/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:30:47,270 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:30:47,303 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:30:47,320 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:30:47,321 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:30:47,321 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:30:47,322 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:30:47,322 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:30:47,323 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:30:47,326 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:30:47,326 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:30:47,326 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:30:47,326 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:30:47,327 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:30:47,327 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:30:47,327 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:30:47,328 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:30:47,328 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:30:47,328 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:30:47,328 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:30:47,328 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:30:47,329 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:30:47,330 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:30:47,330 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:30:47,330 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:30:47,331 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:30:47,331 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:30:47,332 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:30:47,332 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:30:47,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:30:47,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:30:47,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:30:47,522 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:30:47,523 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:30:47,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2023-10-12 17:30:47,524 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2023-10-12 17:30:47,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:30:47,546 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:30:47,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:30:47,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:30:47,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:30:47,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,566 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:30:47,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:30:47,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:30:47,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:30:47,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:30:47,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:30:47,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:30:47,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:30:47,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:30:47,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/1) ... [2023-10-12 17:30:47,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:47,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:47,667 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) [2023-10-12 17:30:47,681 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 [2023-10-12 17:30:47,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:30:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:30:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:30:47,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:30:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:30:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:30:47,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:30:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:30:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:30:47,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:30:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:30:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:30:47,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:30:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:30:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:30:47,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2023-10-12 17:30:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-10-12 17:30:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-10-12 17:30:47,728 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:30:47,779 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:30:47,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:30:47,943 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:30:47,955 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:30:47,956 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:30:47,957 INFO L201 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:30:47 BoogieIcfgContainer [2023-10-12 17:30:47,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:30:47,958 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:30:47,958 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:30:47,961 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:30:47,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:30:47,962 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:47" (1/2) ... [2023-10-12 17:30:47,963 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@85b6e48 and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:30:47, skipping insertion in model container [2023-10-12 17:30:47,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:30:47,963 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:30:47" (2/2) ... [2023-10-12 17:30:47,964 INFO L332 chiAutomizerObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2023-10-12 17:30:48,020 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-10-12 17:30:48,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 47 transitions, 134 flow [2023-10-12 17:30:48,059 INFO L124 PetriNetUnfolderBase]: 4/37 cut-off events. [2023-10-12 17:30:48,060 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:30:48,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 37 events. 4/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 76 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2023-10-12 17:30:48,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 47 transitions, 134 flow [2023-10-12 17:30:48,066 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 37 transitions, 104 flow [2023-10-12 17:30:48,069 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:30:48,078 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 37 transitions, 104 flow [2023-10-12 17:30:48,080 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 37 transitions, 104 flow [2023-10-12 17:30:48,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 37 transitions, 104 flow [2023-10-12 17:30:48,088 INFO L124 PetriNetUnfolderBase]: 4/37 cut-off events. [2023-10-12 17:30:48,088 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:30:48,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 37 events. 4/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 76 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2023-10-12 17:30:48,090 INFO L119 LiptonReduction]: Number of co-enabled transitions 552 [2023-10-12 17:30:48,315 INFO L134 LiptonReduction]: Checked pairs total: 632 [2023-10-12 17:30:48,315 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:30:48,324 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:30:48,324 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:30:48,325 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:30:48,325 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:30:48,325 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:30:48,325 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:30:48,325 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:30:48,325 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:30:48,325 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 38 places, 26 transitions, 82 flow [2023-10-12 17:30:48,331 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:48,331 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-10-12 17:30:48,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:30:48,331 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:48,333 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:30:48,333 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 38 places, 26 transitions, 82 flow [2023-10-12 17:30:48,334 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:48,334 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-10-12 17:30:48,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:30:48,335 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:48,338 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [93] $Ultimate##0-->L79: Formula: (let ((.cse0 (not v_v_assert_2))) (and (or (and v_b1_2 v_v_assert_2) (and (not v_b1_2) .cse0)) (= v_i_6 v_k_1) (= v_i_6 0) (or (and v_b2_2 v_v_assert_2) (and .cse0 (not v_b2_2))) (= v_j_6 v_i_6) (= v_i_6 v_l_1) .cse0)) InVars {b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} OutVars{b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} AuxVars[] AssignedVars[] 60#[L79]true [120] L79-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[$Ultimate##0, L79-1]true [96] $Ultimate##0-->L25: Formula: (= (select v_A_1 0) v_min_1) InVars {A=v_A_1} OutVars{A=v_A_1, min=v_min_1} AuxVars[] AssignedVars[min] 64#[L79-1, L25]true [97] L25-->L27-1: Formula: v_b1_1 InVars {} OutVars{b1=v_b1_1} AuxVars[] AssignedVars[b1] 66#[L27-1, L79-1]true [2023-10-12 17:30:48,338 INFO L750 eck$LassoCheckResult]: Loop: 66#[L27-1, L79-1]true [139] L27-1-->L27-1: Formula: (and (< v_i_14 v_N_11) (= v_min_13 (let ((.cse0 (select v_A_25 v_i_14))) (ite (< v_min_14 .cse0) v_min_14 .cse0))) (= v_i_13 (+ v_i_14 1))) InVars {A=v_A_25, N=v_N_11, i=v_i_14, min=v_min_14} OutVars{A=v_A_25, N=v_N_11, i=v_i_13, min=v_min_13} AuxVars[] AssignedVars[i, min] 66#[L27-1, L79-1]true [2023-10-12 17:30:48,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:48,341 INFO L85 PathProgramCache]: Analyzing trace with hash 3812477, now seen corresponding path program 1 times [2023-10-12 17:30:48,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:48,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777077844] [2023-10-12 17:30:48,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:48,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:48,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:48,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:48,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:48,461 INFO L85 PathProgramCache]: Analyzing trace with hash 170, now seen corresponding path program 1 times [2023-10-12 17:30:48,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:48,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326861860] [2023-10-12 17:30:48,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:48,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:48,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:48,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:48,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:48,493 INFO L85 PathProgramCache]: Analyzing trace with hash 118186926, now seen corresponding path program 1 times [2023-10-12 17:30:48,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:48,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996156344] [2023-10-12 17:30:48,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:48,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:48,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:48,655 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:30:48,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:30:48,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:30:48,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:30:48,657 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:30:48,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:48,657 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:30:48,657 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:30:48,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-inc-dec.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:30:48,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:30:48,658 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:30:48,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:48,861 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:30:48,863 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:30:48,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:48,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:48,867 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) [2023-10-12 17:30:48,871 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 [2023-10-12 17:30:48,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:48,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:48,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:48,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:48,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:48,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:48,885 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 [2023-10-12 17:30:48,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:48,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:30:48,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:48,931 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) [2023-10-12 17:30:48,949 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 [2023-10-12 17:30:48,950 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 [2023-10-12 17:30:48,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:48,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:48,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:48,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:48,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:48,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:48,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:48,982 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 [2023-10-12 17:30:48,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,001 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) [2023-10-12 17:30:49,004 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 [2023-10-12 17:30:49,006 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 [2023-10-12 17:30:49,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:49,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:49,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:49,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:49,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:49,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:49,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:49,055 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 [2023-10-12 17:30:49,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,056 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) [2023-10-12 17:30:49,064 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 [2023-10-12 17:30:49,065 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 [2023-10-12 17:30:49,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:49,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:49,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:49,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:49,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:49,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:49,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:49,088 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 [2023-10-12 17:30:49,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,090 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) [2023-10-12 17:30:49,094 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 [2023-10-12 17:30:49,095 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 [2023-10-12 17:30:49,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:49,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:49,102 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:30:49,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:49,110 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:30:49,110 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:30:49,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:49,132 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 [2023-10-12 17:30:49,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,133 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) [2023-10-12 17:30:49,152 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 [2023-10-12 17:30:49,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:49,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:49,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:49,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:49,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:49,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:49,165 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 [2023-10-12 17:30:49,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:30:49,187 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:30:49,187 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:30:49,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,203 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) [2023-10-12 17:30:49,222 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 [2023-10-12 17:30:49,222 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:30:49,242 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:30:49,243 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:30:49,243 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:30:49,246 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 [2023-10-12 17:30:49,249 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:30:49,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:49,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:30:49,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:49,287 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:30:49,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:30:49,307 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:30:49,308 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:30:49,391 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 346 transitions. [2023-10-12 17:30:49,393 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:30:49,395 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:30:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:30:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:30:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 236 transitions. [2023-10-12 17:30:49,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 236 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:30:49,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:49,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 236 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:30:49,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:49,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 236 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:30:49,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:49,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 304 transitions, 1576 flow [2023-10-12 17:30:49,510 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 [2023-10-12 17:30:49,619 INFO L124 PetriNetUnfolderBase]: 3444/4310 cut-off events. [2023-10-12 17:30:49,619 INFO L125 PetriNetUnfolderBase]: For 530/530 co-relation queries the response was YES. [2023-10-12 17:30:49,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9556 conditions, 4310 events. 3444/4310 cut-off events. For 530/530 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 14669 event pairs, 130 based on Foata normal form. 0/2637 useless extension candidates. Maximal degree in co-relation 8278. Up to 1201 conditions per place. [2023-10-12 17:30:49,626 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 48 places, 304 transitions, 1576 flow [2023-10-12 17:30:49,630 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 48 places, 304 transitions, 1576 flow [2023-10-12 17:30:49,630 INFO L430 stractBuchiCegarLoop]: Abstraction has has 48 places, 304 transitions, 1576 flow [2023-10-12 17:30:49,630 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:30:49,630 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 places, 304 transitions, 1576 flow [2023-10-12 17:30:49,633 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:49,633 INFO L124 PetriNetUnfolderBase]: 23/42 cut-off events. [2023-10-12 17:30:49,633 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-10-12 17:30:49,633 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:49,633 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [93] $Ultimate##0-->L79: Formula: (let ((.cse0 (not v_v_assert_2))) (and (or (and v_b1_2 v_v_assert_2) (and (not v_b1_2) .cse0)) (= v_i_6 v_k_1) (= v_i_6 0) (or (and v_b2_2 v_v_assert_2) (and .cse0 (not v_b2_2))) (= v_j_6 v_i_6) (= v_i_6 v_l_1) .cse0)) InVars {b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} OutVars{b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} AuxVars[] AssignedVars[] 60#[L79]true [120] L79-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[$Ultimate##0, L79-1]true [123] L79-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 119#[$Ultimate##0, $Ultimate##0, L80]true [126] L80-->L51-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 121#[$Ultimate##0, $Ultimate##0, L51-1, L81]true [2023-10-12 17:30:49,633 INFO L750 eck$LassoCheckResult]: Loop: 121#[$Ultimate##0, $Ultimate##0, L51-1, L81]true [142] L51-1-->L51-1: Formula: (and (< v_k_18 v_N_15) (= (store v_A_28 v_k_18 (+ (select v_A_28 v_k_18) 1)) v_A_27) (= v_k_17 (+ v_k_18 1))) InVars {A=v_A_28, N=v_N_15, k=v_k_18} OutVars{A=v_A_27, N=v_N_15, k=v_k_17} AuxVars[] AssignedVars[A, k] 121#[$Ultimate##0, $Ultimate##0, L51-1, L81]true [142] L51-1-->L51-1: Formula: (and (< v_k_18 v_N_15) (= (store v_A_28 v_k_18 (+ (select v_A_28 v_k_18) 1)) v_A_27) (= v_k_17 (+ v_k_18 1))) InVars {A=v_A_28, N=v_N_15, k=v_k_18} OutVars{A=v_A_27, N=v_N_15, k=v_k_17} AuxVars[] AssignedVars[A, k] 121#[$Ultimate##0, $Ultimate##0, L51-1, L81]true [2023-10-12 17:30:49,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:49,634 INFO L85 PathProgramCache]: Analyzing trace with hash 3813343, now seen corresponding path program 1 times [2023-10-12 17:30:49,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:49,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042607970] [2023-10-12 17:30:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:49,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:49,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:49,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:49,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash 5505, now seen corresponding path program 1 times [2023-10-12 17:30:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:49,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216029724] [2023-10-12 17:30:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:49,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:49,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:49,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash -630340129, now seen corresponding path program 1 times [2023-10-12 17:30:49,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747422511] [2023-10-12 17:30:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:49,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:49,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:49,822 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:30:49,822 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:30:49,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:30:49,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:30:49,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:30:49,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:30:49,823 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:30:49,823 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-inc-dec.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:30:49,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:30:49,823 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:30:49,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,827 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,855 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:49,946 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:30:49,946 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:30:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,948 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) [2023-10-12 17:30:49,950 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 [2023-10-12 17:30:49,952 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 [2023-10-12 17:30:49,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:49,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:49,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:49,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:49,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:49,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:49,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:49,974 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 [2023-10-12 17:30:49,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:49,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:49,976 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) [2023-10-12 17:30:49,994 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 [2023-10-12 17:30:49,997 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 [2023-10-12 17:30:50,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:50,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:50,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:50,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:50,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:50,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:50,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:50,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:50,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:50,028 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) [2023-10-12 17:30:50,046 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 [2023-10-12 17:30:50,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:50,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:50,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:50,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:50,053 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 [2023-10-12 17:30:50,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:50,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:50,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:50,103 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 [2023-10-12 17:30:50,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:50,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:50,104 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) [2023-10-12 17:30:50,105 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 [2023-10-12 17:30:50,108 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 [2023-10-12 17:30:50,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:50,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:50,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:50,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:50,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:50,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:50,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:50,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:50,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:50,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:50,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:50,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:30:50,230 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 [2023-10-12 17:30:50,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:50,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:50,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:50,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:50,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:50,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:50,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:50,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:50,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:50,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:50,248 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:50,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:30:50,270 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 [2023-10-12 17:30:50,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:50,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:50,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:50,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:50,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:50,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:50,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:50,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:50,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:50,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:50,329 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:50,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:30:50,333 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 [2023-10-12 17:30:50,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:50,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:50,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:50,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:50,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:50,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:50,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:30:50,363 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:30:50,363 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:30:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:50,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:50,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:30:50,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:30:50,404 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:30:50,404 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:30:50,404 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:30:50,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-10-12 17:30:50,414 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:30:50,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:50,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:30:50,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:50,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:30:50,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:30:50,476 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 [2023-10-12 17:30:50,476 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. 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) [2023-10-12 17:30:50,634 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. 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 7 states and 459 transitions. [2023-10-12 17:30:50,634 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:30:50,664 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:30:50,665 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 [2023-10-12 17:30:50,667 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) [2023-10-12 17:30:50,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 295 transitions. [2023-10-12 17:30:50,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:30:50,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:50,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:30:50,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:50,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:30:50,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:50,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 4744 transitions, 34224 flow [2023-10-12 17:30:51,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-10-12 17:30:52,061 INFO L124 PetriNetUnfolderBase]: 13515/16559 cut-off events. [2023-10-12 17:30:52,062 INFO L125 PetriNetUnfolderBase]: For 2072/2072 co-relation queries the response was YES. [2023-10-12 17:30:52,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53118 conditions, 16559 events. 13515/16559 cut-off events. For 2072/2072 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 62354 event pairs, 382 based on Foata normal form. 0/9587 useless extension candidates. Maximal degree in co-relation 48832. Up to 5781 conditions per place. [2023-10-12 17:30:52,074 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 62 places, 4744 transitions, 34224 flow [2023-10-12 17:30:52,112 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 62 places, 4744 transitions, 34224 flow [2023-10-12 17:30:52,113 INFO L430 stractBuchiCegarLoop]: Abstraction has has 62 places, 4744 transitions, 34224 flow [2023-10-12 17:30:52,113 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:30:52,114 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 62 places, 4744 transitions, 34224 flow [2023-10-12 17:30:52,143 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:52,147 INFO L124 PetriNetUnfolderBase]: 148/217 cut-off events. [2023-10-12 17:30:52,148 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2023-10-12 17:30:52,148 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:52,148 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [93] $Ultimate##0-->L79: Formula: (let ((.cse0 (not v_v_assert_2))) (and (or (and v_b1_2 v_v_assert_2) (and (not v_b1_2) .cse0)) (= v_i_6 v_k_1) (= v_i_6 0) (or (and v_b2_2 v_v_assert_2) (and .cse0 (not v_b2_2))) (= v_j_6 v_i_6) (= v_i_6 v_l_1) .cse0)) InVars {b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} OutVars{b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} AuxVars[] AssignedVars[] 60#[L79]true [120] L79-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[$Ultimate##0, L79-1]true [123] L79-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 119#[$Ultimate##0, $Ultimate##0, L80]true [126] L80-->L51-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 121#[$Ultimate##0, $Ultimate##0, L51-1, L81]true [129] L81-->L62-1: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2] 183#[$Ultimate##0, $Ultimate##0, L51-1, L82, L62-1]true [2023-10-12 17:30:52,148 INFO L750 eck$LassoCheckResult]: Loop: 183#[$Ultimate##0, $Ultimate##0, L51-1, L82, L62-1]true [148] L62-1-->L62-1: Formula: (and (= (store v_A_40 v_l_14 (+ (- 1) (select v_A_40 v_l_14))) v_A_39) (< v_l_14 v_N_23) (= (+ v_l_14 1) v_l_13)) InVars {A=v_A_40, N=v_N_23, l=v_l_14} OutVars{A=v_A_39, N=v_N_23, l=v_l_13} AuxVars[] AssignedVars[A, l] 183#[$Ultimate##0, $Ultimate##0, L51-1, L82, L62-1]true [148] L62-1-->L62-1: Formula: (and (= (store v_A_40 v_l_14 (+ (- 1) (select v_A_40 v_l_14))) v_A_39) (< v_l_14 v_N_23) (= (+ v_l_14 1) v_l_13)) InVars {A=v_A_40, N=v_N_23, l=v_l_14} OutVars{A=v_A_39, N=v_N_23, l=v_l_13} AuxVars[] AssignedVars[A, l] 183#[$Ultimate##0, $Ultimate##0, L51-1, L82, L62-1]true [2023-10-12 17:30:52,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash 118213762, now seen corresponding path program 1 times [2023-10-12 17:30:52,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:52,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175382695] [2023-10-12 17:30:52,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:52,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:52,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:52,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:52,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:52,174 INFO L85 PathProgramCache]: Analyzing trace with hash 5697, now seen corresponding path program 1 times [2023-10-12 17:30:52,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:52,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909816547] [2023-10-12 17:30:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:52,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:52,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:52,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:52,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:52,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1934280322, now seen corresponding path program 1 times [2023-10-12 17:30:52,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:52,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70189727] [2023-10-12 17:30:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:52,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:52,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:52,343 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:30:52,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:30:52,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:30:52,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:30:52,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:30:52,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:52,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:30:52,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:30:52,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-inc-dec.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:30:52,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:30:52,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:30:52,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:30:52,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:30:52,481 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:30:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:52,482 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:52,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:30:52,485 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 [2023-10-12 17:30:52,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:52,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:52,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:52,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:52,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:52,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:52,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:52,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:52,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:52,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:52,512 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:52,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:30:52,516 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 [2023-10-12 17:30:52,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:52,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:52,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:52,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:52,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:52,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:52,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:52,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:52,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:52,560 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:52,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:30:52,564 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 [2023-10-12 17:30:52,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:52,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:52,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:52,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:52,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:52,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:52,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:52,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:52,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:52,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:52,583 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:52,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:30:52,585 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 [2023-10-12 17:30:52,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:52,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:52,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:52,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:52,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:52,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:52,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:30:52,619 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:30:52,619 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:30:52,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:52,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:52,620 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:52,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:30:52,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:30:52,630 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:30:52,631 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:30:52,631 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(l, N) = -1*l + 1*N Supporting invariants [] [2023-10-12 17:30:52,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:52,650 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:30:52,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:52,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:30:52,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:52,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:30:52,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:30:52,690 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 [2023-10-12 17:30:52,690 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. 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) [2023-10-12 17:30:52,811 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. 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 7 states and 459 transitions. [2023-10-12 17:30:52,812 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:30:52,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:53,241 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:30:53,242 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 [2023-10-12 17:30:53,243 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) [2023-10-12 17:30:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 295 transitions. [2023-10-12 17:30:53,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:30:53,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:53,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:30:53,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:53,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:30:53,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:53,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 74272 transitions, 686336 flow [2023-10-12 17:31:57,201 INFO L124 PetriNetUnfolderBase]: 35733/43521 cut-off events. [2023-10-12 17:31:57,201 INFO L125 PetriNetUnfolderBase]: For 5433/5433 co-relation queries the response was YES. [2023-10-12 17:31:57,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182495 conditions, 43521 events. 35733/43521 cut-off events. For 5433/5433 co-relation queries the response was YES. Maximal size of possible extension queue 1496. Compared 181913 event pairs, 675 based on Foata normal form. 0/25130 useless extension candidates. Maximal degree in co-relation 167946. Up to 17925 conditions per place. [2023-10-12 17:31:57,259 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 76 places, 74272 transitions, 686336 flow [2023-10-12 17:31:58,006 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 76 places, 74272 transitions, 686336 flow [2023-10-12 17:31:58,006 INFO L430 stractBuchiCegarLoop]: Abstraction has has 76 places, 74272 transitions, 686336 flow [2023-10-12 17:31:58,006 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:31:58,006 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 places, 74272 transitions, 686336 flow [2023-10-12 17:31:59,395 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:31:59,395 INFO L124 PetriNetUnfolderBase]: 260/358 cut-off events. [2023-10-12 17:31:59,395 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2023-10-12 17:31:59,395 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:31:59,396 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [93] $Ultimate##0-->L79: Formula: (let ((.cse0 (not v_v_assert_2))) (and (or (and v_b1_2 v_v_assert_2) (and (not v_b1_2) .cse0)) (= v_i_6 v_k_1) (= v_i_6 0) (or (and v_b2_2 v_v_assert_2) (and .cse0 (not v_b2_2))) (= v_j_6 v_i_6) (= v_i_6 v_l_1) .cse0)) InVars {b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} OutVars{b2=v_b2_2, b1=v_b1_2, l=v_l_1, k=v_k_1, j=v_j_6, i=v_i_6, v_assert=v_v_assert_2} AuxVars[] AssignedVars[] 60#[L79]true [120] L79-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[$Ultimate##0, L79-1]true [123] L79-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 119#[$Ultimate##0, $Ultimate##0, L80]true [102] $Ultimate##0-->L38: Formula: (= (select v_A_4 0) v_max_3) InVars {A=v_A_4} OutVars{A=v_A_4, max=v_max_3} AuxVars[] AssignedVars[max] 247#[$Ultimate##0, L38, L80]true [103] L38-->L40-1: Formula: v_b2_1 InVars {} OutVars{b2=v_b2_1} AuxVars[] AssignedVars[b2] 249#[$Ultimate##0, L40-1, L80]true [2023-10-12 17:31:59,396 INFO L750 eck$LassoCheckResult]: Loop: 249#[$Ultimate##0, L40-1, L80]true [144] L40-1-->L40-1: Formula: (and (= (let ((.cse0 (select v_A_31 v_j_14))) (ite (< .cse0 v_max_12) v_max_12 .cse0)) v_max_11) (= (+ v_j_14 1) v_j_13) (< v_j_14 v_N_19)) InVars {A=v_A_31, N=v_N_19, j=v_j_14, max=v_max_12} OutVars{A=v_A_31, N=v_N_19, j=v_j_13, max=v_max_11} AuxVars[] AssignedVars[j, max] 249#[$Ultimate##0, L40-1, L80]true [144] L40-1-->L40-1: Formula: (and (= (let ((.cse0 (select v_A_31 v_j_14))) (ite (< .cse0 v_max_12) v_max_12 .cse0)) v_max_11) (= (+ v_j_14 1) v_j_13) (< v_j_14 v_N_19)) InVars {A=v_A_31, N=v_N_19, j=v_j_14, max=v_max_12} OutVars{A=v_A_31, N=v_N_19, j=v_j_13, max=v_max_11} AuxVars[] AssignedVars[j, max] 249#[$Ultimate##0, L40-1, L80]true [2023-10-12 17:31:59,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:31:59,396 INFO L85 PathProgramCache]: Analyzing trace with hash 118212992, now seen corresponding path program 1 times [2023-10-12 17:31:59,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:31:59,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003385290] [2023-10-12 17:31:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:31:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:31:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:31:59,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:31:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:31:59,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:31:59,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:31:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 5569, now seen corresponding path program 1 times [2023-10-12 17:31:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:31:59,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245085907] [2023-10-12 17:31:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:31:59,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:31:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:31:59,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:31:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:31:59,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:31:59,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:31:59,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1933540224, now seen corresponding path program 1 times [2023-10-12 17:31:59,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:31:59,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412615523] [2023-10-12 17:31:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:31:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:31:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:31:59,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:31:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:31:59,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:31:59,575 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:31:59,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:31:59,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:31:59,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:31:59,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:31:59,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:31:59,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:31:59,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-inc-dec.wvr.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:31:59,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:31:59,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:31:59,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:31:59,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:31:59,811 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:31:59,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:31:59,829 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:31:59,830 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 [2023-10-12 17:31:59,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:31:59,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:31:59,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:31:59,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:31:59,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-10-12 17:31:59,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:31:59,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:31:59,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:31:59,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-10-12 17:31:59,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:31:59,868 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:31:59,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-10-12 17:31:59,873 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 [2023-10-12 17:31:59,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:31:59,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:31:59,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:31:59,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:31:59,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:31:59,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:31:59,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:31:59,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-10-12 17:31:59,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:31:59,901 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:31:59,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:31:59,905 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 [2023-10-12 17:31:59,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:31:59,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:31:59,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:31:59,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:31:59,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:31:59,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:31:59,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:31:59,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-10-12 17:31:59,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:31:59,932 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:31:59,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:31:59,936 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 [2023-10-12 17:31:59,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:31:59,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:31:59,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:31:59,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:31:59,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:31:59,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:31:59,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:31:59,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-10-12 17:31:59,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:31:59,964 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:31:59,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:31:59,967 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 [2023-10-12 17:31:59,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:31:59,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:31:59,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:31:59,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:31:59,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:31:59,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:31:59,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:31:59,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-10-12 17:31:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:31:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:31:59,987 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2023-10-12 17:31:59,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:31:59,991 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 [2023-10-12 17:31:59,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:31:59,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:31:59,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:31:59,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:31:59,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:31:59,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:32:00,014 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:32:00,021 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:32:00,021 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:32:00,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:00,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:00,022 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2023-10-12 17:32:00,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-10-12 17:32:00,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:32:00,042 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:32:00,042 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:32:00,042 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, j) = 1*N - 1*j Supporting invariants [] [2023-10-12 17:32:00,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-10-12 17:32:00,047 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:32:00,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:32:00,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:32:00,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:32:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:32:00,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:32:00,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:32:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:32:00,080 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 [2023-10-12 17:32:00,080 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. 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) [2023-10-12 17:32:00,195 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. 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 7 states and 459 transitions. [2023-10-12 17:32:00,195 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:32:04,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-10-12 17:32:20,372 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:32:20,372 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 [2023-10-12 17:32:20,374 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) [2023-10-12 17:32:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 295 transitions. [2023-10-12 17:32:20,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:32:20,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:20,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:32:20,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:20,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 295 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:32:20,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:20,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 1165120 transitions, 13125760 flow Received shutdown request... [2023-10-12 17:34:41,374 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-10-12 17:34:41,481 WARN L144 chiPetriNetCegarLoop]: Unhandled de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.occured during abstraction size reduction. Continuing with non-reduced net [2023-10-12 17:34:41,481 INFO L430 stractBuchiCegarLoop]: Abstraction has has 90 places, 1165120 transitions, 13125760 flow [2023-10-12 17:34:41,481 INFO L337 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-10-12 17:34:41,481 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 places, 1165120 transitions, 13125760 flow [2023-10-12 17:34:42,009 WARN L343 stractBuchiCegarLoop]: Verification cancelled [2023-10-12 17:34:42,013 INFO L201 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:34:42 BoogieIcfgContainer [2023-10-12 17:34:42,013 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:34:42,013 INFO L158 Benchmark]: Toolchain (without parser) took 234467.58ms. Allocated memory was 222.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 173.1MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 6.0GB. Max. memory is 8.0GB. [2023-10-12 17:34:42,014 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.27ms. Allocated memory is still 222.3MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:34:42,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.67ms. Allocated memory is still 222.3MB. Free memory was 173.1MB in the beginning and 171.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:34:42,014 INFO L158 Benchmark]: Boogie Preprocessor took 13.46ms. Allocated memory is still 222.3MB. Free memory was 171.6MB in the beginning and 170.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:34:42,014 INFO L158 Benchmark]: RCFGBuilder took 344.61ms. Allocated memory is still 222.3MB. Free memory was 170.3MB in the beginning and 159.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:34:42,015 INFO L158 Benchmark]: BuchiAutomizer took 234054.91ms. Allocated memory was 222.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 159.2MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 5.9GB. Max. memory is 8.0GB. [2023-10-12 17:34:42,016 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 0.27ms. Allocated memory is still 222.3MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.67ms. Allocated memory is still 222.3MB. Free memory was 173.1MB in the beginning and 171.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.46ms. Allocated memory is still 222.3MB. Free memory was 171.6MB in the beginning and 170.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 344.61ms. Allocated memory is still 222.3MB. Free memory was 170.3MB in the beginning and 159.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 234054.91ms. Allocated memory was 222.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 159.2MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 5.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 4 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 5 locations. One deterministic module has affine ranking function -1 * l + N and consists of 5 locations. One deterministic module has affine ranking function N + -1 * j and consists of 5 locations. The remainder module has 13125760 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 233.9s and 5 iterations. TraceHistogramMax:0. Analysis of lassos took 2.8s. Construction of modules took 0.2s. Büchi inclusion checks took 21.0s. Highest rank in rank-based complementation 0. 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 599 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 595 mSDsluCounter, 519 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 641 IncrementalHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 289 mSDtfsCounter, 641 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital80 mio100 ax100 hnf100 lsp129 ukn38 mio100 lsp86 div100 bol100 ite100 ukn100 eq171 hnf96 smp100 dnf131 smp74 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing PetriNetUnfolderBuchi. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 49 PlacesBefore, 38 PlacesAfterwards, 37 TransitionsBefore, 26 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 632 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 517, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 517, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 333, unknown conditional: 0, unknown unconditional: 333] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2023-10-12 17:34:42,025 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