/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 false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:37:35,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:37:35,495 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 01:37:35,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:37:35,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:37:35,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:37:35,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:37:35,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:37:35,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:37:35,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:37:35,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:37:35,540 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:37:35,540 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:37:35,541 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:37:35,541 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:37:35,541 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:37:35,541 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:37:35,542 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:37:35,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:37:35,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:37:35,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:37:35,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:37:35,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:37:35,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:37:35,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:37:35,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:37:35,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:37:35,546 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:37:35,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:37:35,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:37:35,546 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:37:35,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:37:35,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:37:35,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:37:35,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:37:35,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:37:35,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:37:35,548 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:37:35,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:37:35,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:37:35,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:37:35,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:37:35,871 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:37:35,872 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:37:35,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl [2024-02-10 01:37:35,873 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl' [2024-02-10 01:37:35,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:37:35,895 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:37:35,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:35,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:37:35,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:37:35,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,927 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:37:35,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:35,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:37:35,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:37:35,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:37:35,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:37:35,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:37:35,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:37:35,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:37:35,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/1) ... [2024-02-10 01:37:35,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:35,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:36,054 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 01:37:36,076 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 01:37:36,103 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:37:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:37:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:37:36,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2024-02-10 01:37:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2024-02-10 01:37:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2024-02-10 01:37:36,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2024-02-10 01:37:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2024-02-10 01:37:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2024-02-10 01:37:36,106 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 01:37:36,156 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:37:36,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:37:36,290 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:37:36,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:37:36,299 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 01:37:36,309 INFO L201 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:36 BoogieIcfgContainer [2024-02-10 01:37:36,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:37:36,310 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:37:36,310 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:37:36,318 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:37:36,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:36,319 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:35" (1/2) ... [2024-02-10 01:37:36,320 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f55170a and model type sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:37:36, skipping insertion in model container [2024-02-10 01:37:36,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:36,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:36" (2/2) ... [2024-02-10 01:37:36,322 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum_diff_incr_decr.bpl [2024-02-10 01:37:36,363 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 01:37:36,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 64 flow [2024-02-10 01:37:36,408 INFO L124 PetriNetUnfolderBase]: 2/21 cut-off events. [2024-02-10 01:37:36,409 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 01:37:36,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2024-02-10 01:37:36,413 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 64 flow [2024-02-10 01:37:36,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 21 transitions, 54 flow [2024-02-10 01:37:36,423 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:37:36,423 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:37:36,423 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:37:36,423 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:37:36,423 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:37:36,423 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:37:36,423 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:37:36,423 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:37:36,423 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:36,424 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 26 places, 21 transitions, 54 flow [2024-02-10 01:37:36,439 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 61 states, 59 states have (on average 1.9661016949152543) internal successors, (116), 60 states have internal predecessors, (116), 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 01:37:36,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 61 states, 59 states have (on average 1.9661016949152543) internal successors, (116), 60 states have internal predecessors, (116), 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 01:37:36,464 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 40 [2024-02-10 01:37:36,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:36,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:36,469 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:37:36,469 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:36,470 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 26 places, 21 transitions, 54 flow [2024-02-10 01:37:36,482 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 61 states, 59 states have (on average 1.9661016949152543) internal successors, (116), 60 states have internal predecessors, (116), 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 01:37:36,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 61 states, 59 states have (on average 1.9661016949152543) internal successors, (116), 60 states have internal predecessors, (116), 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 01:37:36,488 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 40 [2024-02-10 01:37:36,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:36,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:36,493 INFO L748 eck$LassoCheckResult]: Stem: Black: 155#[$Ultimate##0]don't care [42] $Ultimate##0-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[] 158#[L45]don't care [67] L45-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0] 160#[L45-1, $Ultimate##0]don't care [52] $Ultimate##0-->L16-1: Formula: (= v_T1Thread1of1ForFork0_i_1 0) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i] 162#[L16-1, L45-1]don't care [2024-02-10 01:37:36,493 INFO L750 eck$LassoCheckResult]: Loop: 162#[L16-1, L45-1]don't care [54] L16-1-->L17: Formula: (< v_T1Thread1of1ForFork0_i_5 v_N_3) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} AuxVars[] AssignedVars[] 168#[L45-1, L17]don't care [56] L17-->L17-1: Formula: (and (= v_A_7 (store v_A_8 v_T1Thread1of1ForFork0_i_7 (+ (select v_A_8 v_T1Thread1of1ForFork0_i_7) 1))) (= (store v_B_8 v_T1Thread1of1ForFork0_i_7 (+ (- 1) (select v_B_8 v_T1Thread1of1ForFork0_i_7))) v_B_7)) InVars {A=v_A_8, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_8} OutVars{A=v_A_7, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_7} AuxVars[] AssignedVars[A, B] 178#[L45-1, L17-1]don't care [57] L17-1-->L16-1: Formula: (= (+ v_T1Thread1of1ForFork0_i_9 1) v_T1Thread1of1ForFork0_i_10) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_9} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_10} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i] 162#[L16-1, L45-1]don't care [2024-02-10 01:37:36,497 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash 72282, now seen corresponding path program 1 times [2024-02-10 01:37:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:36,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431106203] [2024-02-10 01:37:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:36,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:36,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:36,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:36,609 INFO L85 PathProgramCache]: Analyzing trace with hash 83478, now seen corresponding path program 1 times [2024-02-10 01:37:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:36,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605061696] [2024-02-10 01:37:36,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:36,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:36,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:36,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:36,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:36,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2141560547, now seen corresponding path program 1 times [2024-02-10 01:37:36,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:36,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333165860] [2024-02-10 01:37:36,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:36,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:36,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:36,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:36,757 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:36,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:36,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:36,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:36,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:36,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:36,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:36,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:36,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:37:36,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:36,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:36,775 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 01:37:36,783 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 01:37:36,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:36,852 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:36,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:36,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:36,856 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 01:37:36,861 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 01:37:36,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:36,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:36,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:36,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:36,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:36,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:36,880 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 01:37:36,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:36,911 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 01:37:36,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:36,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:36,914 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 01:37:36,920 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 01:37:36,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:36,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:36,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:36,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:36,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:36,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:36,938 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 01:37:36,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:36,971 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-10 01:37:36,971 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:37:36,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:36,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:36,978 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 01:37:36,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:36,996 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 01:37:37,010 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:37,011 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:37,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T1Thread1of1ForFork0_i, N) = -1*T1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-10 01:37:37,016 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 01:37:37,019 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:37,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:37,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:37,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:37,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:37,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:37,099 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 01:37:37,133 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 01:37:37,134 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:37,250 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 309 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:37:37,251 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:37,252 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:37,262 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:37,263 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:37,264 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 01:37:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 119 transitions. [2024-02-10 01:37:37,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 119 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-10 01:37:37,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:37,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 119 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-10 01:37:37,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:37,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 119 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-10 01:37:37,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:37,276 INFO L428 stractBuchiCegarLoop]: Abstraction has has 44 places, 514 transitions, 2338 flow [2024-02-10 01:37:37,276 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:37:37,276 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:37,276 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 44 places, 514 transitions, 2338 flow [2024-02-10 01:37:37,300 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 182 states, 172 states have (on average 2.5697674418604652) internal successors, (442), 181 states have internal predecessors, (442), 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 01:37:37,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 182 states, 172 states have (on average 2.5697674418604652) internal successors, (442), 181 states have internal predecessors, (442), 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 01:37:37,310 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 56 [2024-02-10 01:37:37,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:37,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:37,311 INFO L748 eck$LassoCheckResult]: Stem: Black: 330#[$Ultimate##0]don't care [42] $Ultimate##0-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[] Black: 333#[L45]don't care [67] L45-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0] Black: 338#[L45-1, $Ultimate##0]don't care [70] L45-1-->$Ultimate##0: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j] Black: 346#[$Ultimate##0, $Ultimate##0, L46]don't care [58] $Ultimate##0-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_1 0) InVars {} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j] 360#[$Ultimate##0, L46, L31-1]don't care [2024-02-10 01:37:37,312 INFO L750 eck$LassoCheckResult]: Loop: 360#[$Ultimate##0, L46, L31-1]don't care [60] L31-1-->L32: Formula: (< v_T2Thread1of1ForFork1_j_5 v_N_4) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] Black: 399#[$Ultimate##0, L32, L46]don't care [62] L32-->L33: Formula: (= (store v_C_4 v_T2Thread1of1ForFork1_j_7 (+ (select v_B_5 v_T2Thread1of1ForFork1_j_7) (select v_A_5 v_T2Thread1of1ForFork1_j_7))) v_C_3) InVars {A=v_A_5, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, C=v_C_4, B=v_B_5} OutVars{A=v_A_5, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, C=v_C_3, B=v_B_5} AuxVars[] AssignedVars[C] 459#[L33, $Ultimate##0, L46]don't care [63] L33-->L34: Formula: (= (store v_D_2 v_T2Thread1of1ForFork1_j_9 (+ (select v_A_6 v_T2Thread1of1ForFork1_j_9) (* (- 1) (select v_B_6 v_T2Thread1of1ForFork1_j_9)))) v_D_1) InVars {A=v_A_6, D=v_D_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_6} OutVars{A=v_A_6, D=v_D_1, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_6} AuxVars[] AssignedVars[D] Black: 553#[$Ultimate##0, L46, L34]don't care [64] L34-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_12 (+ v_T2Thread1of1ForFork1_j_11 1)) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_11} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_12} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j] 360#[$Ultimate##0, L46, L31-1]don't care [2024-02-10 01:37:37,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2241358, now seen corresponding path program 1 times [2024-02-10 01:37:37,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:37,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080895909] [2024-02-10 01:37:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:37,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:37,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:37,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2772580, now seen corresponding path program 1 times [2024-02-10 01:37:37,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:37,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729337836] [2024-02-10 01:37:37,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:37,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:37,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:37,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:37,333 INFO L85 PathProgramCache]: Analyzing trace with hash -231206095, now seen corresponding path program 1 times [2024-02-10 01:37:37,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:37,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061627620] [2024-02-10 01:37:37,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:37,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:37,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:37,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:37,412 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:37,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:37,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:37,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:37,413 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:37,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:37,413 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:37,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:37:37,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:37,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:37,416 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 01:37:37,419 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 01:37:37,421 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 01:37:37,423 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 01:37:37,425 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 01:37:37,499 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:37,500 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:37,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,507 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 01:37:37,508 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 01:37:37,512 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 01:37:37,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:37,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:37,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:37,539 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 01:37:37,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,541 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 01:37:37,544 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 01:37:37,544 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 01:37:37,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:37:37,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:37:37,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:37:37,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:37,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-02-10 01:37:37,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,580 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 01:37:37,585 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 01:37:37,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,593 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 01:37:37,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:37,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:37,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:37,612 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 01:37:37,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,614 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 01:37:37,616 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 01:37:37,617 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 01:37:37,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:37,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:37,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:37,646 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 01:37:37,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,653 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 01:37:37,659 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 01:37:37,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:37:37,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:37:37,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:37:37,672 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 01:37:37,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:37,680 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 01:37:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,682 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 01:37:37,682 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 01:37:37,684 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 01:37:37,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:37:37,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:37:37,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:37:37,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:37,699 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 01:37:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,701 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 01:37:37,703 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 01:37:37,703 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 01:37:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:37,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:37,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:37,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:37,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:37,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:37,732 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:37,742 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-02-10 01:37:37,742 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:37:37,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:37,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:37,745 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 01:37:37,751 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 01:37:37,751 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:37,759 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:37,759 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:37,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T2Thread1of1ForFork1_j, N) = -1*T2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2024-02-10 01:37:37,762 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 01:37:37,763 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:37,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:37,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:37,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:37,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:37,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:37,815 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 01:37:37,815 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 01:37:37,816 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) [2024-02-10 01:37:37,911 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 309 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:37:37,912 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:37,912 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:37,968 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:37,968 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:37,969 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 01:37:37,969 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) [2024-02-10 01:37:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 119 transitions. [2024-02-10 01:37:37,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 119 transitions. Stem has 4 letters. Loop has 4 letters. [2024-02-10 01:37:37,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:37,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 119 transitions. Stem has 8 letters. Loop has 4 letters. [2024-02-10 01:37:37,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:37,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 119 transitions. Stem has 4 letters. Loop has 8 letters. [2024-02-10 01:37:37,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:37,971 INFO L428 stractBuchiCegarLoop]: Abstraction has has 62 places, 12532 transitions, 81744 flow [2024-02-10 01:37:37,971 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:37:37,971 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:37,971 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 62 places, 12532 transitions, 81744 flow [2024-02-10 01:37:38,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:38,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-02-10 01:37:38,497 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 461 states, 407 states have (on average 3.42014742014742) internal successors, (1392), 460 states have internal predecessors, (1392), 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 01:37:38,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 461 states, 407 states have (on average 3.42014742014742) internal successors, (1392), 460 states have internal predecessors, (1392), 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 01:37:38,513 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-10 01:37:38,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-10 01:37:38,520 INFO L201 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:37:38 BoogieIcfgContainer [2024-02-10 01:37:38,520 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:37:38,524 INFO L158 Benchmark]: Toolchain (without parser) took 2626.32ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 151.5MB in the beginning and 211.8MB in the end (delta: -60.3MB). Peak memory consumption was 138.4MB. Max. memory is 8.0GB. [2024-02-10 01:37:38,525 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:37:38,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.56ms. Allocated memory is still 184.5MB. Free memory was 151.4MB in the beginning and 149.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-10 01:37:38,526 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 148.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 01:37:38,526 INFO L158 Benchmark]: RCFGBuilder took 358.27ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 139.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 01:37:38,528 INFO L158 Benchmark]: BuchiAutomizer took 2210.34ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 139.0MB in the beginning and 211.8MB in the end (delta: -72.8MB). Peak memory consumption was 124.8MB. Max. memory is 8.0GB. [2024-02-10 01:37:38,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.56ms. Allocated memory is still 184.5MB. Free memory was 151.4MB in the beginning and 149.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 148.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 358.27ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 139.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2210.34ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 139.0MB in the beginning and 211.8MB in the end (delta: -72.8MB). Peak memory consumption was 124.8MB. 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 N + -1 * i and consists of 5 locations. One deterministic module has affine ranking function N + -1 * j and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 92 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital52 mio100 ax100 hnf100 lsp88 ukn50 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms 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! [2024-02-10 01:37:38,550 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...