/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_diff_incr_decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:21:46,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:21:46,292 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:21:46,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:21:46,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:21:46,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:21:46,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:21:46,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:21:46,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:21:46,317 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:21:46,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:21:46,317 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:21:46,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:21:46,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:21:46,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:21:46,319 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:21:46,319 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:21:46,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:21:46,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:21:46,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:21:46,567 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:21:46,569 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:21:46,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl [2025-04-26 16:21:46,572 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl' [2025-04-26 16:21:46,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:21:46,590 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:21:46,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:21:46,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:21:46,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:21:46,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,626 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:21:46,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:21:46,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:21:46,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:21:46,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:21:46,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,638 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:21:46,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:21:46,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:21:46,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:21:46,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/1) ... [2025-04-26 16:21:46,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:46,682 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 16:21:46,686 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 16:21:46,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:21:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:21:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:21:46,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2025-04-26 16:21:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2025-04-26 16:21:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2025-04-26 16:21:46,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2025-04-26 16:21:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2025-04-26 16:21:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2025-04-26 16:21:46,704 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 16:21:46,737 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:21:46,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:21:46,816 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:21:46,816 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:21:46,826 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:21:46,826 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:21:46,827 INFO L201 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:21:46 BoogieIcfgContainer [2025-04-26 16:21:46,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:21:46,828 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:21:46,828 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:21:46,833 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:21:46,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:21:46,833 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:46" (1/2) ... [2025-04-26 16:21:46,835 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@758fc3e1 and model type sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:21:46, skipping insertion in model container [2025-04-26 16:21:46,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:21:46,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:21:46" (2/2) ... [2025-04-26 16:21:46,836 INFO L376 chiAutomizerObserver]: Analyzing ICFG sum_diff_incr_decr.bpl [2025-04-26 16:21:46,882 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 16:21:46,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 64 flow [2025-04-26 16:21:46,942 INFO L116 PetriNetUnfolderBase]: 2/21 cut-off events. [2025-04-26 16:21:46,943 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 16:21:46,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2025-04-26 16:21:46,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 64 flow [2025-04-26 16:21:46,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 21 transitions, 54 flow [2025-04-26 16:21:46,951 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 26 places, 21 transitions, 54 flow [2025-04-26 16:21:46,960 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:21:46,960 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:21:46,960 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:21:46,960 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:21:46,960 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:21:46,960 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:21:46,960 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:21:46,960 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:21:46,962 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:21:46,996 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 40 [2025-04-26 16:21:46,997 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:46,997 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:47,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:21:47,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:21:47,000 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:21:47,000 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 60 states, but on-demand construction may add more states [2025-04-26 16:21:47,003 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 40 [2025-04-26 16:21:47,004 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:47,004 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:47,004 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:21:47,004 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:21:47,010 INFO L752 eck$LassoCheckResult]: Stem: "[42] $Ultimate##0-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[]" "[67] L45-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0]" "[52] $Ultimate##0-->L16-1: Formula: (= v_T1Thread1of1ForFork0_i_1 0) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i]" [2025-04-26 16:21:47,011 INFO L754 eck$LassoCheckResult]: Loop: "[54] L16-1-->L17: Formula: (< v_T1Thread1of1ForFork0_i_5 v_N_3) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} AuxVars[] AssignedVars[]" "[56] L17-->L17-1: Formula: (and (= v_A_7 (store v_A_8 v_T1Thread1of1ForFork0_i_7 (+ (select v_A_8 v_T1Thread1of1ForFork0_i_7) 1))) (= (store v_B_8 v_T1Thread1of1ForFork0_i_7 (+ (- 1) (select v_B_8 v_T1Thread1of1ForFork0_i_7))) v_B_7)) InVars {A=v_A_8, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_8} OutVars{A=v_A_7, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_7} AuxVars[] AssignedVars[A, B]" "[57] L17-1-->L16-1: Formula: (= (+ v_T1Thread1of1ForFork0_i_9 1) v_T1Thread1of1ForFork0_i_10) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_9} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_10} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i]" [2025-04-26 16:21:47,016 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,017 INFO L85 PathProgramCache]: Analyzing trace with hash 72282, now seen corresponding path program 1 times [2025-04-26 16:21:47,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:47,024 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182171629] [2025-04-26 16:21:47,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:47,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:47,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:47,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:47,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,083 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:47,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:47,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:47,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:47,101 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash 83478, now seen corresponding path program 1 times [2025-04-26 16:21:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:47,102 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347992503] [2025-04-26 16:21:47,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:47,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:47,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:47,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:47,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,111 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:47,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:47,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:47,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:47,117 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2141560547, now seen corresponding path program 1 times [2025-04-26 16:21:47,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:47,117 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015369268] [2025-04-26 16:21:47,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:47,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:47,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:21:47,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:21:47,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,124 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:47,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:21:47,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:21:47,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:47,226 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:21:47,226 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:21:47,226 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:21:47,226 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:21:47,226 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:21:47,226 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,227 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:21:47,227 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:21:47,227 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:21:47,227 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:21:47,227 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:21:47,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,326 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:21:47,328 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:21:47,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:47,333 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 16:21:47,335 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 16:21:47,336 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 16:21:47,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:47,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:47,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:47,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:47,353 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:47,353 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:47,357 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:47,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:47,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:47,366 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 16:21:47,368 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 16:21:47,369 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 16:21:47,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:47,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:47,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:47,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:47,383 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:47,383 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:47,390 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:21:47,400 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 16:21:47,401 INFO L437 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-04-26 16:21:47,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:47,404 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 16:21:47,406 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 16:21:47,407 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:21:47,424 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 [2025-04-26 16:21:47,424 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:21:47,425 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:21:47,425 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(T1Thread1of1ForFork0_i, N) = -1*T1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2025-04-26 16:21:47,431 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 16:21:47,434 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:21:47,453 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:47,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:47,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:47,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:21:47,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:47,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:47,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:47,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:47,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:21:47,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:47,526 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 16:21:47,561 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:21:47,564 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 60 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 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 16:21:47,683 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 60 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 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 146 states and 342 transitions. Complement of second has 6 states. [2025-04-26 16:21:47,685 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 16:21:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 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 16:21:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2025-04-26 16:21:47,692 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 3 letters. Loop has 3 letters. [2025-04-26 16:21:47,692 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:47,692 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 16:21:47,692 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:47,693 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 3 letters. Loop has 6 letters. [2025-04-26 16:21:47,693 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:47,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 342 transitions. [2025-04-26 16:21:47,699 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 28 [2025-04-26 16:21:47,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 85 states and 201 transitions. [2025-04-26 16:21:47,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2025-04-26 16:21:47,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2025-04-26 16:21:47,705 INFO L74 IsDeterministic]: Start isDeterministic. Operand 85 states and 201 transitions. [2025-04-26 16:21:47,706 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:21:47,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 85 states and 201 transitions. [2025-04-26 16:21:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 201 transitions. [2025-04-26 16:21:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 71. [2025-04-26 16:21:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 2.380281690140845) internal successors, (in total 169), 70 states have internal predecessors, (169), 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 16:21:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 169 transitions. [2025-04-26 16:21:47,725 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71 states and 169 transitions. [2025-04-26 16:21:47,725 INFO L438 stractBuchiCegarLoop]: Abstraction has 71 states and 169 transitions. [2025-04-26 16:21:47,725 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:21:47,725 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 169 transitions. [2025-04-26 16:21:47,726 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 28 [2025-04-26 16:21:47,726 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:47,726 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:47,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:21:47,727 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:21:47,727 INFO L752 eck$LassoCheckResult]: Stem: "[42] $Ultimate##0-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[]" "[67] L45-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0]" "[70] L45-1-->$Ultimate##0: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j]" "[58] $Ultimate##0-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_1 0) InVars {} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j]" [2025-04-26 16:21:47,727 INFO L754 eck$LassoCheckResult]: Loop: "[60] L31-1-->L32: Formula: (< v_T2Thread1of1ForFork1_j_5 v_N_4) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[]" "[62] L32-->L33: Formula: (= (store v_C_4 v_T2Thread1of1ForFork1_j_7 (+ (select v_B_5 v_T2Thread1of1ForFork1_j_7) (select v_A_5 v_T2Thread1of1ForFork1_j_7))) v_C_3) InVars {A=v_A_5, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, C=v_C_4, B=v_B_5} OutVars{A=v_A_5, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, C=v_C_3, B=v_B_5} AuxVars[] AssignedVars[C]" "[63] L33-->L34: Formula: (= (store v_D_2 v_T2Thread1of1ForFork1_j_9 (+ (select v_A_6 v_T2Thread1of1ForFork1_j_9) (* (- 1) (select v_B_6 v_T2Thread1of1ForFork1_j_9)))) v_D_1) InVars {A=v_A_6, D=v_D_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_6} OutVars{A=v_A_6, D=v_D_1, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_6} AuxVars[] AssignedVars[D]" "[64] L34-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_12 (+ v_T2Thread1of1ForFork1_j_11 1)) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_11} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_12} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j]" [2025-04-26 16:21:47,728 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2241358, now seen corresponding path program 1 times [2025-04-26 16:21:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:47,728 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269082677] [2025-04-26 16:21:47,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:47,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:47,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:47,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,732 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:47,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:47,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:47,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:47,736 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2772580, now seen corresponding path program 1 times [2025-04-26 16:21:47,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:47,737 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615690672] [2025-04-26 16:21:47,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:47,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:47,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:47,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:47,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,746 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:47,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:47,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:47,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:47,755 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash -231206095, now seen corresponding path program 1 times [2025-04-26 16:21:47,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:47,755 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662515700] [2025-04-26 16:21:47,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:47,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:47,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:21:47,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:21:47,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,765 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:47,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:21:47,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:21:47,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:47,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:47,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:47,850 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:21:47,850 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:21:47,850 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:21:47,850 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:21:47,850 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:21:47,850 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,850 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:21:47,850 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:21:47,851 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:21:47,851 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:21:47,851 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:21:47,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:47,926 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:21:47,926 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:21:47,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:47,928 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 16:21:47,930 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 16:21:47,931 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 16:21:47,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:47,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:47,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:47,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:47,943 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:47,943 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:47,946 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:47,952 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 16:21:47,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:47,955 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 16:21:47,956 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 16:21:47,958 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 16:21:47,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:47,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:21:47,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:47,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:47,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:47,970 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:21:47,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:21:47,972 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:47,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:47,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:47,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:47,980 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 16:21:47,981 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 16:21:47,982 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 16:21:47,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:47,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:47,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:47,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:47,996 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:47,996 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:48,000 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:48,006 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 16:21:48,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:48,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:48,009 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 16:21:48,010 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 16:21:48,011 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 16:21:48,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:48,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:48,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:48,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:48,023 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:48,023 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:48,026 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:48,032 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 16:21:48,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:48,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:48,034 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 16:21:48,035 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 16:21:48,037 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 16:21:48,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:48,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:21:48,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:48,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:48,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:48,048 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:21:48,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:21:48,049 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:48,055 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 16:21:48,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:48,057 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 16:21:48,058 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 16:21:48,061 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 16:21:48,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:48,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:21:48,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:48,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:48,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:48,071 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:21:48,072 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:21:48,073 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:48,079 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 16:21:48,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:48,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:48,081 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 16:21:48,082 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 16:21:48,084 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 16:21:48,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:48,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:48,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:48,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:48,096 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:48,097 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:48,102 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:21:48,111 INFO L436 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-04-26 16:21:48,112 INFO L437 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-04-26 16:21:48,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:48,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:48,149 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 16:21:48,150 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 16:21:48,151 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:21:48,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 16:21:48,168 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:21:48,168 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:21:48,168 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(T2Thread1of1ForFork1_j, N) = -1*T2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2025-04-26 16:21:48,174 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 16:21:48,175 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:21:48,189 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:48,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:48,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:48,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:48,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:48,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:21:48,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:48,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:48,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:48,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:48,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:48,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:21:48,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:48,245 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 16:21:48,246 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:21:48,246 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 169 transitions. cyclomatic complexity: 108 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:48,282 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 169 transitions. cyclomatic complexity: 108. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 176 states and 434 transitions. Complement of second has 6 states. [2025-04-26 16:21:48,282 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 16:21:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:21:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2025-04-26 16:21:48,283 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 4 letters. Loop has 4 letters. [2025-04-26 16:21:48,283 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:48,283 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 8 letters. Loop has 4 letters. [2025-04-26 16:21:48,283 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:48,284 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 4 letters. Loop has 8 letters. [2025-04-26 16:21:48,284 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:48,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 434 transitions. [2025-04-26 16:21:48,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:21:48,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 0 states and 0 transitions. [2025-04-26 16:21:48,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:21:48,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:21:48,287 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:21:48,287 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:21:48,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:21:48,287 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:21:48,287 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:21:48,287 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:21:48,287 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:21:48,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:21:48,287 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:21:48,292 INFO L201 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:21:48 BoogieIcfgContainer [2025-04-26 16:21:48,292 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:21:48,292 INFO L158 Benchmark]: Toolchain (without parser) took 1702.07ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 85.0MB in the beginning and 70.1MB in the end (delta: 15.0MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2025-04-26 16:21:48,293 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.72ms. Allocated memory is still 159.4MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:21:48,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.57ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 83.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:21:48,293 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:21:48,293 INFO L158 Benchmark]: RCFGBuilder took 168.07ms. Allocated memory is still 159.4MB. Free memory was 82.1MB in the beginning and 72.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:21:48,293 INFO L158 Benchmark]: BuchiAutomizer took 1464.35ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 72.1MB in the beginning and 70.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:21:48,294 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 0.72ms. Allocated memory is still 159.4MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.57ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 83.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 168.07ms. Allocated memory is still 159.4MB. Free memory was 82.1MB in the beginning and 72.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1464.35ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 72.1MB in the beginning and 70.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 14 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, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 36 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital52 mio100 ax100 hnf100 lsp88 ukn50 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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 4 locations. One deterministic module has affine ranking function N + -1 * j 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 16:21:48,305 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...