]" "[81] L54-->L54-2: Formula: (<= v_N_4 v_k_11) InVars {k=v_k_11, N=v_N_4} OutVars{k=v_k_11, N=v_N_4} AuxVars[] AssignedVars[]" [2025-04-26 16:21:43,534 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:43,534 INFO L85 PathProgramCache]: Analyzing trace with hash 656144688, now seen corresponding path program 1 times [2025-04-26 16:21:43,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:43,534 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662573234] [2025-04-26 16:21:43,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:43,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:43,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:21:43,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:21:43,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:43,539 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:43,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:21:43,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:21:43,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:43,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:43,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:43,545 INFO L85 PathProgramCache]: Analyzing trace with hash 3265125, now seen corresponding path program 1 times [2025-04-26 16:21:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:43,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991506682] [2025-04-26 16:21:43,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:43,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:43,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:43,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:43,550 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:43,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:43,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:43,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:43,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:43,554 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:43,554 INFO L85 PathProgramCache]: Analyzing trace with hash -650142700, now seen corresponding path program 1 times [2025-04-26 16:21:43,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:43,554 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763848124] [2025-04-26 16:21:43,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:43,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-26 16:21:43,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-26 16:21:43,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:43,560 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:43,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-26 16:21:43,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-26 16:21:43,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:43,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:43,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:43,680 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:21:43,680 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:21:43,680 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:21:43,680 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:21:43,680 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:21:43,680 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,680 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:21:43,680 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:21:43,680 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:21:43,680 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:21:43,680 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:21:43,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:43,832 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:21:43,832 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:21:43,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 16:21:43,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,850 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,850 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,856 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-04-26 16:21:43,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 16:21:43,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,879 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,879 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,884 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,890 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 [2025-04-26 16:21:43,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 16:21:43,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,908 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,908 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,911 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:43,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 16:21:43,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,934 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,934 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,936 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:43,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 16:21:43,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,959 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,959 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,962 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,967 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 [2025-04-26 16:21:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,970 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 16:21:43,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:43,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:43,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:43,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:43,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:43,984 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:43,984 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:43,987 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:43,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-04-26 16:21:43,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:43,995 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:43,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 16:21:43,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:44,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:44,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:44,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:44,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:44,009 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:44,009 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:44,012 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:44,017 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 [2025-04-26 16:21:44,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:44,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:44,020 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:44,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 16:21:44,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:44,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:44,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:44,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:44,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:44,035 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:44,035 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:44,037 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:44,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:44,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:44,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:44,046 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:44,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 16:21:44,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:44,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:44,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:44,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:44,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:44,059 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:44,060 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:44,062 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:44,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-04-26 16:21:44,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:44,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:44,071 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:44,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-04-26 16:21:44,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:44,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:44,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:44,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:44,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:44,085 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:44,085 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:44,088 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:44,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:44,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:44,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:44,096 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:44,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-04-26 16:21:44,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:44,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:44,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:44,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:44,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:44,110 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:44,110 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:44,113 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:44,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-04-26 16:21:44,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:44,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:44,120 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:44,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-04-26 16:21:44,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:21:44,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:44,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:44,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:44,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:44,135 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:44,136 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:44,140 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:21:44,148 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:21:44,148 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 16:21:44,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:44,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:44,150 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:21:44,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-04-26 16:21:44,153 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:21:44,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:44,171 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:21:44,171 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:21:44,171 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2025-04-26 16:21:44,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-04-26 16:21:44,178 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:21:44,191 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:44,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:21:44,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:21:44,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:44,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:44,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:21:44,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:44,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:44,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:44,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:44,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:44,215 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:21:44,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:21:44,256 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-04-26 16:21:44,256 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 123 states and 411 transitions. cyclomatic complexity: 307 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (in total 11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:44,303 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 123 states and 411 transitions. cyclomatic complexity: 307. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (in total 11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 304 states and 1003 transitions. Complement of second has 6 states. [2025-04-26 16:21:44,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:21:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (in total 11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2025-04-26 16:21:44,305 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 7 letters. Loop has 4 letters. [2025-04-26 16:21:44,305 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:44,305 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 11 letters. Loop has 4 letters. [2025-04-26 16:21:44,305 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:44,305 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 7 letters. Loop has 8 letters. [2025-04-26 16:21:44,305 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:44,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 304 states and 1003 transitions. [2025-04-26 16:21:44,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:21:44,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 304 states to 0 states and 0 transitions. [2025-04-26 16:21:44,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:21:44,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:21:44,310 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:21:44,310 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:21:44,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:21:44,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:21:44,310 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:21:44,311 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:21:44,311 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:21:44,311 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:21:44,311 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:21:44,316 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:21:44 BoogieIcfgContainer [2025-04-26 16:21:44,316 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:21:44,316 INFO L158 Benchmark]: Toolchain (without parser) took 1934.86ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 85.7MB in the beginning and 42.3MB in the end (delta: 43.4MB). Peak memory consumption was 43.2MB. Max. memory is 8.0GB. [2025-04-26 16:21:44,317 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:21:44,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.63ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:21:44,317 INFO L158 Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 159.4MB. Free memory was 83.8MB in the beginning and 82.9MB in the end (delta: 908.9kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:21:44,317 INFO L158 Benchmark]: RCFGBuilder took 170.57ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 72.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:21:44,317 INFO L158 Benchmark]: BuchiAutomizer took 1700.84ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 72.7MB in the beginning and 42.3MB in the end (delta: 30.4MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2025-04-26 16:21:44,322 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 0.19ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.63ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.99ms. Allocated memory is still 159.4MB. Free memory was 83.8MB in the beginning and 82.9MB in the end (delta: 908.9kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 170.57ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 72.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1700.84ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 72.7MB in the beginning and 42.3MB in the end (delta: 30.4MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 22 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital47 mio100 ax100 hnf100 lsp59 ukn92 mio100 lsp63 div100 bol100 ite100 ukn100 eq165 hnf96 smp90 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:21:44,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...