/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/map-aggr-update1-4modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:21:06,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:21:06,317 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:21:06,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:21:06,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:21:06,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:21:06,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:21:06,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:21:06,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:21:06,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:21:06,344 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:21:06,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:21:06,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:21:06,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:21:06,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:21:06,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:21:06,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:21:06,346 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:21:06,346 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:21:06,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:21:06,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:21:06,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:21:06,585 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:21:06,585 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:21:06,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl [2025-04-26 16:21:06,588 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl' [2025-04-26 16:21:06,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:21:06,603 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:21:06,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:21:06,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:21:06,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:21:06,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,627 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:21:06,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:21:06,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:21:06,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:21:06,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:21:06,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,635 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:21:06,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:21:06,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:21:06,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:21:06,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/1) ... [2025-04-26 16:21:06,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:06,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:06,671 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 16:21:06,673 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 16:21:06,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:21:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:21:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:21:06,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:21:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:21:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:21:06,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 16:21:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 16:21:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 16:21:06,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:21:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:21:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:21:06,700 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 16:21:06,736 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:21:06,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:21:06,844 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:21:06,844 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:21:06,855 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:21:06,855 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:21:06,856 INFO L201 PluginConnector]: Adding new model map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:21:06 BoogieIcfgContainer [2025-04-26 16:21:06,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:21:06,857 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:21:06,857 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:21:06,861 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:21:06,862 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:21:06,862 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:21:06" (1/2) ... [2025-04-26 16:21:06,863 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62bf0472 and model type map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:21:06, skipping insertion in model container [2025-04-26 16:21:06,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:21:06,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:21:06" (2/2) ... [2025-04-26 16:21:06,864 INFO L376 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-4modifiers.bpl [2025-04-26 16:21:06,959 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2025-04-26 16:21:06,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 70 transitions, 182 flow [2025-04-26 16:21:07,040 INFO L116 PetriNetUnfolderBase]: 8/58 cut-off events. [2025-04-26 16:21:07,043 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-26 16:21:07,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 166 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2025-04-26 16:21:07,048 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 70 transitions, 182 flow [2025-04-26 16:21:07,055 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 58 transitions, 152 flow [2025-04-26 16:21:07,055 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 69 places, 58 transitions, 152 flow [2025-04-26 16:21:07,064 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:21:07,064 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:21:07,064 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:21:07,065 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:21:07,065 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:21:07,065 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:21:07,065 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:21:07,065 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:21:07,066 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:21:15,020 INFO L131 ngComponentsAnalysis]: Automaton has 6545 accepting balls. 105921 [2025-04-26 16:21:15,020 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:15,020 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:15,026 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:21:15,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:21:15,026 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:21:15,026 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 107825 states, but on-demand construction may add more states [2025-04-26 16:21:17,870 INFO L131 ngComponentsAnalysis]: Automaton has 6545 accepting balls. 105921 [2025-04-26 16:21:17,870 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:17,870 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:17,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:21:17,873 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:21:17,877 INFO L752 eck$LassoCheckResult]: Stem: "[94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[]" "[153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i]" "[100] $Ultimate##0-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i]" [2025-04-26 16:21:17,878 INFO L754 eck$LassoCheckResult]: Loop: "[102] L57-1-->L58: Formula: (< v_thread1Thread1of1ForFork3_i_5 v_N_1) InVars {thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_5, N=v_N_1} AuxVars[] AssignedVars[]" "[104] L58-->L59: Formula: (= (store v_A_2 v_thread1Thread1of1ForFork3_i_7 (let ((.cse0 (select v_A_2 v_thread1Thread1of1ForFork3_i_7))) (ite (< .cse0 0) 0 .cse0))) v_A_1) InVars {A=v_A_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_7} AuxVars[] AssignedVars[A]" "[105] L59-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_10 (+ v_thread1Thread1of1ForFork3_i_9 1)) InVars {thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_9} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i]" [2025-04-26 16:21:17,881 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:17,881 INFO L85 PathProgramCache]: Analyzing trace with hash 124968, now seen corresponding path program 1 times [2025-04-26 16:21:17,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:17,886 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169324258] [2025-04-26 16:21:17,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:17,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:17,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:17,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:17,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:17,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:17,936 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:17,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:17,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:17,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:17,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:17,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:17,954 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:17,954 INFO L85 PathProgramCache]: Analyzing trace with hash 131142, now seen corresponding path program 1 times [2025-04-26 16:21:17,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:17,954 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660634326] [2025-04-26 16:21:17,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:17,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:17,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:17,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:17,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:17,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:17,969 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:17,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:17,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:17,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:17,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:17,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:17,980 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:17,981 INFO L85 PathProgramCache]: Analyzing trace with hash -571944257, now seen corresponding path program 1 times [2025-04-26 16:21:17,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:17,981 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565142640] [2025-04-26 16:21:17,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:17,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:21:17,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:21:17,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:17,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:17,992 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:17,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:21:17,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:21:17,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:17,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:17,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:18,095 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:21:18,096 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:21:18,096 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:21:18,096 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:21:18,096 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:21:18,096 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:18,097 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:21:18,097 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:21:18,097 INFO L132 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:21:18,097 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:21:18,097 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:21:18,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:18,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:18,183 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:21:18,296 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:21:18,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:18,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:18,310 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 16:21:18,311 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 16:21:18,313 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 16:21:18,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:18,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:18,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:18,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:18,351 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:18,352 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:18,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:21:18,408 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 16:21:18,408 INFO L437 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-04-26 16:21:18,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:18,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:18,411 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 16:21:18,419 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 16:21:18,420 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:21:18,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:18,459 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:21:18,460 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:21:18,460 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork3_i, N) = -1*thread1Thread1of1ForFork3_i + 1*N Supporting invariants [] [2025-04-26 16:21:18,472 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 16:21:18,475 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:21:18,511 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:18,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:18,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:18,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:18,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:18,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:21:18,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:18,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:21:18,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:21:18,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:18,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:18,555 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:21:18,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:21:18,636 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 16:21:18,639 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 107825 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 16:21:25,467 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 107825 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 277848 states and 1964065 transitions. Complement of second has 6 states. [2025-04-26 16:21:25,468 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 16:21:25,471 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 16:21:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2025-04-26 16:21:25,476 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 183 transitions. Stem has 3 letters. Loop has 3 letters. [2025-04-26 16:21:25,477 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:25,477 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 183 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 16:21:25,477 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:25,477 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 183 transitions. Stem has 3 letters. Loop has 6 letters. [2025-04-26 16:21:25,477 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:21:25,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277848 states and 1964065 transitions. [2025-04-26 16:21:33,620 INFO L131 ngComponentsAnalysis]: Automaton has 8502 accepting balls. 104466 [2025-04-26 16:21:39,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277848 states to 231714 states and 1649880 transitions. [2025-04-26 16:21:39,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123083 [2025-04-26 16:21:40,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169639 [2025-04-26 16:21:40,727 INFO L74 IsDeterministic]: Start isDeterministic. Operand 231714 states and 1649880 transitions. [2025-04-26 16:21:40,728 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:21:40,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231714 states and 1649880 transitions. [2025-04-26 16:21:41,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231714 states and 1649880 transitions. [2025-04-26 16:21:52,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231714 to 185161. [2025-04-26 16:21:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185161 states, 185161 states have (on average 7.276057053051129) internal successors, (in total 1347242), 185160 states have internal predecessors, (1347242), 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 16:21:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185161 states to 185161 states and 1347242 transitions. [2025-04-26 16:21:55,094 INFO L240 hiAutomatonCegarLoop]: Abstraction has 185161 states and 1347242 transitions. [2025-04-26 16:21:55,094 INFO L438 stractBuchiCegarLoop]: Abstraction has 185161 states and 1347242 transitions. [2025-04-26 16:21:55,094 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:21:55,094 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185161 states and 1347242 transitions. [2025-04-26 16:21:57,922 INFO L131 ngComponentsAnalysis]: Automaton has 8502 accepting balls. 104466 [2025-04-26 16:21:57,923 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:21:57,923 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:21:57,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 16:21:57,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:21:57,928 INFO L752 eck$LassoCheckResult]: Stem: "[94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[]" "[153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i]" "[156] L34-1-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1]" "[106] $Ultimate##0-->L70: Formula: (= v_thread2Thread1of1ForFork4_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt]" "[107] L70-->L71-1: Formula: (= v_thread2Thread1of1ForFork4_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_j]" [2025-04-26 16:21:57,928 INFO L754 eck$LassoCheckResult]: Loop: "[109] L71-1-->L72: Formula: (< v_thread2Thread1of1ForFork4_j_5 v_N_4) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_5, N=v_N_4} AuxVars[] AssignedVars[]" "[112] L72-->L72-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork4_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_9} AuxVars[] AssignedVars[]" "[115] L72-2-->L75-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork4_j_13) 0) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_13, B=v_B_2} AuxVars[] AssignedVars[]" "[117] L75-1-->L71-1: Formula: (= v_thread2Thread1of1ForFork4_j_16 (+ v_thread2Thread1of1ForFork4_j_15 1)) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_15} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_j]" [2025-04-26 16:21:57,929 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:57,929 INFO L85 PathProgramCache]: Analyzing trace with hash 120151457, now seen corresponding path program 1 times [2025-04-26 16:21:57,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:57,929 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820201025] [2025-04-26 16:21:57,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:57,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:57,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:21:57,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:21:57,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:57,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:57,933 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:57,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:21:57,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:21:57,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:57,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:57,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:57,937 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:57,937 INFO L85 PathProgramCache]: Analyzing trace with hash 4282054, now seen corresponding path program 1 times [2025-04-26 16:21:57,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:57,938 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362667173] [2025-04-26 16:21:57,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:57,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:57,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:57,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:57,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:57,941 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:57,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:57,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:57,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:57,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:57,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:57,944 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:57,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1916986470, now seen corresponding path program 1 times [2025-04-26 16:21:57,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:21:57,944 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474017373] [2025-04-26 16:21:57,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:21:57,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:21:57,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:21:57,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:21:57,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:57,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:57,949 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:21:57,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:21:57,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:21:57,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:57,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:21:57,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:21:58,026 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:21:58,026 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:21:58,026 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:21:58,026 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:21:58,026 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:21:58,026 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,026 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:21:58,026 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:21:58,026 INFO L132 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:21:58,026 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:21:58,026 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:21:58,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:58,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:58,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:58,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:58,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:58,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:21:58,114 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:21:58,114 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:21:58,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,117 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 16:21:58,119 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 16:21:58,121 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 16:21:58,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,134 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:58,134 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:58,137 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:58,143 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 16:21:58,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,146 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 16:21:58,146 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 16:21:58,148 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 16:21:58,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,160 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:58,160 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:58,163 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:58,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 16:21:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,171 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 16:21:58,171 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 16:21:58,174 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 16:21:58,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:21:58,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,185 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:21:58,185 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:21:58,186 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:58,192 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 16:21:58,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,194 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 16:21:58,196 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 16:21:58,198 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 16:21:58,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,211 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:58,211 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:58,214 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:58,220 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 16:21:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,222 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 16:21:58,224 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 16:21:58,225 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 16:21:58,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:21:58,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,236 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:21:58,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:21:58,237 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:58,242 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 16:21:58,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,244 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 16:21:58,245 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 16:21:58,245 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 16:21:58,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:21:58,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,256 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:21:58,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:21:58,257 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:21:58,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-04-26 16:21:58,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,264 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 16:21:58,265 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 16:21:58,266 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 16:21:58,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:21:58,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:21:58,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:21:58,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:21:58,278 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:21:58,278 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:21:58,283 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:21:58,294 INFO L436 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-04-26 16:21:58,294 INFO L437 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-04-26 16:21:58,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:21:58,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:21:58,297 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 16:21:58,299 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 16:21:58,300 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:21:58,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-04-26 16:21:58,315 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:21:58,315 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:21:58,315 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork4_j, N) = -1*thread2Thread1of1ForFork4_j + 1*N Supporting invariants [] [2025-04-26 16:21:58,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 16:21:58,322 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:21:58,334 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:21:58,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:21:58,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:21:58,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:58,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:58,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:21:58,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:58,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:21:58,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:21:58,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:21:58,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:21:58,352 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:21:58,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:21:58,380 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 16:21:58,381 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 16:21:58,382 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 185161 states and 1347242 transitions. cyclomatic complexity: 1172257 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 16:22:08,039 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 185161 states and 1347242 transitions. cyclomatic complexity: 1172257. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 499755 states and 3819488 transitions. Complement of second has 6 states. [2025-04-26 16:22:08,039 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 16:22:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 16:22:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 161 transitions. [2025-04-26 16:22:08,040 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 161 transitions. Stem has 5 letters. Loop has 4 letters. [2025-04-26 16:22:08,040 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:08,040 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 161 transitions. Stem has 9 letters. Loop has 4 letters. [2025-04-26 16:22:08,040 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:08,040 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 161 transitions. Stem has 5 letters. Loop has 8 letters. [2025-04-26 16:22:08,041 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:08,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 499755 states and 3819488 transitions.