/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:25:19,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:25:19,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:25:19,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:25:19,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:25:19,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:25:19,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:25:19,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:25:19,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:25:19,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:25:19,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:25:19,706 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:25:19,707 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:25:19,708 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:25:19,708 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:25:19,708 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:25:19,708 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:25:19,708 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:25:19,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:25:19,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:25:19,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:25:19,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:25:19,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:25:19,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:25:19,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:25:19,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:25:19,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:25:19,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:25:19,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:25:19,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:25:19,712 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:25:19,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:25:19,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:25:19,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:25:19,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:25:19,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:25:19,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:25:19,713 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:25:19,713 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:25:20,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:25:20,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:25:20,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:25:20,021 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:25:20,022 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:25:20,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl [2024-02-09 23:25:20,023 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl' [2024-02-09 23:25:20,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:25:20,046 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:25:20,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:25:20,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:25:20,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:25:20,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,118 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:25:20,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:25:20,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:25:20,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:25:20,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:25:20,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:25:20,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:25:20,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:25:20,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:25:20,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/1) ... [2024-02-09 23:25:20,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:20,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:20,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:20,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-02-09 23:25:20,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-09 23:25:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-09 23:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-09 23:25:20,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-09 23:25:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-09 23:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-09 23:25:20,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2024-02-09 23:25:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2024-02-09 23:25:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2024-02-09 23:25:20,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:25:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:25:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:25:20,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2024-02-09 23:25:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2024-02-09 23:25:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2024-02-09 23:25:20,213 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:25:20,257 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:25:20,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:25:20,341 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:25:20,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:25:20,346 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:25:20,347 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:25:20 BoogieIcfgContainer [2024-02-09 23:25:20,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:25:20,348 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:25:20,348 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:25:20,354 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:25:20,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:25:20,355 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:20" (1/2) ... [2024-02-09 23:25:20,368 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9f6e493 and model type sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:25:20, skipping insertion in model container [2024-02-09 23:25:20,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:25:20,368 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:25:20" (2/2) ... [2024-02-09 23:25:20,369 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs2.bpl [2024-02-09 23:25:20,427 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:25:20,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 102 flow [2024-02-09 23:25:20,464 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2024-02-09 23:25:20,465 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:25:20,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2024-02-09 23:25:20,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 40 transitions, 102 flow [2024-02-09 23:25:20,472 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 82 flow [2024-02-09 23:25:20,481 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:25:20,482 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:25:20,482 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:25:20,482 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:25:20,482 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:25:20,482 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:25:20,482 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:25:20,482 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:25:20,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:25:20,698 INFO L131 ngComponentsAnalysis]: Automaton has 296 accepting balls. 1296 [2024-02-09 23:25:20,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:20,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:20,703 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-02-09 23:25:20,703 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:25:20,704 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:25:20,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 1668 states, but on-demand construction may add more states [2024-02-09 23:25:20,726 INFO L131 ngComponentsAnalysis]: Automaton has 296 accepting balls. 1296 [2024-02-09 23:25:20,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:20,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:20,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-02-09 23:25:20,727 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:25:20,731 INFO L748 eck$LassoCheckResult]: Stem: 49#[$Ultimate##0]don't care [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]don't care [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]don't care [76] $Ultimate##0-->L22: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 62#[$Ultimate##0, L69, L22]don't care [77] L22-->L23-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 78#[L23-1, $Ultimate##0, L69]don't care [2024-02-09 23:25:20,732 INFO L750 eck$LassoCheckResult]: Loop: 78#[L23-1, $Ultimate##0, L69]don't care [79] L23-1-->L24: Formula: (< v_i1_2 v_N_1) InVars {i1=v_i1_2, N=v_N_1} OutVars{i1=v_i1_2, N=v_N_1} AuxVars[] AssignedVars[] 110#[$Ultimate##0, L69, L24]don't care [81] L24-->L25: Formula: (= (+ v_sum1_3 (let ((.cse0 (select v_A_1 v_i1_3))) (ite (< .cse0 0) (- .cse0) .cse0))) v_sum1_2) InVars {sum1=v_sum1_3, A=v_A_1, i1=v_i1_3} OutVars{sum1=v_sum1_2, A=v_A_1, i1=v_i1_3} AuxVars[] AssignedVars[sum1] 168#[$Ultimate##0, L69, L25]don't care [82] L25-->L23-1: Formula: (= v_i1_4 (+ v_i1_5 1)) InVars {i1=v_i1_5} OutVars{i1=v_i1_4} AuxVars[] AssignedVars[i1] 78#[L23-1, $Ultimate##0, L69]don't care [2024-02-09 23:25:20,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:20,737 INFO L85 PathProgramCache]: Analyzing trace with hash 4034789, now seen corresponding path program 1 times [2024-02-09 23:25:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:20,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53641714] [2024-02-09 23:25:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:20,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:20,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:20,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:20,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:20,817 INFO L85 PathProgramCache]: Analyzing trace with hash 108303, now seen corresponding path program 1 times [2024-02-09 23:25:20,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:20,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562894123] [2024-02-09 23:25:20,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:20,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:20,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:20,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:20,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:20,834 INFO L85 PathProgramCache]: Analyzing trace with hash -58606677, now seen corresponding path program 1 times [2024-02-09 23:25:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:20,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115249023] [2024-02-09 23:25:20,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:20,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:20,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:20,991 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:25:20,991 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:25:20,991 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:25:20,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:25:20,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:25:20,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:20,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:25:20,992 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:25:20,992 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:25:20,992 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:25:20,992 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:25:21,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:21,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:21,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:21,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:21,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:21,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:25:21,167 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:25:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:21,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:21,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:21,215 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 [2024-02-09 23:25:21,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:21,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:21,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-02-09 23:25:21,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:21,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:21,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:21,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:21,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:21,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:21,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:21,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:21,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:21,275 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 [2024-02-09 23:25:21,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:21,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:21,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:21,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:21,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:21,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:21,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-02-09 23:25:21,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:21,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:21,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:21,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:21,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:21,311 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 [2024-02-09 23:25:21,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:21,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:25:21,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:21,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:21,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:21,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:25:21,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:25:21,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-02-09 23:25:21,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:21,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:21,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:21,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:21,345 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 [2024-02-09 23:25:21,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:21,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:21,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:21,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:21,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:21,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:21,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-02-09 23:25:21,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:21,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:21,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:21,380 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:21,385 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 [2024-02-09 23:25:21,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:21,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:21,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:21,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:21,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-02-09 23:25:21,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:21,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:21,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:25:21,415 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:25:21,415 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:25:21,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:21,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:21,434 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:25:21,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-02-09 23:25:21,456 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:25:21,456 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:25:21,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2024-02-09 23:25:21,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:21,464 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:25:21,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:21,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:25:21,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:21,534 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:25:21,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:25:21,590 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 [2024-02-09 23:25:21,593 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 1668 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:21,762 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 1668 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3926 states and 16743 transitions. Complement of second has 6 states. [2024-02-09 23:25:21,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:25:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:21,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2024-02-09 23:25:21,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 4 letters. Loop has 3 letters. [2024-02-09 23:25:21,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:21,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 7 letters. Loop has 3 letters. [2024-02-09 23:25:21,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:21,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 4 letters. Loop has 6 letters. [2024-02-09 23:25:21,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:21,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3926 states and 16743 transitions. [2024-02-09 23:25:21,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:21,867 INFO L131 ngComponentsAnalysis]: Automaton has 300 accepting balls. 1092 [2024-02-09 23:25:21,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3926 states to 2974 states and 12758 transitions. [2024-02-09 23:25:21,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1688 [2024-02-09 23:25:21,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2239 [2024-02-09 23:25:21,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2974 states and 12758 transitions. [2024-02-09 23:25:21,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:25:21,917 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2974 states and 12758 transitions. [2024-02-09 23:25:21,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states and 12758 transitions. [2024-02-09 23:25:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2427. [2024-02-09 23:25:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 2427 states have (on average 4.340749896992172) internal successors, (10535), 2426 states have internal predecessors, (10535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 10535 transitions. [2024-02-09 23:25:22,075 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2427 states and 10535 transitions. [2024-02-09 23:25:22,075 INFO L428 stractBuchiCegarLoop]: Abstraction has 2427 states and 10535 transitions. [2024-02-09 23:25:22,075 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:25:22,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2427 states and 10535 transitions. [2024-02-09 23:25:22,090 INFO L131 ngComponentsAnalysis]: Automaton has 300 accepting balls. 1092 [2024-02-09 23:25:22,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:22,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:22,091 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:25:22,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:25:22,091 INFO L748 eck$LassoCheckResult]: Stem: 9597#[$Ultimate##0]don't care [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 9599#[$Ultimate##0, L68]don't care [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 8479#[$Ultimate##0, $Ultimate##0, L69]don't care [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 8483#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L70]don't care [83] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 12039#[$Ultimate##0, $Ultimate##0, L70, L34]don't care [84] L34-->L35-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 11227#[$Ultimate##0, $Ultimate##0, L35-1, L70]don't care [2024-02-09 23:25:22,092 INFO L750 eck$LassoCheckResult]: Loop: 11227#[$Ultimate##0, $Ultimate##0, L35-1, L70]don't care [86] L35-1-->L36: Formula: (< v_i2_1 v_N_3) InVars {i2=v_i2_1, N=v_N_3} OutVars{i2=v_i2_1, N=v_N_3} AuxVars[] AssignedVars[] 9267#[$Ultimate##0, $Ultimate##0, L36, L70]don't care [88] L36-->L37: Formula: (= (+ (let ((.cse0 (select v_A_2 v_i2_2))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_2) v_sum2_1) InVars {A=v_A_2, sum2=v_sum2_2, i2=v_i2_2} OutVars{A=v_A_2, sum2=v_sum2_1, i2=v_i2_2} AuxVars[] AssignedVars[sum2] 9269#[$Ultimate##0, $Ultimate##0, L70, L37]don't care [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 11227#[$Ultimate##0, $Ultimate##0, L35-1, L70]don't care [2024-02-09 23:25:22,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:22,093 INFO L85 PathProgramCache]: Analyzing trace with hash 125108520, now seen corresponding path program 1 times [2024-02-09 23:25:22,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:22,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259209843] [2024-02-09 23:25:22,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:22,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:22,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:22,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:22,112 INFO L85 PathProgramCache]: Analyzing trace with hash 115254, now seen corresponding path program 1 times [2024-02-09 23:25:22,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:22,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455193821] [2024-02-09 23:25:22,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:22,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:22,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:22,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:22,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:22,121 INFO L85 PathProgramCache]: Analyzing trace with hash -923608145, now seen corresponding path program 1 times [2024-02-09 23:25:22,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:22,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867831248] [2024-02-09 23:25:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:22,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:22,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:22,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:22,242 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:25:22,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:25:22,243 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:25:22,243 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:25:22,243 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:25:22,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:25:22,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:25:22,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:25:22,243 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:25:22,243 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:25:22,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:22,375 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:25:22,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:25:22,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:22,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:22,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-02-09 23:25:22,457 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 [2024-02-09 23:25:22,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:22,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:22,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:22,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:22,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:22,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:22,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:22,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:22,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:22,508 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:22,535 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 [2024-02-09 23:25:22,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:22,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:22,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:22,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:22,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:22,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:22,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-02-09 23:25:22,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:22,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:22,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:22,592 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:22,608 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 [2024-02-09 23:25:22,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:22,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:22,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:22,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:22,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:22,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:22,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-02-09 23:25:22,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:22,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:22,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:22,657 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:22,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-02-09 23:25:22,671 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 [2024-02-09 23:25:22,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:22,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:22,678 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:25:22,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:22,687 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 23:25:22,687 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:25:22,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:22,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:22,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:22,753 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:22,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-02-09 23:25:22,755 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 [2024-02-09 23:25:22,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:22,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:22,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:22,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:22,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:22,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:22,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:25:22,794 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-09 23:25:22,794 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:25:22,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:22,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:22,796 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:22,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:25:22,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-02-09 23:25:22,818 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:25:22,818 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:25:22,818 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2024-02-09 23:25:22,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:22,824 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:25:22,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:22,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:25:22,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:22,856 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:25:22,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:25:22,870 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 [2024-02-09 23:25:22,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2427 states and 10535 transitions. cyclomatic complexity: 8496 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:23,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-02-09 23:25:23,030 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2427 states and 10535 transitions. cyclomatic complexity: 8496. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6423 states and 30303 transitions. Complement of second has 6 states. [2024-02-09 23:25:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:25:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2024-02-09 23:25:23,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:25:23,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:23,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:25:23,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:23,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:25:23,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:23,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6423 states and 30303 transitions. [2024-02-09 23:25:23,101 INFO L131 ngComponentsAnalysis]: Automaton has 240 accepting balls. 720 [2024-02-09 23:25:23,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6423 states to 4199 states and 19780 transitions. [2024-02-09 23:25:23,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1660 [2024-02-09 23:25:23,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2126 [2024-02-09 23:25:23,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4199 states and 19780 transitions. [2024-02-09 23:25:23,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:25:23,154 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4199 states and 19780 transitions. [2024-02-09 23:25:23,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4199 states and 19780 transitions. [2024-02-09 23:25:23,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4199 to 3459. [2024-02-09 23:25:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 3459 states have (on average 4.713211910956924) internal successors, (16303), 3458 states have internal predecessors, (16303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 16303 transitions. [2024-02-09 23:25:23,330 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3459 states and 16303 transitions. [2024-02-09 23:25:23,330 INFO L428 stractBuchiCegarLoop]: Abstraction has 3459 states and 16303 transitions. [2024-02-09 23:25:23,330 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:25:23,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3459 states and 16303 transitions. [2024-02-09 23:25:23,367 INFO L131 ngComponentsAnalysis]: Automaton has 240 accepting balls. 720 [2024-02-09 23:25:23,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:23,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:23,368 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:25:23,368 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:25:23,369 INFO L748 eck$LassoCheckResult]: Stem: 20740#[$Ultimate##0]don't care [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 20742#[$Ultimate##0, L68]don't care [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 19718#[$Ultimate##0, $Ultimate##0, L69]don't care [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 19722#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L70]don't care [110] L70-->$Ultimate##0: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 20778#[L71, $Ultimate##0, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [93] $Ultimate##0-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 20784#[L71, L57-1, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [2024-02-09 23:25:23,369 INFO L750 eck$LassoCheckResult]: Loop: 20784#[L71, L57-1, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [95] L57-1-->L58: Formula: (< v_mapAbsThread1of1ForFork3_j_5 v_N_5) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} AuxVars[] AssignedVars[] 22028#[L71, $Ultimate##0, L58, $Ultimate##0, $Ultimate##0]don't care [97] L58-->L59: Formula: (= (store v_A_4 v_mapAbsThread1of1ForFork3_j_7 (let ((.cse0 (select v_A_4 v_mapAbsThread1of1ForFork3_j_7))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_3) InVars {A=v_A_4, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} OutVars{A=v_A_3, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} AuxVars[] AssignedVars[A] 23570#[L71, $Ultimate##0, $Ultimate##0, L59, $Ultimate##0]don't care [98] L59-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_10 (+ v_mapAbsThread1of1ForFork3_j_9 1)) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_9} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_10} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 20784#[L71, L57-1, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [2024-02-09 23:25:23,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash 125109366, now seen corresponding path program 1 times [2024-02-09 23:25:23,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:23,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981429180] [2024-02-09 23:25:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:23,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:23,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:23,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:23,394 INFO L85 PathProgramCache]: Analyzing trace with hash 124191, now seen corresponding path program 1 times [2024-02-09 23:25:23,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:23,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502345167] [2024-02-09 23:25:23,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:23,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:23,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:23,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:23,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:23,410 INFO L85 PathProgramCache]: Analyzing trace with hash -898396022, now seen corresponding path program 1 times [2024-02-09 23:25:23,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:23,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075968619] [2024-02-09 23:25:23,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:23,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:23,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:23,576 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:25:23,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:25:23,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:25:23,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:25:23,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:25:23,580 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:23,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:25:23,581 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:25:23,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:25:23,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:25:23,581 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:25:23,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:25:23,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:25:23,715 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:25:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:23,732 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:23,759 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 [2024-02-09 23:25:23,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-02-09 23:25:23,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:23,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:23,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:23,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:23,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:23,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:23,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:23,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:23,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:23,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:23,815 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:23,823 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 [2024-02-09 23:25:23,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:23,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:23,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:23,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:23,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:23,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:23,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-02-09 23:25:23,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:23,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:23,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:23,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:23,860 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:23,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-02-09 23:25:23,868 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 [2024-02-09 23:25:23,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:23,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:23,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:23,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:23,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:23,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:23,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:23,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:23,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:23,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:23,930 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:23,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-02-09 23:25:23,935 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 [2024-02-09 23:25:23,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:23,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:23,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:23,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:23,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:23,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:23,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:23,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:23,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:23,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:23,966 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:23,983 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 [2024-02-09 23:25:23,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:23,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:25:23,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:23,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:23,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:23,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:25:23,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:25:23,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-02-09 23:25:24,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:24,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,008 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:24,013 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 [2024-02-09 23:25:24,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:24,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:24,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-02-09 23:25:24,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:25:24,038 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:25:24,038 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:25:24,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,039 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:24,047 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:25:24,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-02-09 23:25:24,064 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:25:24,064 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:25:24,065 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mapAbsThread1of1ForFork3_j, N) = -1*mapAbsThread1of1ForFork3_j + 1*N Supporting invariants [] [2024-02-09 23:25:24,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:24,071 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:25:24,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:24,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:25:24,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:24,098 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:25:24,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:25:24,112 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 [2024-02-09 23:25:24,112 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3459 states and 16303 transitions. cyclomatic complexity: 13288 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:24,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3459 states and 16303 transitions. cyclomatic complexity: 13288. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9293 states and 44878 transitions. Complement of second has 6 states. [2024-02-09 23:25:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:25:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:25:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions. [2024-02-09 23:25:24,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:25:24,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:24,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:25:24,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:24,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:25:24,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:24,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9293 states and 44878 transitions. [2024-02-09 23:25:24,492 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:25:24,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9293 states to 0 states and 0 transitions. [2024-02-09 23:25:24,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:25:24,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:25:24,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:25:24,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:25:24,493 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:25:24,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:25:24,493 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:25:24,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:25:24,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:25:24,493 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:25:24,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:25:24,499 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:25:24 BoogieIcfgContainer [2024-02-09 23:25:24,499 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:25:24,499 INFO L158 Benchmark]: Toolchain (without parser) took 4452.93ms. Allocated memory was 169.9MB in the beginning and 492.8MB in the end (delta: 323.0MB). Free memory was 148.4MB in the beginning and 351.3MB in the end (delta: -202.9MB). Peak memory consumption was 119.7MB. Max. memory is 8.0GB. [2024-02-09 23:25:24,499 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:25:24,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.85ms. Allocated memory is still 169.9MB. Free memory was 148.4MB in the beginning and 149.0MB in the end (delta: -613.3kB). Peak memory consumption was 3.4MB. Max. memory is 8.0GB. [2024-02-09 23:25:24,500 INFO L158 Benchmark]: Boogie Preprocessor took 21.28ms. Allocated memory is still 169.9MB. Free memory was 149.0MB in the beginning and 147.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:25:24,500 INFO L158 Benchmark]: RCFGBuilder took 204.77ms. Allocated memory is still 169.9MB. Free memory was 147.9MB in the beginning and 137.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-09 23:25:24,501 INFO L158 Benchmark]: BuchiAutomizer took 4150.53ms. Allocated memory was 169.9MB in the beginning and 492.8MB in the end (delta: 323.0MB). Free memory was 137.6MB in the beginning and 351.3MB in the end (delta: -213.6MB). Peak memory consumption was 109.9MB. Max. memory is 8.0GB. [2024-02-09 23:25:24,502 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 0.09ms. Allocated memory is still 169.9MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.85ms. Allocated memory is still 169.9MB. Free memory was 148.4MB in the beginning and 149.0MB in the end (delta: -613.3kB). Peak memory consumption was 3.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.28ms. Allocated memory is still 169.9MB. Free memory was 149.0MB in the beginning and 147.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 204.77ms. Allocated memory is still 169.9MB. Free memory was 147.9MB in the beginning and 137.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 4150.53ms. Allocated memory was 169.9MB in the beginning and 492.8MB in the end (delta: 323.0MB). Free memory was 137.6MB in the beginning and 351.3MB in the end (delta: -213.6MB). Peak memory consumption was 109.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 1287 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 141 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf100 lsp114 ukn40 mio100 lsp75 div100 bol100 ite100 ukn100 eq168 hnf98 smp100 dnf146 smp70 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 70ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 23:25:24,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-02-09 23:25:24,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...