/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/sum2_diff_incr_decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:37:32,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:37:32,734 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 01:37:32,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:37:32,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:37:32,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:37:32,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:37:32,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:37:32,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:37:32,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:37:32,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:37:32,757 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:37:32,758 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:37:32,758 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:37:32,758 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:37:32,758 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:37:32,759 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:37:32,759 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:37:32,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:37:32,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:37:32,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:37:32,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:37:32,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:37:32,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:37:32,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:37:32,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:37:32,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:37:32,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:37:32,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:37:32,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:37:32,768 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:37:32,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:37:32,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:37:32,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:37:32,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:37:32,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:37:32,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:37:32,782 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:37:32,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:37:33,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:37:33,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:37:33,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:37:33,088 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:37:33,089 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:37:33,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum2_diff_incr_decr.bpl [2024-02-10 01:37:33,090 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum2_diff_incr_decr.bpl' [2024-02-10 01:37:33,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:37:33,115 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:37:33,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:33,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:37:33,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:37:33,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,141 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:37:33,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:33,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:37:33,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:37:33,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:37:33,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:37:33,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:37:33,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:37:33,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:37:33,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/1) ... [2024-02-10 01:37:33,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:33,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:33,330 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 01:37:33,333 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 01:37:33,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:37:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:37:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:37:33,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2024-02-10 01:37:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2024-02-10 01:37:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2024-02-10 01:37:33,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2024-02-10 01:37:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2024-02-10 01:37:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2024-02-10 01:37:33,387 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 01:37:33,428 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:37:33,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:37:33,498 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:37:33,507 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:37:33,507 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 01:37:33,509 INFO L201 PluginConnector]: Adding new model sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:33 BoogieIcfgContainer [2024-02-10 01:37:33,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:37:33,510 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:37:33,510 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:37:33,512 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:37:33,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:33,513 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:33" (1/2) ... [2024-02-10 01:37:33,514 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58930f66 and model type sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:37:33, skipping insertion in model container [2024-02-10 01:37:33,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:33,514 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:33" (2/2) ... [2024-02-10 01:37:33,515 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum2_diff_incr_decr.bpl [2024-02-10 01:37:33,566 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 01:37:33,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 68 flow [2024-02-10 01:37:33,603 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-02-10 01:37:33,603 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 01:37:33,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 2/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2024-02-10 01:37:33,607 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 27 transitions, 68 flow [2024-02-10 01:37:33,610 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 23 transitions, 58 flow [2024-02-10 01:37:33,616 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:37:33,616 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:37:33,616 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:37:33,616 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:37:33,616 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:37:33,616 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:37:33,616 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:37:33,617 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:37:33,617 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:33,618 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 28 places, 23 transitions, 58 flow [2024-02-10 01:37:33,635 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 85 states, 83 states have (on average 1.9879518072289157) internal successors, (165), 84 states have internal predecessors, (165), 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 01:37:33,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 83 states have (on average 1.9879518072289157) internal successors, (165), 84 states have internal predecessors, (165), 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 01:37:33,654 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 56 [2024-02-10 01:37:33,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:33,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:33,658 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:37:33,658 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:33,658 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 28 places, 23 transitions, 58 flow [2024-02-10 01:37:33,665 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 85 states, 83 states have (on average 1.9879518072289157) internal successors, (165), 84 states have internal predecessors, (165), 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 01:37:33,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 83 states have (on average 1.9879518072289157) internal successors, (165), 84 states have internal predecessors, (165), 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 01:37:33,669 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 56 [2024-02-10 01:37:33,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:33,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:33,677 INFO L748 eck$LassoCheckResult]: Stem: Black: 205#[$Ultimate##0]don't care [74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum] 208#[L46, $Ultimate##0]don't care [56] $Ultimate##0-->L16: Formula: (= v_T1Thread1of1ForFork0_i_1 0) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i] 210#[L46, L16]don't care [57] L16-->L17-1: Formula: (= v_T1Thread1of1ForFork0_sum_1 0) InVars {} OutVars{T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_sum] 214#[L46, L17-1]don't care [2024-02-10 01:37:33,678 INFO L750 eck$LassoCheckResult]: Loop: 214#[L46, L17-1]don't care [59] L17-1-->L18: Formula: (< v_T1Thread1of1ForFork0_i_5 v_N_2) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_2} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_2} AuxVars[] AssignedVars[] 224#[L46, L18]don't care [61] L18-->L18-1: Formula: (and (= v_B_6 (store v_B_7 v_T1Thread1of1ForFork0_i_7 (+ (- 1) (select v_B_7 v_T1Thread1of1ForFork0_i_7)))) (= (store v_A_7 v_T1Thread1of1ForFork0_i_7 (+ (select v_A_7 v_T1Thread1of1ForFork0_i_7) 1)) v_A_6)) InVars {A=v_A_7, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_7} OutVars{A=v_A_6, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_6} AuxVars[] AssignedVars[A, B] 238#[L46, L18-1]don't care [62] L18-1-->L23: Formula: (= v_T1Thread1of1ForFork0_sum_4 (+ (select v_B_3 v_T1Thread1of1ForFork0_i_9) (select v_A_3 v_T1Thread1of1ForFork0_i_9) v_T1Thread1of1ForFork0_sum_3)) InVars {A=v_A_3, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_9, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_3, B=v_B_3} OutVars{A=v_A_3, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_9, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_4, B=v_B_3} AuxVars[] AssignedVars[T1Thread1of1ForFork0_sum] 256#[L23, L46]don't care [63] L23-->L17-1: Formula: (= (+ v_T1Thread1of1ForFork0_i_11 1) v_T1Thread1of1ForFork0_i_12) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_11} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i] 214#[L46, L17-1]don't care [2024-02-10 01:37:33,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:33,683 INFO L85 PathProgramCache]: Analyzing trace with hash 102698, now seen corresponding path program 1 times [2024-02-10 01:37:33,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:33,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479332020] [2024-02-10 01:37:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:33,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:33,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:33,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:33,767 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:33,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2741796, now seen corresponding path program 1 times [2024-02-10 01:37:33,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:33,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674965429] [2024-02-10 01:37:33,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:33,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:33,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:33,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:33,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:33,794 INFO L85 PathProgramCache]: Analyzing trace with hash 356297421, now seen corresponding path program 1 times [2024-02-10 01:37:33,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:33,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542797632] [2024-02-10 01:37:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:33,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:33,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:33,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:33,964 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:33,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:33,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:33,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:33,964 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:33,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:33,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:33,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:33,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum2_diff_incr_decr.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:37:33,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:33,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:33,976 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 01:37:33,984 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 01:37:34,070 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:34,073 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,076 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 01:37:34,077 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 01:37:34,078 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 01:37:34,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:34,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:34,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:34,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:34,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:34,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:34,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:34,118 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 01:37:34,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,121 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 01:37:34,125 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 01:37:34,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:34,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:34,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:34,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:34,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:34,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:34,143 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 01:37:34,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:34,157 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 01:37:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,182 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 01:37:34,198 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 01:37:34,199 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 01:37:34,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:34,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:34,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:34,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:34,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:34,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:34,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:34,246 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-10 01:37:34,246 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-02-10 01:37:34,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,250 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 01:37:34,262 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 01:37:34,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:34,287 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:34,288 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:34,288 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T1Thread1of1ForFork0_i, N) = -1*T1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-10 01:37:34,295 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 01:37:34,298 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:34,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:34,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:34,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:34,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:34,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:34,368 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 01:37:34,396 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 01:37:34,398 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 01:37:34,489 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 335 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:37:34,490 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:34,490 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:34,495 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:34,495 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:34,499 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 01:37:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 01:37:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-02-10 01:37:34,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 3 letters. Loop has 4 letters. [2024-02-10 01:37:34,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:34,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 01:37:34,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:34,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 3 letters. Loop has 8 letters. [2024-02-10 01:37:34,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:34,513 INFO L428 stractBuchiCegarLoop]: Abstraction has has 46 places, 566 transitions, 2546 flow [2024-02-10 01:37:34,515 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:37:34,515 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:34,515 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 46 places, 566 transitions, 2546 flow [2024-02-10 01:37:34,544 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 255 states, 245 states have (on average 2.6) internal successors, (637), 254 states have internal predecessors, (637), 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 01:37:34,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 255 states, 245 states have (on average 2.6) internal successors, (637), 254 states have internal predecessors, (637), 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 01:37:34,553 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 72 [2024-02-10 01:37:34,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:34,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:34,554 INFO L748 eck$LassoCheckResult]: Stem: Black: 431#[$Ultimate##0]don't care [74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum] Black: 434#[L46, $Ultimate##0]don't care [77] L46-->$Ultimate##0: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_8, T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j] 447#[L47, $Ultimate##0, $Ultimate##0]don't care [64] $Ultimate##0-->L33: Formula: (= v_T2Thread1of1ForFork1_j_1 0) InVars {} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j] Black: 471#[L47, L33, $Ultimate##0]don't care [65] L33-->L34-1: Formula: (= v_T2Thread1of1ForFork1_sum_1 0) InVars {} OutVars{T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_1} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum] 503#[L47, $Ultimate##0, L34-1]don't care [2024-02-10 01:37:34,555 INFO L750 eck$LassoCheckResult]: Loop: 503#[L47, $Ultimate##0, L34-1]don't care [67] L34-1-->L35: Formula: (< v_T2Thread1of1ForFork1_j_5 v_N_3) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_3} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_3} AuxVars[] AssignedVars[] Black: 572#[L47, $Ultimate##0, L35]don't care [69] L35-->L36: Formula: (= (+ (select v_A_4 v_T2Thread1of1ForFork1_j_7) v_T2Thread1of1ForFork1_sum_3 (select v_B_4 v_T2Thread1of1ForFork1_j_7)) v_T2Thread1of1ForFork1_sum_4) InVars {A=v_A_4, T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_3, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, B=v_B_4} OutVars{A=v_A_4, T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_4, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, B=v_B_4} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum] 653#[L47, L36, $Ultimate##0]don't care [70] L36-->L37: Formula: (= (store v_D_2 v_T2Thread1of1ForFork1_j_9 (+ (select v_A_5 v_T2Thread1of1ForFork1_j_9) (* (- 1) (select v_B_5 v_T2Thread1of1ForFork1_j_9)))) v_D_1) InVars {A=v_A_5, D=v_D_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_5} OutVars{A=v_A_5, D=v_D_1, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_5} AuxVars[] AssignedVars[D] Black: 749#[L47, $Ultimate##0, L37]don't care [71] L37-->L34-1: 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] 503#[L47, $Ultimate##0, L34-1]don't care [2024-02-10 01:37:34,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash 3204101, now seen corresponding path program 1 times [2024-02-10 01:37:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868406206] [2024-02-10 01:37:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:34,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:34,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:34,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:34,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:34,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2988068, now seen corresponding path program 1 times [2024-02-10 01:37:34,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:34,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207909363] [2024-02-10 01:37:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:34,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:34,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:34,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash -175842776, now seen corresponding path program 1 times [2024-02-10 01:37:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:34,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807262939] [2024-02-10 01:37:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:34,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:34,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:34,628 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:34,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:34,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:34,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:34,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:34,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:34,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:34,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum2_diff_incr_decr.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:37:34,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:34,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:34,630 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 01:37:34,632 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 01:37:34,649 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 01:37:34,651 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 01:37:34,653 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 01:37:34,655 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 01:37:34,711 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:34,712 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:34,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,716 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 01:37:34,720 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 01:37:34,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 01:37:34,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:34,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:34,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:34,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:34,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:34,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:34,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:34,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:34,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,753 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 01:37:34,757 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 01:37:34,760 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 01:37:34,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:34,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:37:34,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:34,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:34,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:34,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:37:34,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:37:34,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:34,785 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 01:37:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,787 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 01:37:34,792 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 01:37:34,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:34,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:34,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:34,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:34,802 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 01:37:34,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:34,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:34,822 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:34,827 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 01:37:34,827 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 01:37:34,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:34,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:34,830 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 01:37:34,834 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 01:37:34,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:34,852 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:34,852 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:34,852 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T2Thread1of1ForFork1_j, N) = -1*T2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2024-02-10 01:37:34,865 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 01:37:34,866 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:34,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:34,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:34,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:34,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:34,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:34,924 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 01:37:34,925 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 01:37:34,926 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 01:37:35,025 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 335 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:37:35,026 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:35,026 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:35,091 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:35,091 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:35,092 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 01:37:35,094 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 01:37:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-02-10 01:37:35,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 4 letters. Loop has 4 letters. [2024-02-10 01:37:35,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:35,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 8 letters. Loop has 4 letters. [2024-02-10 01:37:35,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:35,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 4 letters. Loop has 8 letters. [2024-02-10 01:37:35,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:35,101 INFO L428 stractBuchiCegarLoop]: Abstraction has has 64 places, 13884 transitions, 89856 flow [2024-02-10 01:37:35,101 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:37:35,101 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:35,101 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 64 places, 13884 transitions, 89856 flow [2024-02-10 01:37:35,222 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 [2024-02-10 01:37:35,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-02-10 01:37:35,728 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 657 states, 603 states have (on average 3.39469320066335) internal successors, (2047), 656 states have internal predecessors, (2047), 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 01:37:35,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 657 states, 603 states have (on average 3.39469320066335) internal successors, (2047), 656 states have internal predecessors, (2047), 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 01:37:35,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-10 01:37:35,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-10 01:37:35,747 INFO L201 PluginConnector]: Adding new model sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:37:35 BoogieIcfgContainer [2024-02-10 01:37:35,747 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:37:35,748 INFO L158 Benchmark]: Toolchain (without parser) took 2633.34ms. Allocated memory was 182.5MB in the beginning and 312.5MB in the end (delta: 130.0MB). Free memory was 147.3MB in the beginning and 189.8MB in the end (delta: -42.5MB). Peak memory consumption was 141.6MB. Max. memory is 8.0GB. [2024-02-10 01:37:35,749 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:37:35,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.94ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 145.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-02-10 01:37:35,749 INFO L158 Benchmark]: Boogie Preprocessor took 13.20ms. Allocated memory is still 182.5MB. Free memory was 145.6MB in the beginning and 144.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 01:37:35,750 INFO L158 Benchmark]: RCFGBuilder took 352.10ms. Allocated memory is still 182.5MB. Free memory was 144.5MB in the beginning and 134.9MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 01:37:35,750 INFO L158 Benchmark]: BuchiAutomizer took 2238.03ms. Allocated memory was 182.5MB in the beginning and 312.5MB in the end (delta: 130.0MB). Free memory was 134.8MB in the beginning and 189.8MB in the end (delta: -55.0MB). Peak memory consumption was 127.9MB. Max. memory is 8.0GB. [2024-02-10 01:37:35,752 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 182.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.94ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 145.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.20ms. Allocated memory is still 182.5MB. Free memory was 145.6MB in the beginning and 144.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 352.10ms. Allocated memory is still 182.5MB. Free memory was 144.5MB in the beginning and 134.9MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2238.03ms. Allocated memory was 182.5MB in the beginning and 312.5MB in the end (delta: 130.0MB). Free memory was 134.8MB in the beginning and 189.8MB in the end (delta: -55.0MB). Peak memory consumption was 127.9MB. 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, 144 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 106 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf100 lsp88 ukn47 mio100 lsp68 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms 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 01:37:35,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...