/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 -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:50:48,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:50:49,008 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:50:49,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:50:49,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:50:49,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:50:49,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:50:49,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:50:49,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:50:49,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:50:49,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:50:49,048 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:50:49,048 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:50:49,049 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:50:49,049 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:50:49,049 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:50:49,049 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:50:49,050 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:50:49,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:50:49,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:50:49,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:50:49,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:50:49,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:50:49,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:50:49,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:50:49,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:50:49,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:50:49,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:50:49,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:50:49,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:50:49,068 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:50:49,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:50:49,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:50:49,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:50:49,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:50:49,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:50:49,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:50:49,070 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:50:49,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2024-02-09 23:50:49,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:50:49,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:50:49,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:50:49,373 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:50:49,374 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:50:49,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl [2024-02-09 23:50:49,376 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl' [2024-02-09 23:50:49,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:50:49,400 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:50:49,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:50:49,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:50:49,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:50:49,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,454 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:50:49,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:50:49,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:50:49,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:50:49,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:50:49,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:50:49,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:50:49,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:50:49,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:50:49,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/1) ... [2024-02-09 23:50:49,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:49,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:49,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:49,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-02-09 23:50:49,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-09 23:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-09 23:50:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-09 23:50:49,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-09 23:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-09 23:50:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-09 23:50:49,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:50:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:50:49,560 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:50:49,602 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:50:49,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:50:49,687 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:50:49,693 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:50:49,693 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:50:49,695 INFO L201 PluginConnector]: Adding new model map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:50:49 BoogieIcfgContainer [2024-02-09 23:50:49,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:50:49,696 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:50:49,696 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:50:49,699 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:50:49,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:50:49,700 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:49" (1/2) ... [2024-02-09 23:50:49,701 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f50e67f and model type map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:50:49, skipping insertion in model container [2024-02-09 23:50:49,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:50:49,717 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:50:49" (2/2) ... [2024-02-09 23:50:49,718 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-incr-decr.bpl [2024-02-09 23:50:49,801 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:50:49,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 66 flow [2024-02-09 23:50:49,847 INFO L124 PetriNetUnfolderBase]: 2/22 cut-off events. [2024-02-09 23:50:49,847 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:50:49,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2024-02-09 23:50:49,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 26 transitions, 66 flow [2024-02-09 23:50:49,855 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 22 transitions, 56 flow [2024-02-09 23:50:49,862 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:50:49,862 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:50:49,862 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:50:49,862 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:50:49,862 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:50:49,862 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:50:49,862 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:50:49,863 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-09 23:50:49,863 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 places, 22 transitions, 56 flow [2024-02-09 23:50:49,872 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:49,872 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-09 23:50:49,872 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-09 23:50:49,873 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:49,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:50:49,876 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 places, 22 transitions, 56 flow [2024-02-09 23:50:49,879 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:49,879 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-09 23:50:49,879 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-09 23:50:49,879 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:49,886 INFO L748 eck$LassoCheckResult]: Stem: 33#[$Ultimate##0]true [43] $Ultimate##0-->L17: Formula: (= v_B_1 v_A_5) InVars {A=v_A_5} OutVars{A=v_A_5, B=v_B_1} AuxVars[] AssignedVars[B] 35#[L17]true [35] L17-->L18: Formula: (and (<= 0 v_k_1) (< v_k_1 v_N_5)) InVars {k=v_k_1, N=v_N_5} OutVars{k=v_k_1, N=v_N_5} AuxVars[] AssignedVars[] 37#[L18]true [37] L18-->L20: Formula: (= (select v_A_6 v_k_2) v_ULTIMATE.start_x_1) InVars {A=v_A_6, k=v_k_2} OutVars{A=v_A_6, ULTIMATE.start_x=v_ULTIMATE.start_x_1, k=v_k_2} AuxVars[] AssignedVars[ULTIMATE.start_x] 39#[L20]true [66] L20-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 41#[$Ultimate##0, L20-1]true [52] $Ultimate##0-->L34-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 43#[L34-1, L20-1]true [2024-02-09 23:50:49,886 INFO L750 eck$LassoCheckResult]: Loop: 43#[L34-1, L20-1]true [54] L34-1-->L35: 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[] 46#[L20-1, L35]true [56] L35-->L37: Formula: (= v_A_1 (store v_A_2 v_thread1Thread1of1ForFork0_i_7 (+ (select v_A_2 v_thread1Thread1of1ForFork0_i_7) 1))) InVars {A=v_A_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} AuxVars[] AssignedVars[A] 48#[L20-1, L37]true [57] L37-->L34-1: Formula: (= v_thread1Thread1of1ForFork0_i_10 (+ v_thread1Thread1of1ForFork0_i_9 1)) InVars {thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_9} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 43#[L34-1, L20-1]true [2024-02-09 23:50:49,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:49,895 INFO L85 PathProgramCache]: Analyzing trace with hash 69420894, now seen corresponding path program 1 times [2024-02-09 23:50:49,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:49,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683046693] [2024-02-09 23:50:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:49,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:49,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:49,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:49,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:49,988 INFO L85 PathProgramCache]: Analyzing trace with hash 83478, now seen corresponding path program 1 times [2024-02-09 23:50:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:49,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84846439] [2024-02-09 23:50:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:49,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:49,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:50,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:50,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2056329831, now seen corresponding path program 1 times [2024-02-09 23:50:50,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:50,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027232559] [2024-02-09 23:50:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:50,132 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:50:50,133 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:50:50,133 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:50:50,133 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:50:50,133 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:50:50,133 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:50,134 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:50:50,134 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:50:50,134 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-decr.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:50:50,134 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:50:50,134 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:50:50,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:50,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:50,287 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:50:50,290 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:50:50,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:50,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:50,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:50,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-02-09 23:50:50,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:50,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:50,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:50,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:50,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:50,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:50,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:50,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:50,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:50,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:50,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:50,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:50,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-02-09 23:50:50,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:50,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:50,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:50,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:50,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:50,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:50,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:50,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:50:50,413 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-09 23:50:50,414 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:50:50,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:50,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:50,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:50:50,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-02-09 23:50:50,490 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:50:50,490 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:50:50,490 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-09 23:50:50,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:50,507 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:50:50,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:50,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:50:50,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:50,556 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:50:50,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:50:50,607 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-09 23:50:50,609 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:50:50,679 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 [2024-02-09 23:50:50,765 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 322 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:50:50,766 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:50:50,766 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:50:50,772 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:50:50,773 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:50:50,779 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 [2024-02-09 23:50:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:50:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2024-02-09 23:50:50,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 124 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:50:50,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:50,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 124 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:50:50,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:50,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 124 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:50:50,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:50,790 INFO L428 stractBuchiCegarLoop]: Abstraction has has 45 places, 540 transitions, 2442 flow [2024-02-09 23:50:50,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:50:50,790 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 45 places, 540 transitions, 2442 flow [2024-02-09 23:50:50,843 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:50,843 INFO L124 PetriNetUnfolderBase]: 100/170 cut-off events. [2024-02-09 23:50:50,844 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-02-09 23:50:50,844 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:50,846 INFO L748 eck$LassoCheckResult]: Stem: 33#[$Ultimate##0]true [43] $Ultimate##0-->L17: Formula: (= v_B_1 v_A_5) InVars {A=v_A_5} OutVars{A=v_A_5, B=v_B_1} AuxVars[] AssignedVars[B] 35#[L17]true [35] L17-->L18: Formula: (and (<= 0 v_k_1) (< v_k_1 v_N_5)) InVars {k=v_k_1, N=v_N_5} OutVars{k=v_k_1, N=v_N_5} AuxVars[] AssignedVars[] 37#[L18]true [37] L18-->L20: Formula: (= (select v_A_6 v_k_2) v_ULTIMATE.start_x_1) InVars {A=v_A_6, k=v_k_2} OutVars{A=v_A_6, ULTIMATE.start_x=v_ULTIMATE.start_x_1, k=v_k_2} AuxVars[] AssignedVars[ULTIMATE.start_x] 39#[L20]true [66] L20-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 41#[$Ultimate##0, L20-1]true [69] L20-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_14, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 124#[$Ultimate##0, $Ultimate##0, L21]true [58] $Ultimate##0-->L47-1: Formula: (= v_thread2Thread1of1ForFork1_i_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 126#[$Ultimate##0, L21, L47-1]true [60] L47-1-->L48: Formula: (< v_thread2Thread1of1ForFork1_i_5 v_N_4) InVars {thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_5, N=v_N_4} AuxVars[] AssignedVars[] 128#[$Ultimate##0, L21, L48]true [62] L48-->L50: Formula: (= (store v_A_4 v_thread2Thread1of1ForFork1_i_7 (+ (- 1) (select v_A_4 v_thread2Thread1of1ForFork1_i_7))) v_A_3) InVars {A=v_A_4, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_7} OutVars{A=v_A_3, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_7} AuxVars[] AssignedVars[A] 130#[L50, $Ultimate##0, L21]true [63] L50-->L47-1: Formula: (= (+ v_thread2Thread1of1ForFork1_i_9 1) v_thread2Thread1of1ForFork1_i_10) InVars {thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_9} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_10} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 126#[$Ultimate##0, L21, L47-1]true [2024-02-09 23:50:50,846 INFO L750 eck$LassoCheckResult]: Loop: 126#[$Ultimate##0, L21, L47-1]true [60] L47-1-->L48: Formula: (< v_thread2Thread1of1ForFork1_i_5 v_N_4) InVars {thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_5, N=v_N_4} AuxVars[] AssignedVars[] 128#[$Ultimate##0, L21, L48]true [62] L48-->L50: Formula: (= (store v_A_4 v_thread2Thread1of1ForFork1_i_7 (+ (- 1) (select v_A_4 v_thread2Thread1of1ForFork1_i_7))) v_A_3) InVars {A=v_A_4, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_7} OutVars{A=v_A_3, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_7} AuxVars[] AssignedVars[A] 130#[L50, $Ultimate##0, L21]true [63] L50-->L47-1: Formula: (= (+ v_thread2Thread1of1ForFork1_i_9 1) v_thread2Thread1of1ForFork1_i_10) InVars {thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_9} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_10} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 126#[$Ultimate##0, L21, L47-1]true [60] L47-1-->L48: Formula: (< v_thread2Thread1of1ForFork1_i_5 v_N_4) InVars {thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_5, N=v_N_4} AuxVars[] AssignedVars[] 128#[$Ultimate##0, L21, L48]true [62] L48-->L50: Formula: (= (store v_A_4 v_thread2Thread1of1ForFork1_i_7 (+ (- 1) (select v_A_4 v_thread2Thread1of1ForFork1_i_7))) v_A_3) InVars {A=v_A_4, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_7} OutVars{A=v_A_3, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_7} AuxVars[] AssignedVars[A] 130#[L50, $Ultimate##0, L21]true [63] L50-->L47-1: Formula: (= (+ v_thread2Thread1of1ForFork1_i_9 1) v_thread2Thread1of1ForFork1_i_10) InVars {thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_9} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_10} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 126#[$Ultimate##0, L21, L47-1]true [2024-02-09 23:50:50,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:50,847 INFO L85 PathProgramCache]: Analyzing trace with hash 694107762, now seen corresponding path program 1 times [2024-02-09 23:50:50,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:50,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15016012] [2024-02-09 23:50:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:50,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:50,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:50,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1630519775, now seen corresponding path program 1 times [2024-02-09 23:50:50,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:50,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654398213] [2024-02-09 23:50:50,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:50,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:50,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash 552149970, now seen corresponding path program 2 times [2024-02-09 23:50:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:50,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828168771] [2024-02-09 23:50:50,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:50,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:51,067 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:50:51,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:50:51,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:50:51,068 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:50:51,068 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:50:51,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,068 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:50:51,068 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:50:51,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-decr.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:50:51,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:50:51,069 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:50:51,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:51,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:51,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:51,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:51,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:51,261 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:50:51,261 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:50:51,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-02-09 23:50:51,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:51,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:51,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:51,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:51,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:51,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:51,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:51,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:51,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:51,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,293 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-02-09 23:50:51,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:51,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:51,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:51,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:51,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:51,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:51,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:51,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:51,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-02-09 23:50:51,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:51,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:51,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:51,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:51,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:51,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:51,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:51,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:51,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:51,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:51,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,418 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-02-09 23:50:51,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:51,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:51,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:51,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:51,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:51,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:51,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:51,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:51,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:51,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,501 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-02-09 23:50:51,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:51,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:51,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:51,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:51,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:51,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:51,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:51,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:51,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:51,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-09 23:50:51,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,534 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-02-09 23:50:51,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:51,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:51,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:51,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:51,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:51,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:51,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:51,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:50:51,588 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-02-09 23:50:51,588 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-02-09 23:50:51,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:51,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:51,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:51,610 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:50:51,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-02-09 23:50:51,632 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:50:51,633 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:50:51,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_i, N) = -1*thread2Thread1of1ForFork1_i + 1*N Supporting invariants [] [2024-02-09 23:50:51,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:51,640 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:50:51,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:51,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:50:51,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:51,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-09 23:50:51,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:50:51,714 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-02-09 23:50:51,714 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:50:51,779 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 8 states and 298 transitions.5 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:50:51,779 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:50:51,779 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:50:51,873 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:50:51,873 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:50:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:50:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:50:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 98 transitions. [2024-02-09 23:50:51,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 98 transitions. Stem has 9 letters. Loop has 6 letters. [2024-02-09 23:50:51,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:51,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 98 transitions. Stem has 15 letters. Loop has 6 letters. [2024-02-09 23:50:51,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:51,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 98 transitions. Stem has 9 letters. Loop has 12 letters. [2024-02-09 23:50:51,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:51,880 INFO L428 stractBuchiCegarLoop]: Abstraction has has 61 places, 12232 transitions, 79380 flow [2024-02-09 23:50:51,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:50:51,880 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 61 places, 12232 transitions, 79380 flow [2024-02-09 23:50:51,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:52,693 INFO L124 PetriNetUnfolderBase]: 2000/2966 cut-off events. [2024-02-09 23:50:52,694 INFO L125 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES. [2024-02-09 23:50:52,694 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2024-02-09 23:50:52,699 INFO L201 PluginConnector]: Adding new model map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:50:52 BoogieIcfgContainer [2024-02-09 23:50:52,699 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:50:52,700 INFO L158 Benchmark]: Toolchain (without parser) took 3299.61ms. Allocated memory was 205.5MB in the beginning and 299.9MB in the end (delta: 94.4MB). Free memory was 171.3MB in the beginning and 163.1MB in the end (delta: 8.2MB). Peak memory consumption was 156.1MB. Max. memory is 8.0GB. [2024-02-09 23:50:52,700 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.82ms. Allocated memory is still 205.5MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:50:52,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.09ms. Allocated memory is still 205.5MB. Free memory was 170.8MB in the beginning and 181.7MB in the end (delta: -10.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-02-09 23:50:52,701 INFO L158 Benchmark]: Boogie Preprocessor took 16.00ms. Allocated memory is still 205.5MB. Free memory was 181.7MB in the beginning and 180.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-09 23:50:52,701 INFO L158 Benchmark]: RCFGBuilder took 213.63ms. Allocated memory is still 205.5MB. Free memory was 180.7MB in the beginning and 171.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-09 23:50:52,702 INFO L158 Benchmark]: BuchiAutomizer took 3003.64ms. Allocated memory was 205.5MB in the beginning and 299.9MB in the end (delta: 94.4MB). Free memory was 171.2MB in the beginning and 163.1MB in the end (delta: 8.2MB). Peak memory consumption was 156.3MB. Max. memory is 8.0GB. [2024-02-09 23:50:52,703 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 0.82ms. Allocated memory is still 205.5MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.09ms. Allocated memory is still 205.5MB. Free memory was 170.8MB in the beginning and 181.7MB in the end (delta: -10.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.00ms. Allocated memory is still 205.5MB. Free memory was 181.7MB in the beginning and 180.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 213.63ms. Allocated memory is still 205.5MB. Free memory was 180.7MB in the beginning and 171.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3003.64ms. Allocated memory was 205.5MB in the beginning and 299.9MB in the end (delta: 94.4MB). Free memory was 171.2MB in the beginning and 163.1MB in the end (delta: 8.2MB). Peak memory consumption was 156.3MB. 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 2 terminating modules (0 trivial, 2 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 -1 * i + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 104 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp90 ukn67 mio100 lsp64 div100 bol100 ite100 ukn100 eq162 hnf91 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 23:50:52,721 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...