/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/map-aggr-update1-4modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:24:12,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:24:12,542 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 23:24:12,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:24:12,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:24:12,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:24:12,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:24:12,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:24:12,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:24:12,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:24:12,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:24:12,571 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:24:12,571 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:24:12,571 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:24:12,572 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:24:12,572 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:24:12,572 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:24:12,573 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:24:12,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:24:12,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:24:12,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:24:12,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:24:12,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:24:12,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:24:12,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:24:12,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:24:12,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:24:12,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:24:12,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:24:12,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:24:12,586 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:24:12,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:24:12,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:24:12,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:24:12,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:24:12,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:24:12,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:24:12,588 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:24:12,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:24:12,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:24:12,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:24:12,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:24:12,944 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:24:12,945 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:24:12,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl [2024-02-09 23:24:12,946 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl' [2024-02-09 23:24:12,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:24:12,972 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:24:12,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:12,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:24:12,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:24:12,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:12,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,025 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:24:13,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:13,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:24:13,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:24:13,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:24:13,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:24:13,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:24:13,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:24:13,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:24:13,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/1) ... [2024-02-09 23:24:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:13,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:13,101 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 23:24:13,126 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 23:24:13,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-09 23:24:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-09 23:24:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-09 23:24:13,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-09 23:24:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-09 23:24:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-09 23:24:13,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-09 23:24:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-09 23:24:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-09 23:24:13,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:24:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:24:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:24:13,161 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 23:24:13,205 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:24:13,207 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:24:13,308 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:24:13,317 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:24:13,317 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:24:13,318 INFO L201 PluginConnector]: Adding new model map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:13 BoogieIcfgContainer [2024-02-09 23:24:13,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:24:13,319 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:24:13,319 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:24:13,325 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:24:13,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:13,326 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:12" (1/2) ... [2024-02-09 23:24:13,328 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c34d989 and model type map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:24:13, skipping insertion in model container [2024-02-09 23:24:13,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:13,330 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:13" (2/2) ... [2024-02-09 23:24:13,332 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-4modifiers.bpl [2024-02-09 23:24:13,438 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-02-09 23:24:13,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 70 transitions, 182 flow [2024-02-09 23:24:13,499 INFO L124 PetriNetUnfolderBase]: 8/58 cut-off events. [2024-02-09 23:24:13,499 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-02-09 23:24:13,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 166 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-02-09 23:24:13,509 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 70 transitions, 182 flow [2024-02-09 23:24:13,514 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 58 transitions, 152 flow [2024-02-09 23:24:13,525 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:24:13,525 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:24:13,525 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:24:13,525 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:24:13,525 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:24:13,525 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:24:13,526 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:24:13,526 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:24:13,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:24:24,181 INFO L131 ngComponentsAnalysis]: Automaton has 6545 accepting balls. 105921 [2024-02-09 23:24:24,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:24,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:24,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:24,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:24,189 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:24:24,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 107825 states, but on-demand construction may add more states [2024-02-09 23:24:27,627 INFO L131 ngComponentsAnalysis]: Automaton has 6545 accepting balls. 105921 [2024-02-09 23:24:27,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:27,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:27,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:27,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:27,635 INFO L748 eck$LassoCheckResult]: Stem: 78#[$Ultimate##0]don't care [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]don't care [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[$Ultimate##0, L34-1]don't care [100] $Ultimate##0-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 85#[L57-1, L34-1]don't care [2024-02-09 23:24:27,636 INFO L750 eck$LassoCheckResult]: Loop: 85#[L57-1, L34-1]don't care [102] L57-1-->L58: Formula: (< v_thread1Thread1of1ForFork3_i_5 v_N_1) InVars {thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_5, N=v_N_1} AuxVars[] AssignedVars[] 91#[L58, L34-1]don't care [104] L58-->L59: Formula: (= (store v_A_2 v_thread1Thread1of1ForFork3_i_7 (let ((.cse0 (select v_A_2 v_thread1Thread1of1ForFork3_i_7))) (ite (< .cse0 0) 0 .cse0))) v_A_1) InVars {A=v_A_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_7} AuxVars[] AssignedVars[A] 103#[L59, L34-1]don't care [105] L59-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_10 (+ v_thread1Thread1of1ForFork3_i_9 1)) InVars {thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_9} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 85#[L57-1, L34-1]don't care [2024-02-09 23:24:27,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:27,642 INFO L85 PathProgramCache]: Analyzing trace with hash 124968, now seen corresponding path program 1 times [2024-02-09 23:24:27,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:27,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157539328] [2024-02-09 23:24:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:27,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:27,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:27,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:27,757 INFO L85 PathProgramCache]: Analyzing trace with hash 131142, now seen corresponding path program 1 times [2024-02-09 23:24:27,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:27,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488929057] [2024-02-09 23:24:27,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:27,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:27,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:27,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:27,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:27,782 INFO L85 PathProgramCache]: Analyzing trace with hash -571944257, now seen corresponding path program 1 times [2024-02-09 23:24:27,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:27,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395870651] [2024-02-09 23:24:27,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:27,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:27,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:27,981 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:27,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:27,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:27,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:27,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:27,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:27,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:27,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:27,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:24:27,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:27,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:28,002 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 23:24:28,053 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 23:24:28,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:28,111 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:28,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:28,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:28,118 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 23:24:28,120 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 23:24:28,127 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 23:24:28,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:28,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:28,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:28,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:28,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:28,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:28,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:28,188 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-02-09 23:24:28,188 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:24:28,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:28,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:28,193 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 23:24:28,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:28,208 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 23:24:28,221 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:28,222 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:28,222 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork3_i, N) = -1*thread1Thread1of1ForFork3_i + 1*N Supporting invariants [] [2024-02-09 23:24:28,233 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 23:24:28,236 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:28,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:28,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:28,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:28,287 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:28,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:28,315 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 23:24:28,353 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 23:24:28,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 107825 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:28,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-09 23:24:36,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 107825 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 277848 states and 1964065 transitions. Complement of second has 6 states. [2024-02-09 23:24:36,065 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 23:24:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2024-02-09 23:24:36,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 183 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-09 23:24:36,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:36,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 183 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-09 23:24:36,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:36,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 183 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-09 23:24:36,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:36,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277848 states and 1964065 transitions. [2024-02-09 23:24:46,583 INFO L131 ngComponentsAnalysis]: Automaton has 8502 accepting balls. 104466 [2024-02-09 23:24:54,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277848 states to 231714 states and 1649880 transitions. [2024-02-09 23:24:54,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123083 [2024-02-09 23:24:56,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169639 [2024-02-09 23:24:56,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231714 states and 1649880 transitions. [2024-02-09 23:24:56,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:56,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231714 states and 1649880 transitions. [2024-02-09 23:24:56,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231714 states and 1649880 transitions. [2024-02-09 23:25:13,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231714 to 185161. [2024-02-09 23:25:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185161 states, 185161 states have (on average 7.276057053051129) internal successors, (1347242), 185160 states have internal predecessors, (1347242), 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 23:25:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185161 states to 185161 states and 1347242 transitions. [2024-02-09 23:25:19,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 185161 states and 1347242 transitions. [2024-02-09 23:25:19,245 INFO L428 stractBuchiCegarLoop]: Abstraction has 185161 states and 1347242 transitions. [2024-02-09 23:25:19,246 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:25:19,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185161 states and 1347242 transitions. [2024-02-09 23:25:24,520 INFO L131 ngComponentsAnalysis]: Automaton has 8502 accepting balls. 104466 [2024-02-09 23:25:24,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:24,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:24,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:25:24,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:25:24,524 INFO L748 eck$LassoCheckResult]: Stem: 833923#[$Ultimate##0]don't care [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 635359#[L34]don't care [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 635361#[$Ultimate##0, L34-1]don't care [156] L34-1-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 847017#[$Ultimate##0, L35, $Ultimate##0]don't care [106] $Ultimate##0-->L70: Formula: (= v_thread2Thread1of1ForFork4_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt] 805831#[$Ultimate##0, L35, L70]don't care [107] L70-->L71-1: Formula: (= v_thread2Thread1of1ForFork4_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_j] 655123#[$Ultimate##0, L35, L71-1]don't care [2024-02-09 23:25:24,524 INFO L750 eck$LassoCheckResult]: Loop: 655123#[$Ultimate##0, L35, L71-1]don't care [109] L71-1-->L72: Formula: (< v_thread2Thread1of1ForFork4_j_5 v_N_4) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_5, N=v_N_4} AuxVars[] AssignedVars[] 655129#[$Ultimate##0, L35, L72]don't care [112] L72-->L72-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork4_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_9} AuxVars[] AssignedVars[] 840813#[$Ultimate##0, L35, L72-2]don't care [115] L72-2-->L75-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork4_j_13) 0) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_13, B=v_B_2} AuxVars[] AssignedVars[] 811329#[$Ultimate##0, L35, L75-1]don't care [117] L75-1-->L71-1: Formula: (= v_thread2Thread1of1ForFork4_j_16 (+ v_thread2Thread1of1ForFork4_j_15 1)) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_15} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_j] 655123#[$Ultimate##0, L35, L71-1]don't care [2024-02-09 23:25:24,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:24,525 INFO L85 PathProgramCache]: Analyzing trace with hash 120151457, now seen corresponding path program 1 times [2024-02-09 23:25:24,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:24,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608648135] [2024-02-09 23:25:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:24,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:24,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:24,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:24,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:24,537 INFO L85 PathProgramCache]: Analyzing trace with hash 4282054, now seen corresponding path program 1 times [2024-02-09 23:25:24,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:24,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611627596] [2024-02-09 23:25:24,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:24,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:24,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:24,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:24,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1916986470, now seen corresponding path program 1 times [2024-02-09 23:25:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:24,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284850103] [2024-02-09 23:25:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:24,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:24,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:24,635 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:25:24,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:25:24,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:25:24,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:25:24,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:25:24,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:25:24,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:25:24,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:25:24,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:25:24,636 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:25:24,638 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 23:25:24,640 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 23:25:24,643 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 23:25:24,646 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 23:25:24,648 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 23:25:24,662 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 23:25:24,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:25:24,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:25:24,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,732 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 23:25:24,737 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 23:25:24,753 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 23:25:24,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:24,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:24,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,788 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 23:25:24,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,789 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 23:25:24,792 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 23:25:24,797 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 23:25:24,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:24,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:24,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,829 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 23:25:24,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,831 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 23:25:24,841 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 23:25:24,841 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 23:25:24,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:25:24,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:25:24,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:25:24,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,871 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 23:25:24,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,873 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 23:25:24,879 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 23:25:24,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:24,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:24,899 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 23:25:24,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,920 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 23:25:24,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,922 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 23:25:24,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:25:24,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:25:24,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:25:24,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:25:24,940 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 23:25:24,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-02-09 23:25:24,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,946 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 23:25:24,950 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 23:25:24,950 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 23:25:24,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:25:24,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:24,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:25:24,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:25:24,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:25:24,974 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 23:25:24,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:24,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:24,975 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 23:25:24,985 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 23:25:24,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:25:24,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:25:24,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:25:24,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:25:25,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:25:25,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:25:25,016 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 23:25:25,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:25:25,025 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-09 23:25:25,025 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-09 23:25:25,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:25,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:25,027 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 23:25:25,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:25:25,040 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 23:25:25,051 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:25:25,052 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:25:25,052 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork4_j, N) = -1*thread2Thread1of1ForFork4_j + 1*N Supporting invariants [] [2024-02-09 23:25:25,056 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 23:25:25,057 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:25:25,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:25,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:25:25,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:25:25,098 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:25:25,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:25:25,124 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 23:25:25,125 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 23:25:25,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 185161 states and 1347242 transitions. cyclomatic complexity: 1172257 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 23:25:25,969 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 23:25:40,677 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 185161 states and 1347242 transitions. cyclomatic complexity: 1172257. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 499755 states and 3819488 transitions. Complement of second has 6 states. [2024-02-09 23:25:40,678 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 23:25:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 23:25:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 161 transitions. [2024-02-09 23:25:40,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 161 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-09 23:25:40,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:40,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 161 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 23:25:40,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:40,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 161 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-09 23:25:40,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:40,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 499755 states and 3819488 transitions. [2024-02-09 23:26:05,331 INFO L131 ngComponentsAnalysis]: Automaton has 15170 accepting balls. 99624