/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_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check false -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/motivating-slowitp.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:01:53,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:01:54,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 01:01:54,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:01:54,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:01:54,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:01:54,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:01:54,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:01:54,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:01:54,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:01:54,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:01:54,091 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:01:54,091 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:01:54,092 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:01:54,092 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:01:54,093 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:01:54,093 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:01:54,093 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:01:54,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:01:54,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:01:54,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:01:54,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:01:54,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:01:54,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:01:54,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:01:54,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:01:54,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:01:54,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:01:54,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:01:54,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:01:54,103 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:01:54,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:01:54,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:01:54,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:01:54,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:01:54,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:01:54,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:01:54,110 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:01:54,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> false [2024-02-10 01:01:54,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:01:54,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:01:54,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:01:54,489 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:01:54,493 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:01:54,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating-slowitp.bpl [2024-02-10 01:01:54,500 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating-slowitp.bpl' [2024-02-10 01:01:54,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:01:54,546 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:01:54,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:01:54,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:01:54,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:01:54,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,648 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:01:54,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:01:54,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:01:54,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:01:54,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:01:54,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:01:54,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:01:54,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:01:54,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:01:54,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/1) ... [2024-02-10 01:01:54,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:54,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:54,764 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) [2024-02-10 01:01:54,792 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 [2024-02-10 01:01:54,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-10 01:01:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 01:01:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 01:01:54,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-10 01:01:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 01:01:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 01:01:54,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-10 01:01:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-10 01:01:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-10 01:01:54,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:01:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:01:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:01:54,822 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 01:01:54,883 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:01:54,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:01:55,128 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:01:55,213 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:01:55,214 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 01:01:55,216 INFO L201 PluginConnector]: Adding new model motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:01:55 BoogieIcfgContainer [2024-02-10 01:01:55,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:01:55,217 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:01:55,217 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:01:55,233 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:01:55,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:01:55,239 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:01:54" (1/2) ... [2024-02-10 01:01:55,241 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1521a999 and model type motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:01:55, skipping insertion in model container [2024-02-10 01:01:55,241 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:01:55,241 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:01:55" (2/2) ... [2024-02-10 01:01:55,244 INFO L332 chiAutomizerObserver]: Analyzing ICFG motivating-slowitp.bpl [2024-02-10 01:01:55,427 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-10 01:01:55,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 85 flow [2024-02-10 01:01:55,551 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2024-02-10 01:01:55,551 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-10 01:01:55,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2024-02-10 01:01:55,563 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 85 flow [2024-02-10 01:01:55,566 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2024-02-10 01:01:55,595 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:01:55,596 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:01:55,596 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:01:55,596 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:01:55,596 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:01:55,596 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:01:55,596 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:01:55,597 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:01:55,597 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 places, 26 transitions, 70 flow [2024-02-10 01:01:55,602 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:01:55,602 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-10 01:01:55,602 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 01:01:55,603 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:01:55,605 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:01:55,606 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 places, 26 transitions, 70 flow [2024-02-10 01:01:55,616 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:01:55,618 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-10 01:01:55,618 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 01:01:55,619 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:01:55,626 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [85] $Ultimate##0-->L18: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 42#[L18]true [106] L18-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 44#[L18-1, $Ultimate##0]true [88] $Ultimate##0-->L36-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 46#[L18-1, L36-1]true [2024-02-10 01:01:55,633 INFO L750 eck$LassoCheckResult]: Loop: 46#[L18-1, L36-1]true [90] L36-1-->L36: Formula: (< v_thread1Thread1of1ForFork0_i_5 v_N_1) InVars {thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_5, N=v_N_1} AuxVars[] AssignedVars[] 49#[L18-1, L36]true [92] L36-->L36-1: Formula: (and (= v_A_7 (store v_A_8 v_thread1Thread1of1ForFork0_i_7 (let ((.cse0 (select v_A_8 v_thread1Thread1of1ForFork0_i_7))) (ite (< .cse0 0) 0 .cse0)))) (= (+ v_thread1Thread1of1ForFork0_i_7 1) v_thread1Thread1of1ForFork0_i_8)) InVars {A=v_A_8, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} OutVars{A=v_A_7, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_8} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 46#[L18-1, L36-1]true [2024-02-10 01:01:55,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:55,641 INFO L85 PathProgramCache]: Analyzing trace with hash 114850, now seen corresponding path program 1 times [2024-02-10 01:01:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:01:55,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946740465] [2024-02-10 01:01:55,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:01:55,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:01:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:55,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:01:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:55,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:01:55,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:55,858 INFO L85 PathProgramCache]: Analyzing trace with hash 3843, now seen corresponding path program 1 times [2024-02-10 01:01:55,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:01:55,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672915716] [2024-02-10 01:01:55,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:01:55,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:01:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:55,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:01:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:55,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:01:55,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash 110373732, now seen corresponding path program 1 times [2024-02-10 01:01:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:01:55,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598885239] [2024-02-10 01:01:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:01:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:01:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:55,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:01:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:55,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:01:56,268 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:01:56,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:01:56,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:01:56,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:01:56,269 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:01:56,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:56,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:01:56,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:01:56,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: motivating-slowitp.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:01:56,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:01:56,270 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:01:56,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:56,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:56,514 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:01:56,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:01:56,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:56,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:56,530 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) [2024-02-10 01:01:56,536 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 [2024-02-10 01:01:56,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:56,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:01:56,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:01:56,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:01:56,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:56,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:01:56,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:01:56,572 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 [2024-02-10 01:01:56,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:01:56,588 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 [2024-02-10 01:01:56,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:56,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:56,606 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) [2024-02-10 01:01:56,614 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 [2024-02-10 01:01:56,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:56,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:01:56,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:01:56,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:56,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:01:56,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:01:56,660 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 [2024-02-10 01:01:56,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:01:56,688 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 01:01:56,688 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-10 01:01:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:56,711 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) [2024-02-10 01:01:56,747 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:01:56,757 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 [2024-02-10 01:01:56,776 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:01:56,776 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:01:56,777 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-10 01:01:56,787 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 [2024-02-10 01:01:56,791 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:01:56,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:01:56,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:01:56,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:01:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:01:56,892 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:01:56,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:01:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:01:57,027 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 [2024-02-10 01:01:57,102 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-02-10 01:01:57,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-02-10 01:01:57,483 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 9 states and 400 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:01:57,484 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:01:57,485 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 01:01:57,487 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 01:01:57,554 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 01:01:57,554 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:01:57,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:01:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-02-10 01:01:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2024-02-10 01:01:57,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 3 letters. Loop has 2 letters. [2024-02-10 01:01:57,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:01:57,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 5 letters. Loop has 2 letters. [2024-02-10 01:01:57,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:01:57,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 3 letters. Loop has 4 letters. [2024-02-10 01:01:57,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:01:57,591 INFO L428 stractBuchiCegarLoop]: Abstraction has has 42 places, 322 transitions, 1507 flow [2024-02-10 01:01:57,592 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:01:57,592 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42 places, 322 transitions, 1507 flow [2024-02-10 01:01:57,717 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:01:57,717 INFO L124 PetriNetUnfolderBase]: 170/229 cut-off events. [2024-02-10 01:01:57,717 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-02-10 01:01:57,717 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:01:57,719 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [85] $Ultimate##0-->L18: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 42#[L18]true [106] L18-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 44#[L18-1, $Ultimate##0]true [109] L18-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_12, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_8, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 102#[$Ultimate##0, $Ultimate##0, L19]true [93] $Ultimate##0-->L50: Formula: (= v_thread2Thread1of1ForFork1_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_cnt] 104#[L50, $Ultimate##0, L19]true [94] L50-->L52-1: Formula: (= v_thread2Thread1of1ForFork1_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 106#[$Ultimate##0, L52-1, L19]true [96] L52-1-->L52: Formula: (< v_thread2Thread1of1ForFork1_j_5 v_N_4) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] 108#[L52, $Ultimate##0, L19]true [98] L52-->L52-1: Formula: (and (let ((.cse0 (select v_A_13 v_thread2Thread1of1ForFork1_j_7))) (or (and (= (+ v_thread2Thread1of1ForFork1_cnt_3 1) v_thread2_cnt_26) (< 0 .cse0)) (and (= v_thread2_cnt_26 v_thread2Thread1of1ForFork1_cnt_3) (<= .cse0 0)))) (= (+ v_thread2Thread1of1ForFork1_j_7 1) v_thread2Thread1of1ForFork1_j_8) (let ((.cse1 (select v_B_13 v_thread2Thread1of1ForFork1_j_7))) (or (and (= v_thread2_cnt_26 v_thread2Thread1of1ForFork1_cnt_4) (<= .cse1 0)) (and (< 0 .cse1) (= (+ v_thread2_cnt_26 1) v_thread2Thread1of1ForFork1_cnt_4))))) InVars {A=v_A_13, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_7, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_3, B=v_B_13} OutVars{A=v_A_13, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_8, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_4, B=v_B_13} AuxVars[v_thread2_cnt_26] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 106#[$Ultimate##0, L52-1, L19]true [2024-02-10 01:01:57,719 INFO L750 eck$LassoCheckResult]: Loop: 106#[$Ultimate##0, L52-1, L19]true [96] L52-1-->L52: Formula: (< v_thread2Thread1of1ForFork1_j_5 v_N_4) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] 108#[L52, $Ultimate##0, L19]true [98] L52-->L52-1: Formula: (and (let ((.cse0 (select v_A_13 v_thread2Thread1of1ForFork1_j_7))) (or (and (= (+ v_thread2Thread1of1ForFork1_cnt_3 1) v_thread2_cnt_26) (< 0 .cse0)) (and (= v_thread2_cnt_26 v_thread2Thread1of1ForFork1_cnt_3) (<= .cse0 0)))) (= (+ v_thread2Thread1of1ForFork1_j_7 1) v_thread2Thread1of1ForFork1_j_8) (let ((.cse1 (select v_B_13 v_thread2Thread1of1ForFork1_j_7))) (or (and (= v_thread2_cnt_26 v_thread2Thread1of1ForFork1_cnt_4) (<= .cse1 0)) (and (< 0 .cse1) (= (+ v_thread2_cnt_26 1) v_thread2Thread1of1ForFork1_cnt_4))))) InVars {A=v_A_13, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_7, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_3, B=v_B_13} OutVars{A=v_A_13, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_8, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_4, B=v_B_13} AuxVars[v_thread2_cnt_26] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 106#[$Ultimate##0, L52-1, L19]true [2024-02-10 01:01:57,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:57,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1285537638, now seen corresponding path program 1 times [2024-02-10 01:01:57,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:01:57,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362770533] [2024-02-10 01:01:57,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:01:57,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:01:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:57,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:01:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:57,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:01:57,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash 4035, now seen corresponding path program 1 times [2024-02-10 01:01:57,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:01:57,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242820209] [2024-02-10 01:01:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:01:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:01:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:57,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:01:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:57,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:01:57,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:57,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1548914204, now seen corresponding path program 2 times [2024-02-10 01:01:57,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:01:57,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934802531] [2024-02-10 01:01:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:01:57,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:01:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:57,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:01:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:01:57,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:01:58,489 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:01:58,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:01:58,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:01:58,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:01:58,490 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:01:58,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:58,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:01:58,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:01:58,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: motivating-slowitp.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:01:58,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:01:58,491 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:01:58,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:58,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:58,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:58,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:58,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:01:59,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:01:59,109 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:01:59,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:59,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:59,110 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) [2024-02-10 01:01:59,146 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 [2024-02-10 01:01:59,147 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 [2024-02-10 01:01:59,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:59,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:01:59,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:01:59,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:59,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:01:59,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:01:59,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:01:59,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-10 01:01:59,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:59,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:59,213 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) [2024-02-10 01:01:59,243 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 [2024-02-10 01:01:59,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:59,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:01:59,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:01:59,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:01:59,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:59,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:01:59,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:01:59,254 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 [2024-02-10 01:01:59,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:01:59,298 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 [2024-02-10 01:01:59,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:59,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:59,313 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) [2024-02-10 01:01:59,351 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 [2024-02-10 01:01:59,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:59,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:01:59,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:01:59,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:59,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:01:59,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:01:59,371 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 [2024-02-10 01:01:59,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:01:59,410 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 [2024-02-10 01:01:59,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:59,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:59,414 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) [2024-02-10 01:01:59,456 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 [2024-02-10 01:01:59,464 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 [2024-02-10 01:01:59,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:59,465 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-02-10 01:01:59,465 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-02-10 01:01:59,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:59,546 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2024-02-10 01:01:59,546 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-02-10 01:01:59,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:01:59,686 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 [2024-02-10 01:01:59,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:59,701 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) [2024-02-10 01:01:59,731 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 [2024-02-10 01:01:59,738 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 [2024-02-10 01:01:59,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:01:59,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:01:59,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:01:59,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:01:59,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:01:59,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:01:59,762 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:01:59,783 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-10 01:01:59,783 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:01:59,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:01:59,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:01:59,784 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) [2024-02-10 01:01:59,815 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:01:59,823 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 [2024-02-10 01:01:59,837 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:01:59,837 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:01:59,838 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2024-02-10 01:01:59,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-02-10 01:01:59,846 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:01:59,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:01:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:01:59,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:01:59,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:01:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:01:59,900 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:01:59,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:01:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:01:59,912 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 [2024-02-10 01:01:59,913 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. 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) [2024-02-10 01:02:00,071 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. 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 9 states and 400 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:02:00,071 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:02:00,072 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 01:02:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 400 transitions. [2024-02-10 01:02:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 400 transitions. [2024-02-10 01:02:00,085 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 01:02:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 400 transitions. [2024-02-10 01:02:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 400 transitions. [2024-02-10 01:02:00,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-02-10 01:02:00,396 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 01:02:00,397 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:02:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:02:00,413 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) [2024-02-10 01:02:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2024-02-10 01:02:00,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 7 letters. Loop has 2 letters. [2024-02-10 01:02:00,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:02:00,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 9 letters. Loop has 2 letters. [2024-02-10 01:02:00,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:02:00,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 01:02:00,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:02:00,415 INFO L428 stractBuchiCegarLoop]: Abstraction has has 55 places, 5175 transitions, 34500 flow [2024-02-10 01:02:00,415 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:02:00,416 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 55 places, 5175 transitions, 34500 flow [2024-02-10 01:02:00,728 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:02:00,728 INFO L124 PetriNetUnfolderBase]: 673/829 cut-off events. [2024-02-10 01:02:00,729 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-02-10 01:02:00,729 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:02:00,729 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [85] $Ultimate##0-->L18: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 42#[L18]true [106] L18-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 44#[L18-1, $Ultimate##0]true [109] L18-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_12, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_8, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 102#[$Ultimate##0, $Ultimate##0, L19]true [112] L19-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_12} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 174#[$Ultimate##0, $Ultimate##0, L20, $Ultimate##0]true [99] $Ultimate##0-->L72-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 176#[$Ultimate##0, $Ultimate##0, L20, L72-1]true [101] L72-1-->L72: Formula: (< v_thread3Thread1of1ForFork2_k_5 v_N_5) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} AuxVars[] AssignedVars[] 178#[$Ultimate##0, $Ultimate##0, L20, L72]true [103] L72-->L72-1: Formula: (and (= v_B_5 (store v_B_6 v_thread3Thread1of1ForFork2_k_7 v_thread3Thread1of1ForFork2_k_7)) (= v_thread3Thread1of1ForFork2_k_8 (+ v_thread3Thread1of1ForFork2_k_7 1))) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_6} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_8, B=v_B_5} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 176#[$Ultimate##0, $Ultimate##0, L20, L72-1]true [2024-02-10 01:02:00,730 INFO L750 eck$LassoCheckResult]: Loop: 176#[$Ultimate##0, $Ultimate##0, L20, L72-1]true [101] L72-1-->L72: Formula: (< v_thread3Thread1of1ForFork2_k_5 v_N_5) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} AuxVars[] AssignedVars[] 178#[$Ultimate##0, $Ultimate##0, L20, L72]true [103] L72-->L72-1: Formula: (and (= v_B_5 (store v_B_6 v_thread3Thread1of1ForFork2_k_7 v_thread3Thread1of1ForFork2_k_7)) (= v_thread3Thread1of1ForFork2_k_8 (+ v_thread3Thread1of1ForFork2_k_7 1))) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_6} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_8, B=v_B_5} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 176#[$Ultimate##0, $Ultimate##0, L20, L72-1]true [2024-02-10 01:02:00,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:00,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1284966644, now seen corresponding path program 1 times [2024-02-10 01:02:00,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:00,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130121729] [2024-02-10 01:02:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:00,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:00,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:00,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:00,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:00,782 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 1 times [2024-02-10 01:02:00,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:00,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946102214] [2024-02-10 01:02:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:00,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:00,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:00,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:00,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2097639598, now seen corresponding path program 2 times [2024-02-10 01:02:00,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:00,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950463340] [2024-02-10 01:02:00,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:00,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:00,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:00,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:00,958 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:02:00,958 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:02:00,958 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:02:00,958 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:02:00,958 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:02:00,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:00,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:02:00,959 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:02:00,959 INFO L133 ssoRankerPreferences]: Filename of dumped script: motivating-slowitp.bpl_BEv2_Iteration3_Lasso [2024-02-10 01:02:00,959 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:02:00,959 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:02:00,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:00,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:01,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:01,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:02:01,128 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:02:01,128 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:02:01,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,146 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) [2024-02-10 01:02:01,170 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 [2024-02-10 01:02:01,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,182 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 [2024-02-10 01:02:01,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,232 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 [2024-02-10 01:02:01,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,234 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) [2024-02-10 01:02:01,268 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 [2024-02-10 01:02:01,268 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 [2024-02-10 01:02:01,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:02:01,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:02:01,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:02:01,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-10 01:02:01,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,317 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) [2024-02-10 01:02:01,319 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 [2024-02-10 01:02:01,320 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 [2024-02-10 01:02:01,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-10 01:02:01,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,393 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) [2024-02-10 01:02:01,395 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 [2024-02-10 01:02:01,405 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 [2024-02-10 01:02:01,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-02-10 01:02:01,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,462 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) [2024-02-10 01:02:01,494 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 [2024-02-10 01:02:01,495 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 [2024-02-10 01:02:01,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,550 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 [2024-02-10 01:02:01,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,565 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) [2024-02-10 01:02:01,591 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 [2024-02-10 01:02:01,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,608 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 [2024-02-10 01:02:01,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,626 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 [2024-02-10 01:02:01,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,642 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) [2024-02-10 01:02:01,661 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 [2024-02-10 01:02:01,661 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 [2024-02-10 01:02:01,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:02:01,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-02-10 01:02:01,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,693 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) [2024-02-10 01:02:01,720 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 [2024-02-10 01:02:01,720 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 [2024-02-10 01:02:01,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:02:01,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:02:01,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:02:01,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:02:01,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:02:01,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:02:01,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:02:01,761 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-02-10 01:02:01,762 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:02:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:01,772 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) [2024-02-10 01:02:01,818 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 [2024-02-10 01:02:01,818 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:02:01,840 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:02:01,840 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:02:01,840 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2024-02-10 01:02:01,847 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 [2024-02-10 01:02:01,848 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:02:01,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:02:01,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:02:01,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:02:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:02:01,877 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:02:01,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:02:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:02:01,890 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 [2024-02-10 01:02:01,890 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. 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) [2024-02-10 01:02:02,008 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. 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 9 states and 400 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:02:02,009 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:02:02,009 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 01:02:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 400 transitions. [2024-02-10 01:02:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 400 transitions. [2024-02-10 01:02:02,010 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 01:02:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 400 transitions. [2024-02-10 01:02:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 400 transitions. [2024-02-10 01:02:02,068 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 [2024-02-10 01:02:06,633 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 01:02:06,634 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:02:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:02:06,637 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) [2024-02-10 01:02:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2024-02-10 01:02:06,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 7 letters. Loop has 2 letters. [2024-02-10 01:02:06,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:02:06,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 9 letters. Loop has 2 letters. [2024-02-10 01:02:06,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:02:06,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 154 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 01:02:06,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:02:06,644 INFO L428 stractBuchiCegarLoop]: Abstraction has has 68 places, 82892 transitions, 717145 flow [2024-02-10 01:02:06,656 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-10 01:02:06,657 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 places, 82892 transitions, 717145 flow [2024-02-10 01:04:46,983 INFO L124 PetriNetUnfolderBase]: 53543/61327 cut-off events. [2024-02-10 01:04:46,987 INFO L125 PetriNetUnfolderBase]: For 3114/3114 co-relation queries the response was YES. [2024-02-10 01:04:46,987 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2024-02-10 01:04:46,997 INFO L201 PluginConnector]: Adding new model motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:04:46 BoogieIcfgContainer [2024-02-10 01:04:46,997 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:04:47,001 INFO L158 Benchmark]: Toolchain (without parser) took 172451.72ms. Allocated memory was 151.0MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 87.5MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-02-10 01:04:47,006 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:04:47,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.08ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 120.4MB in the end (delta: -33.2MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2024-02-10 01:04:47,008 INFO L158 Benchmark]: Boogie Preprocessor took 69.31ms. Allocated memory is still 151.0MB. Free memory was 120.4MB in the beginning and 119.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 01:04:47,008 INFO L158 Benchmark]: RCFGBuilder took 491.32ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 107.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-02-10 01:04:47,010 INFO L158 Benchmark]: BuchiAutomizer took 171779.59ms. Allocated memory was 151.0MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 107.6MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-02-10 01:04:47,027 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 0.25ms. Allocated memory is still 151.0MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 99.08ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 120.4MB in the end (delta: -33.2MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.31ms. Allocated memory is still 151.0MB. Free memory was 120.4MB in the beginning and 119.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 491.32ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 107.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 171779.59ms. Allocated memory was 151.0MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 107.6MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 5 locations. One deterministic module has affine ranking function N + -1 * j and consists of 5 locations. One deterministic module has affine ranking function -1 * k + N and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 171.5s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 4.4s. Construction of modules took 0.3s. Büchi inclusion checks took 5.8s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 300 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 135 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 165 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp177 ukn42 mio100 lsp89 div100 bol100 ite100 ukn100 eq143 hnf95 smp100 dnf157 smp78 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 255ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 72 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-10 01:04:47,049 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...