/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-update1-2modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:24:06,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:24:06,974 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 23:24:06,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:24:06,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:24:06,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:24:07,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:24:07,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:24:07,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:24:07,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:24:07,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:24:07,024 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:24:07,024 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:24:07,024 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:24:07,024 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:24:07,025 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:24:07,025 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:24:07,025 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:24:07,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:24:07,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:24:07,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:24:07,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:24:07,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:24:07,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:24:07,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:24:07,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:24:07,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:24:07,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:24:07,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:24:07,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:24:07,029 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:24:07,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:24:07,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:24:07,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:24:07,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:24:07,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:24:07,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:24:07,030 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:24:07,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:24:07,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:24:07,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:24:07,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:24:07,379 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:24:07,383 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:24:07,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-2modifiers.bpl [2024-02-09 23:24:07,385 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-2modifiers.bpl' [2024-02-09 23:24:07,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:24:07,414 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:24:07,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:07,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:24:07,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:24:07,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,448 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:24:07,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:07,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:24:07,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:24:07,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:24:07,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:24:07,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:24:07,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:24:07,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:24:07,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/1) ... [2024-02-09 23:24:07,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:07,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:07,593 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 23:24:07,612 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 23:24:07,651 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-09 23:24:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-09 23:24:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-09 23:24:07,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-09 23:24:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-09 23:24:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-09 23:24:07,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-09 23:24:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-09 23:24:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-09 23:24:07,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:24:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:24:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:24:07,654 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 23:24:07,695 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:24:07,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:24:07,831 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:24:07,836 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:24:07,836 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:24:07,838 INFO L201 PluginConnector]: Adding new model map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:07 BoogieIcfgContainer [2024-02-09 23:24:07,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:24:07,838 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:24:07,838 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:24:07,841 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:24:07,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:07,842 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:07" (1/2) ... [2024-02-09 23:24:07,843 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3117110e and model type map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:24:07, skipping insertion in model container [2024-02-09 23:24:07,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:07,843 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:07" (2/2) ... [2024-02-09 23:24:07,845 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-2modifiers.bpl [2024-02-09 23:24:07,939 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-09 23:24:07,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 128 flow [2024-02-09 23:24:07,988 INFO L124 PetriNetUnfolderBase]: 6/42 cut-off events. [2024-02-09 23:24:07,988 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-09 23:24:07,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 6/42 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 105 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2024-02-09 23:24:07,992 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 50 transitions, 128 flow [2024-02-09 23:24:07,995 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 42 transitions, 108 flow [2024-02-09 23:24:08,006 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:24:08,006 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:24:08,006 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:24:08,006 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:24:08,006 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:24:08,006 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:24:08,006 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:24:08,006 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:24:08,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:24:08,306 INFO L131 ngComponentsAnalysis]: Automaton has 317 accepting balls. 2781 [2024-02-09 23:24:08,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:08,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:08,310 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:08,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:08,311 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:24:08,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 2993 states, but on-demand construction may add more states [2024-02-09 23:24:08,368 INFO L131 ngComponentsAnalysis]: Automaton has 317 accepting balls. 2781 [2024-02-09 23:24:08,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:08,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:08,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:08,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:08,375 INFO L748 eck$LassoCheckResult]: Stem: 56#[$Ultimate##0]don't care [87] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 59#[L34]don't care [127] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 61#[L34-1, $Ultimate##0]don't care [92] $Ultimate##0-->L53-1: Formula: (= v_thread1Thread1of1ForFork1_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i] 65#[L53-1, L34-1]don't care [2024-02-09 23:24:08,378 INFO L750 eck$LassoCheckResult]: Loop: 65#[L53-1, L34-1]don't care [94] L53-1-->L54: Formula: (< v_thread1Thread1of1ForFork1_i_5 v_N_1) InVars {thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_5, N=v_N_1} AuxVars[] AssignedVars[] 75#[L34-1, L54]don't care [96] L54-->L55: Formula: (= (store v_A_2 v_thread1Thread1of1ForFork1_i_7 (let ((.cse0 (select v_A_2 v_thread1Thread1of1ForFork1_i_7))) (ite (< .cse0 0) 0 .cse0))) v_A_1) InVars {A=v_A_2, thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_7} AuxVars[] AssignedVars[A] 95#[L34-1, L55]don't care [97] L55-->L53-1: Formula: (= v_thread1Thread1of1ForFork1_i_10 (+ v_thread1Thread1of1ForFork1_i_9 1)) InVars {thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_9} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i] 65#[L53-1, L34-1]don't care [2024-02-09 23:24:08,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:08,389 INFO L85 PathProgramCache]: Analyzing trace with hash 117427, now seen corresponding path program 1 times [2024-02-09 23:24:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:08,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390293620] [2024-02-09 23:24:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:08,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:08,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:08,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:08,489 INFO L85 PathProgramCache]: Analyzing trace with hash 123198, now seen corresponding path program 1 times [2024-02-09 23:24:08,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:08,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68014828] [2024-02-09 23:24:08,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:08,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:08,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:08,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:08,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash -796606132, now seen corresponding path program 1 times [2024-02-09 23:24:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:08,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736827135] [2024-02-09 23:24:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:08,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:08,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:08,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:08,666 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:08,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:08,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:08,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:08,667 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:08,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:08,667 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:08,667 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:08,667 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:24:08,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:08,667 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:08,685 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 23:24:08,695 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 23:24:08,761 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:08,764 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:08,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:08,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:08,780 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 23:24:08,784 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 23:24:08,789 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 23:24:08,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:08,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:08,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:08,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:08,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:08,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:08,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:08,819 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 23:24:08,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:08,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:08,820 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 23:24:08,825 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 23:24:08,825 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 23:24:08,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:08,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:08,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:08,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:08,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:08,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:08,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:08,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:08,874 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 23:24:08,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:08,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:08,876 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 23:24:08,879 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 23:24:08,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:08,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:08,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:08,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:08,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:08,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:08,894 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 23:24:08,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:08,929 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-09 23:24:08,929 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:24:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:08,974 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 23:24:08,991 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:08,995 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 23:24:09,019 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:09,019 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:09,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_i, N) = -1*thread1Thread1of1ForFork1_i + 1*N Supporting invariants [] [2024-02-09 23:24:09,025 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 23:24:09,028 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:09,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:09,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:09,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:09,085 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:09,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:09,130 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 23:24:09,163 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 23:24:09,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 2993 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 23:24:09,414 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 2993 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 7704 states and 37345 transitions. Complement of second has 6 states. [2024-02-09 23:24:09,416 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 23:24:09,420 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 23:24:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 125 transitions. [2024-02-09 23:24:09,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 125 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-09 23:24:09,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:09,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 125 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-09 23:24:09,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:09,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 125 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-09 23:24:09,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:09,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7704 states and 37345 transitions. [2024-02-09 23:24:09,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-02-09 23:24:09,645 INFO L131 ngComponentsAnalysis]: Automaton has 370 accepting balls. 2622 [2024-02-09 23:24:09,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7704 states to 6306 states and 30672 transitions. [2024-02-09 23:24:09,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3347 [2024-02-09 23:24:09,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4615 [2024-02-09 23:24:09,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6306 states and 30672 transitions. [2024-02-09 23:24:09,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:09,834 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6306 states and 30672 transitions. [2024-02-09 23:24:09,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states and 30672 transitions. [2024-02-09 23:24:10,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 5041. [2024-02-09 23:24:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 5041 states have (on average 4.951795278714541) internal successors, (24962), 5040 states have internal predecessors, (24962), 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 23:24:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 24962 transitions. [2024-02-09 23:24:10,153 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5041 states and 24962 transitions. [2024-02-09 23:24:10,153 INFO L428 stractBuchiCegarLoop]: Abstraction has 5041 states and 24962 transitions. [2024-02-09 23:24:10,153 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:24:10,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5041 states and 24962 transitions. [2024-02-09 23:24:10,202 INFO L131 ngComponentsAnalysis]: Automaton has 370 accepting balls. 2622 [2024-02-09 23:24:10,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:10,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:10,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:10,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:10,203 INFO L748 eck$LassoCheckResult]: Stem: 16561#[$Ultimate##0]don't care [87] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 16563#[L34]don't care [127] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 21435#[L34-1, $Ultimate##0]don't care [130] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_2) (= 2 v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_20, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_cnt] 22313#[L35, $Ultimate##0, $Ultimate##0]don't care [98] $Ultimate##0-->L66: Formula: (= v_thread2Thread1of1ForFork2_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_cnt] 21823#[L35, L66, $Ultimate##0]don't care [99] L66-->L67-1: Formula: (= v_thread2Thread1of1ForFork2_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_j] 21825#[L35, L67-1, $Ultimate##0]don't care [2024-02-09 23:24:10,204 INFO L750 eck$LassoCheckResult]: Loop: 21825#[L35, L67-1, $Ultimate##0]don't care [101] L67-1-->L68: Formula: (< v_thread2Thread1of1ForFork2_j_5 v_N_4) InVars {N=v_N_4, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_5} OutVars{N=v_N_4, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_5} AuxVars[] AssignedVars[] 22167#[L35, L68, $Ultimate##0]don't care [104] L68-->L68-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork2_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_9} AuxVars[] AssignedVars[] 22223#[L35, L68-2, $Ultimate##0]don't care [107] L68-2-->L71-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork2_j_13) 0) InVars {thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_13, B=v_B_2} AuxVars[] AssignedVars[] 14105#[L35, L71-1, $Ultimate##0]don't care [109] L71-1-->L67-1: Formula: (= v_thread2Thread1of1ForFork2_j_16 (+ v_thread2Thread1of1ForFork2_j_15 1)) InVars {thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_15} OutVars{thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_j] 21825#[L35, L67-1, $Ultimate##0]don't care [2024-02-09 23:24:10,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:10,204 INFO L85 PathProgramCache]: Analyzing trace with hash 112887002, now seen corresponding path program 1 times [2024-02-09 23:24:10,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:10,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936090451] [2024-02-09 23:24:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:10,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:10,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:10,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:10,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash 4035782, now seen corresponding path program 1 times [2024-02-09 23:24:10,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:10,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535689626] [2024-02-09 23:24:10,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:10,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:10,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:10,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:10,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:10,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1778910495, now seen corresponding path program 1 times [2024-02-09 23:24:10,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:10,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321754265] [2024-02-09 23:24:10,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:10,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:10,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:10,305 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:10,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:10,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:10,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:10,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:10,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:10,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:10,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:10,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:24:10,305 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:10,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:10,307 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 23:24:10,308 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 23:24:10,311 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 23:24:10,313 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 23:24:10,325 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 23:24:10,328 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 23:24:10,381 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:10,381 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:10,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:10,383 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 23:24:10,400 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 23:24:10,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:10,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:10,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:10,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:10,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:10,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:10,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:10,411 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 23:24:10,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:10,427 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 23:24:10,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:10,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:10,445 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 23:24:10,471 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 23:24:10,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:10,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:10,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:10,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:10,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:10,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:10,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:10,486 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 23:24:10,504 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 23:24:10,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:10,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:10,517 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 23:24:10,523 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 23:24:10,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:10,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:10,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:10,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:10,532 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 23:24:10,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:10,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:10,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:10,560 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 23:24:10,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:10,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:10,577 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 23:24:10,623 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 23:24:10,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:10,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:10,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:10,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:10,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:10,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:10,640 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 23:24:10,660 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:10,685 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-09 23:24:10,685 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:24:10,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:10,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:10,701 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 23:24:10,719 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 23:24:10,719 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:10,726 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:10,726 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:10,726 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork2_j, N) = -1*thread2Thread1of1ForFork2_j + 1*N Supporting invariants [] [2024-02-09 23:24:10,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-09 23:24:10,733 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:10,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:10,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:10,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:10,807 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:10,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:10,849 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 23:24:10,850 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 23:24:10,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5041 states and 24962 transitions. cyclomatic complexity: 20389 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 23:24:11,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5041 states and 24962 transitions. cyclomatic complexity: 20389. 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 13551 states and 71052 transitions. Complement of second has 6 states. [2024-02-09 23:24:11,183 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 23:24:11,183 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 23:24:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-02-09 23:24:11,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 103 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-09 23:24:11,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:11,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 103 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 23:24:11,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:11,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 103 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-09 23:24:11,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:11,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13551 states and 71052 transitions. [2024-02-09 23:24:11,460 INFO L131 ngComponentsAnalysis]: Automaton has 558 accepting balls. 2100 [2024-02-09 23:24:11,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13551 states to 11039 states and 57899 transitions. [2024-02-09 23:24:11,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4055 [2024-02-09 23:24:11,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4851 [2024-02-09 23:24:11,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11039 states and 57899 transitions. [2024-02-09 23:24:11,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:11,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11039 states and 57899 transitions. [2024-02-09 23:24:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11039 states and 57899 transitions. [2024-02-09 23:24:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11039 to 9584. [2024-02-09 23:24:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9584 states, 9584 states have (on average 5.175500834724541) internal successors, (49602), 9583 states have internal predecessors, (49602), 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 23:24:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9584 states to 9584 states and 49602 transitions. [2024-02-09 23:24:12,091 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9584 states and 49602 transitions. [2024-02-09 23:24:12,091 INFO L428 stractBuchiCegarLoop]: Abstraction has 9584 states and 49602 transitions. [2024-02-09 23:24:12,091 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:24:12,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9584 states and 49602 transitions. [2024-02-09 23:24:12,157 INFO L131 ngComponentsAnalysis]: Automaton has 558 accepting balls. 2100 [2024-02-09 23:24:12,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:12,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:12,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:12,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:12,158 INFO L748 eck$LassoCheckResult]: Stem: 40609#[$Ultimate##0]don't care [87] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 40611#[L34]don't care [127] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 46659#[L34-1, $Ultimate##0]don't care [130] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_2) (= 2 v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_20, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_cnt] 48129#[L35, $Ultimate##0, $Ultimate##0]don't care [133] L35-->$Ultimate##0: Formula: (and (= v_thread3Thread1of1ForFork3_thidvar2_2 3) (= v_thread3Thread1of1ForFork3_thidvar1_2 3) (= v_thread3Thread1of1ForFork3_thidvar0_2 3)) InVars {} OutVars{thread3Thread1of1ForFork3_thidvar0=v_thread3Thread1of1ForFork3_thidvar0_2, thread3Thread1of1ForFork3_thidvar2=v_thread3Thread1of1ForFork3_thidvar2_2, thread3Thread1of1ForFork3_thidvar1=v_thread3Thread1of1ForFork3_thidvar1_2, thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_thidvar0, thread3Thread1of1ForFork3_thidvar2, thread3Thread1of1ForFork3_thidvar1, thread3Thread1of1ForFork3_k] 49181#[L36, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [110] $Ultimate##0-->L85-1: Formula: (= v_thread3Thread1of1ForFork3_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_k] 48663#[L36, $Ultimate##0, $Ultimate##0, L85-1]don't care [2024-02-09 23:24:12,159 INFO L750 eck$LassoCheckResult]: Loop: 48663#[L36, $Ultimate##0, $Ultimate##0, L85-1]don't care [112] L85-1-->L86: Formula: (< v_thread3Thread1of1ForFork3_k_5 v_N_5) InVars {thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_5, N=v_N_5} AuxVars[] AssignedVars[] 49085#[L36, L86, $Ultimate##0, $Ultimate##0]don't care [114] L86-->L87: Formula: (= (store v_B_4 v_thread3Thread1of1ForFork3_k_7 v_thread3Thread1of1ForFork3_k_7) v_B_3) InVars {thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_7, B=v_B_4} OutVars{thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_7, B=v_B_3} AuxVars[] AssignedVars[B] 48661#[L36, $Ultimate##0, $Ultimate##0, L87]don't care [115] L87-->L85-1: Formula: (= (+ v_thread3Thread1of1ForFork3_k_9 1) v_thread3Thread1of1ForFork3_k_10) InVars {thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_9} OutVars{thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_10} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_k] 48663#[L36, $Ultimate##0, $Ultimate##0, L85-1]don't care [2024-02-09 23:24:12,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:12,159 INFO L85 PathProgramCache]: Analyzing trace with hash 112888098, now seen corresponding path program 1 times [2024-02-09 23:24:12,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:12,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132174558] [2024-02-09 23:24:12,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:12,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:12,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:12,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:12,168 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:12,168 INFO L85 PathProgramCache]: Analyzing trace with hash 141072, now seen corresponding path program 1 times [2024-02-09 23:24:12,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:12,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236471328] [2024-02-09 23:24:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:12,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:12,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:12,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:12,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash 90046031, now seen corresponding path program 1 times [2024-02-09 23:24:12,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:12,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473470760] [2024-02-09 23:24:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:12,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:12,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:12,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:12,241 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:12,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:12,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:12,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:12,242 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:12,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:12,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:12,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:12,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:24:12,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:12,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:12,243 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 23:24:12,246 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 23:24:12,248 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 23:24:12,257 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 23:24:12,259 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 23:24:12,261 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 23:24:12,263 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 23:24:12,265 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 23:24:12,267 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 23:24:12,269 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 23:24:12,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:12,452 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:12,457 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 23:24:12,475 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 23:24:12,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:12,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:12,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:12,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:12,482 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 23:24:12,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:12,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:12,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:12,521 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 23:24:12,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:12,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:12,537 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 23:24:12,542 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 23:24:12,544 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 23:24:12,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:12,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:12,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:12,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:12,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:12,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:12,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:12,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-02-09 23:24:12,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:12,579 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 23:24:12,580 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 23:24:12,597 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 23:24:12,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:12,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:12,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:12,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:12,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:12,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:12,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:12,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:12,609 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 23:24:12,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:12,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:12,610 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 23:24:12,613 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 23:24:12,615 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 23:24:12,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:12,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:12,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:12,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:12,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:12,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:12,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:12,654 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-09 23:24:12,655 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-09 23:24:12,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:12,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:12,668 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 23:24:12,672 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:12,680 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 23:24:12,700 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:12,701 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:12,701 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork3_k, N) = -1*thread3Thread1of1ForFork3_k + 1*N Supporting invariants [] [2024-02-09 23:24:12,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-02-09 23:24:12,708 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:12,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:12,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:12,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:12,729 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:12,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:12,748 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 23:24:12,749 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 23:24:12,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9584 states and 49602 transitions. cyclomatic complexity: 40895 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 23:24:12,920 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 23:24:13,251 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9584 states and 49602 transitions. cyclomatic complexity: 40895. 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 29706 states and 162732 transitions. Complement of second has 6 states. [2024-02-09 23:24:13,253 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 23:24:13,253 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 23:24:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 121 transitions. [2024-02-09 23:24:13,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 121 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:24:13,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:13,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 121 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:24:13,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:13,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 121 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:24:13,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:13,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29706 states and 162732 transitions. [2024-02-09 23:24:13,857 INFO L131 ngComponentsAnalysis]: Automaton has 427 accepting balls. 1281 [2024-02-09 23:24:14,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29706 states to 18960 states and 103801 transitions. [2024-02-09 23:24:14,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4475 [2024-02-09 23:24:14,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5503 [2024-02-09 23:24:14,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18960 states and 103801 transitions. [2024-02-09 23:24:14,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:14,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18960 states and 103801 transitions. [2024-02-09 23:24:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18960 states and 103801 transitions. [2024-02-09 23:24:14,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18960 to 15531. [2024-02-09 23:24:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15531 states, 15531 states have (on average 5.500676067220398) internal successors, (85431), 15530 states have internal predecessors, (85431), 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 23:24:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15531 states to 15531 states and 85431 transitions. [2024-02-09 23:24:14,991 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15531 states and 85431 transitions. [2024-02-09 23:24:14,991 INFO L428 stractBuchiCegarLoop]: Abstraction has 15531 states and 85431 transitions. [2024-02-09 23:24:14,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:24:14,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15531 states and 85431 transitions. [2024-02-09 23:24:15,110 INFO L131 ngComponentsAnalysis]: Automaton has 427 accepting balls. 1281 [2024-02-09 23:24:15,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:15,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:15,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-02-09 23:24:15,111 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:15,111 INFO L748 eck$LassoCheckResult]: Stem: 89037#[$Ultimate##0]don't care [87] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 89039#[L34]don't care [127] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 94793#[L34-1, $Ultimate##0]don't care [130] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_2) (= 2 v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_20, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_cnt] 96513#[L35, $Ultimate##0, $Ultimate##0]don't care [133] L35-->$Ultimate##0: Formula: (and (= v_thread3Thread1of1ForFork3_thidvar2_2 3) (= v_thread3Thread1of1ForFork3_thidvar1_2 3) (= v_thread3Thread1of1ForFork3_thidvar0_2 3)) InVars {} OutVars{thread3Thread1of1ForFork3_thidvar0=v_thread3Thread1of1ForFork3_thidvar0_2, thread3Thread1of1ForFork3_thidvar2=v_thread3Thread1of1ForFork3_thidvar2_2, thread3Thread1of1ForFork3_thidvar1=v_thread3Thread1of1ForFork3_thidvar1_2, thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_thidvar0, thread3Thread1of1ForFork3_thidvar2, thread3Thread1of1ForFork3_thidvar1, thread3Thread1of1ForFork3_k] 97939#[L36, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [124] L36-->$Ultimate##0: Formula: (and (= 4 v_thread3Thread1of1ForFork0_thidvar1_2) (= 4 v_thread3Thread1of1ForFork0_thidvar0_2) (= 4 v_thread3Thread1of1ForFork0_thidvar2_2) (= 4 v_thread3Thread1of1ForFork0_thidvar3_2)) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_14, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0] 97551#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L37, $Ultimate##0]don't care [116] $Ultimate##0-->L85-1: Formula: (= v_thread3Thread1of1ForFork0_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k] 92287#[$Ultimate##0, $Ultimate##0, L85-1, L37, $Ultimate##0]don't care [2024-02-09 23:24:15,111 INFO L750 eck$LassoCheckResult]: Loop: 92287#[$Ultimate##0, $Ultimate##0, L85-1, L37, $Ultimate##0]don't care [118] L85-1-->L86: Formula: (< v_thread3Thread1of1ForFork0_k_5 v_N_5) InVars {thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_5, N=v_N_5} AuxVars[] AssignedVars[] 92291#[$Ultimate##0, $Ultimate##0, L86, L37, $Ultimate##0]don't care [120] L86-->L87: Formula: (= (store v_B_4 v_thread3Thread1of1ForFork0_k_7 v_thread3Thread1of1ForFork0_k_7) v_B_3) InVars {thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_7, B=v_B_4} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_7, B=v_B_3} AuxVars[] AssignedVars[B] 95527#[$Ultimate##0, $Ultimate##0, L37, $Ultimate##0, L87]don't care [121] L87-->L85-1: Formula: (= v_thread3Thread1of1ForFork0_k_10 (+ v_thread3Thread1of1ForFork0_k_9 1)) InVars {thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_9} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_10} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k] 92287#[$Ultimate##0, $Ultimate##0, L85-1, L37, $Ultimate##0]don't care [2024-02-09 23:24:15,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash -795435708, now seen corresponding path program 1 times [2024-02-09 23:24:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:15,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723618533] [2024-02-09 23:24:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:15,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:15,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:15,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:15,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:15,120 INFO L85 PathProgramCache]: Analyzing trace with hash 147030, now seen corresponding path program 1 times [2024-02-09 23:24:15,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:15,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628772576] [2024-02-09 23:24:15,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:15,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:15,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:15,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:15,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:15,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1490487757, now seen corresponding path program 1 times [2024-02-09 23:24:15,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:15,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671584288] [2024-02-09 23:24:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:15,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:15,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:15,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:15,207 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:15,207 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:15,207 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:15,207 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:15,207 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:15,207 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,207 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:15,207 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:15,207 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration4_Lasso [2024-02-09 23:24:15,207 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:15,207 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:15,208 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 23:24:15,210 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 23:24:15,212 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 23:24:15,214 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 23:24:15,216 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 23:24:15,218 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 23:24:15,219 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 23:24:15,221 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 23:24:15,223 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 23:24:15,231 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 23:24:15,232 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 23:24:15,234 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 23:24:15,236 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 23:24:15,238 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 23:24:15,239 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 23:24:15,329 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:15,329 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:15,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,330 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 23:24:15,363 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 23:24:15,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,375 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 23:24:15,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,391 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 23:24:15,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,405 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 23:24:15,410 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 23:24:15,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,421 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 23:24:15,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,441 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 23:24:15,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,442 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 23:24:15,460 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 23:24:15,461 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 23:24:15,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,487 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 23:24:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,491 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 23:24:15,494 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 23:24:15,495 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 23:24:15,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,522 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 23:24:15,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,524 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 23:24:15,529 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 23:24:15,529 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 23:24:15,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:15,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:15,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:15,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,555 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 23:24:15,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,556 INFO L229 MonitoredProcess]: Starting monitored process 21 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 23:24:15,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-02-09 23:24:15,560 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 23:24:15,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:15,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,596 INFO L229 MonitoredProcess]: Starting monitored process 22 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 23:24:15,599 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 23:24:15,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-02-09 23:24:15,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:15,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,653 INFO L229 MonitoredProcess]: Starting monitored process 23 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 23:24:15,656 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 23:24:15,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:15,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:15,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:15,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-02-09 23:24:15,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:15,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,693 INFO L229 MonitoredProcess]: Starting monitored process 24 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 23:24:15,713 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 23:24:15,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:15,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:15,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:15,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-02-09 23:24:15,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:15,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:15,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,764 INFO L229 MonitoredProcess]: Starting monitored process 25 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 23:24:15,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-02-09 23:24:15,766 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 23:24:15,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:15,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:15,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:15,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:15,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:15,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:15,792 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:15,798 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-09 23:24:15,798 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:24:15,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:15,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:15,805 INFO L229 MonitoredProcess]: Starting monitored process 26 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 23:24:15,808 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:15,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-02-09 23:24:15,818 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:15,818 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:15,818 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_k, N) = -1*thread3Thread1of1ForFork0_k + 1*N Supporting invariants [] [2024-02-09 23:24:15,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:15,822 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:15,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:15,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:15,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:15,869 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:15,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:15,882 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 23:24:15,883 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 23:24:15,883 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15531 states and 85431 transitions. cyclomatic complexity: 70996 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 23:24:16,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:16,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15531 states and 85431 transitions. cyclomatic complexity: 70996. 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 42152 states and 236012 transitions. Complement of second has 6 states. [2024-02-09 23:24:16,466 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 23:24:16,470 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 23:24:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-02-09 23:24:16,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 118 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-09 23:24:16,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:16,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 118 transitions. Stem has 9 letters. Loop has 3 letters. [2024-02-09 23:24:16,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:16,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 118 transitions. Stem has 6 letters. Loop has 6 letters. [2024-02-09 23:24:16,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:16,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42152 states and 236012 transitions. [2024-02-09 23:24:17,357 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:17,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42152 states to 0 states and 0 transitions. [2024-02-09 23:24:17,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:24:17,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:24:17,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:24:17,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:24:17,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:17,358 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:17,358 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:17,358 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-02-09 23:24:17,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:24:17,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:17,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:24:17,366 INFO L201 PluginConnector]: Adding new model map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:24:17 BoogieIcfgContainer [2024-02-09 23:24:17,367 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:24:17,367 INFO L158 Benchmark]: Toolchain (without parser) took 9953.41ms. Allocated memory was 202.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 170.5MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 650.3MB. Max. memory is 8.0GB. [2024-02-09 23:24:17,367 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 171.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:24:17,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.69ms. Allocated memory is still 202.4MB. Free memory was 170.4MB in the beginning and 168.9MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-02-09 23:24:17,368 INFO L158 Benchmark]: Boogie Preprocessor took 69.66ms. Allocated memory is still 202.4MB. Free memory was 168.9MB in the beginning and 177.9MB in the end (delta: -9.0MB). Peak memory consumption was 3.2MB. Max. memory is 8.0GB. [2024-02-09 23:24:17,368 INFO L158 Benchmark]: RCFGBuilder took 297.12ms. Allocated memory is still 202.4MB. Free memory was 177.8MB in the beginning and 167.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-09 23:24:17,368 INFO L158 Benchmark]: BuchiAutomizer took 9528.31ms. Allocated memory was 202.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 167.6MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 647.1MB. Max. memory is 8.0GB. [2024-02-09 23:24:17,369 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 0.11ms. Allocated memory is still 202.4MB. Free memory is still 171.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.69ms. Allocated memory is still 202.4MB. Free memory was 170.4MB in the beginning and 168.9MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.66ms. Allocated memory is still 202.4MB. Free memory was 168.9MB in the beginning and 177.9MB in the end (delta: -9.0MB). Peak memory consumption was 3.2MB. Max. memory is 8.0GB. * RCFGBuilder took 297.12ms. Allocated memory is still 202.4MB. Free memory was 177.8MB in the beginning and 167.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 9528.31ms. Allocated memory was 202.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 167.6MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 647.1MB. 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 4 terminating modules (0 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 1.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 6149 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 2.7s Buchi closure took 0.1s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 356 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 451 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 239 mSDtfsCounter, 258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf100 lsp81 ukn68 mio100 lsp94 div100 bol100 ite100 ukn100 eq143 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 23:24:17,380 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 23:24:17,581 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...