/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-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:29:26,861 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:29:26,912 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 17:29:26,937 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:29:26,937 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:29:26,938 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:29:26,939 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:29:26,939 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:29:26,939 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:29:26,941 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:29:26,942 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:29:26,942 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:29:26,942 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:29:26,943 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:29:26,943 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:29:26,943 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:29:26,943 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:29:26,943 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:29:26,944 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:29:26,944 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:29:26,944 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:29:26,944 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:29:26,945 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:29:26,945 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:29:26,946 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:29:26,946 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:29:26,946 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:29:26,946 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:29:26,946 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:29:26,946 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:29:26,947 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:29:26,947 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:29:26,947 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:29:26,948 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:29:26,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:29:27,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:29:27,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:29:27,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:29:27,169 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:29:27,170 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:29:27,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2023-10-12 17:29:27,171 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2023-10-12 17:29:27,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:29:27,202 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:29:27,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:29:27,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:29:27,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:29:27,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,223 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:29:27,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:29:27,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:29:27,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:29:27,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:29:27,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:29:27,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:29:27,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:29:27,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:29:27,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/1) ... [2023-10-12 17:29:27,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:27,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:27,286 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 17:29:27,306 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 17:29:27,333 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:29:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:29:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:29:27,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:29:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:29:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:29:27,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:29:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:29:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:29:27,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:29:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:29:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:29:27,339 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 17:29:27,381 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:29:27,383 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:29:27,518 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:29:27,530 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:29:27,531 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:29:27,532 INFO L201 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:29:27 BoogieIcfgContainer [2023-10-12 17:29:27,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:29:27,533 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:29:27,533 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:29:27,543 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:29:27,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:29:27,545 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:29:27" (1/2) ... [2023-10-12 17:29:27,546 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2577cb08 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:29:27, skipping insertion in model container [2023-10-12 17:29:27,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:29:27,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:29:27" (2/2) ... [2023-10-12 17:29:27,549 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-fun.wvr.bpl [2023-10-12 17:29:27,651 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:29:27,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:29:27,713 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:29:27,713 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:29:27,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:29:27,722 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:29:27,727 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:29:27,731 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:29:27,754 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:29:27,760 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:29:27,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:29:27,765 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:29:27,765 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:29:27,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:29:27,765 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:29:28,015 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:29:28,015 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:29:28,026 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:29:28,026 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:29:28,026 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:29:28,026 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:29:28,026 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:29:28,026 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:29:28,026 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:29:28,026 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:29:28,027 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:29:28,029 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:29:28,029 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:29:28,030 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:29:28,031 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:29:28,034 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:29:28,035 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:29:28,037 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:29:28,037 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:29:28,037 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:29:28,037 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:29:28,041 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [2023-10-12 17:29:28,041 INFO L750 eck$LassoCheckResult]: Loop: 44#[L23-1, L59-1]true [96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_10) (= v_max1_11 (let ((.cse0 (select v_A_12 v_i_16))) (ite (< v_max1_12 .cse0) .cse0 v_max1_12)))) InVars {A=v_A_12, N=v_N_10, i=v_i_16, max1=v_max1_12} OutVars{A=v_A_12, N=v_N_10, i=v_i_15, max1=v_max1_11} AuxVars[] AssignedVars[i, max1] 44#[L23-1, L59-1]true [2023-10-12 17:29:28,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:29:28,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:28,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771094230] [2023-10-12 17:29:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:28,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:28,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:28,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:28,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash 127, now seen corresponding path program 1 times [2023-10-12 17:29:28,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:28,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467551865] [2023-10-12 17:29:28,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:28,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:28,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:28,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:28,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:28,190 INFO L85 PathProgramCache]: Analyzing trace with hash 130420, now seen corresponding path program 1 times [2023-10-12 17:29:28,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:28,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170007917] [2023-10-12 17:29:28,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:28,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:28,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:28,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:28,352 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:29:28,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:29:28,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:29:28,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:29:28,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:29:28,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:28,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:29:28,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:29:28,354 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-fun.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:29:28,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:29:28,354 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:29:28,368 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 17:29:28,375 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 17:29:28,378 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 17:29:28,426 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 17:29:28,429 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 17:29:28,530 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:29:28,533 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:29:28,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:28,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:28,537 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 17:29:28,540 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 17:29:28,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:29:28,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:28,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:28,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:28,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:28,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:28,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:28,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:28,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:29:28,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:28,586 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 17:29:28,588 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 17:29:28,589 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 17:29:28,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:28,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:28,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:28,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:28,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:28,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:28,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:28,625 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 17:29:28,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:28,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:28,641 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 17:29:28,645 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 17:29:28,646 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 17:29:28,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:28,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:28,653 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:29:28,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:28,670 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:29:28,671 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:29:28,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:28,697 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 17:29:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:28,701 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 17:29:28,703 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 17:29:28,704 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 17:29:28,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:28,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:28,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:28,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:28,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:28,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:28,739 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:29:28,750 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:29:28,751 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:29:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:28,754 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 17:29:28,755 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 17:29:28,790 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:29:28,818 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:29:28,818 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:29:28,819 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:29:28,835 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 17:29:28,838 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:29:28,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:29:28,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:29:28,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:29:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:29:28,892 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:29:28,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:29:28,895 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 17:29:28,925 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 17:29:28,927 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 17:29:29,010 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 256 transitions. [2023-10-12 17:29:29,011 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:29:29,013 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:29:29,017 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 17:29:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 17:29:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:29:29,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:29:29,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:29,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:29:29,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:29,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:29:29,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:29,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:29:29,072 INFO L124 PetriNetUnfolderBase]: 135/207 cut-off events. [2023-10-12 17:29:29,072 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-10-12 17:29:29,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 207 events. 135/207 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 557 event pairs, 17 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 344. Up to 71 conditions per place. [2023-10-12 17:29:29,073 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:29:29,075 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 32 places, 172 transitions, 904 flow [2023-10-12 17:29:29,075 INFO L430 stractBuchiCegarLoop]: Abstraction has has 32 places, 172 transitions, 904 flow [2023-10-12 17:29:29,075 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:29:29,075 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:29:29,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:29:29,079 INFO L124 PetriNetUnfolderBase]: 27/42 cut-off events. [2023-10-12 17:29:29,079 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-10-12 17:29:29,079 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:29:29,080 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L23-1, L60, L34-1]true [2023-10-12 17:29:29,080 INFO L750 eck$LassoCheckResult]: Loop: 89#[L23-1, L60, L34-1]true [94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (select v_A_10 v_j_16))) (ite (< v_max2_12 .cse0) .cse0 v_max2_12)) v_max2_11) (< v_j_16 v_M_10)) InVars {A=v_A_10, M=v_M_10, j=v_j_16, max2=v_max2_12} OutVars{A=v_A_10, M=v_M_10, j=v_j_15, max2=v_max2_11} AuxVars[] AssignedVars[j, max2] 89#[L23-1, L60, L34-1]true [94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (select v_A_10 v_j_16))) (ite (< v_max2_12 .cse0) .cse0 v_max2_12)) v_max2_11) (< v_j_16 v_M_10)) InVars {A=v_A_10, M=v_M_10, j=v_j_16, max2=v_max2_12} OutVars{A=v_A_10, M=v_M_10, j=v_j_15, max2=v_max2_11} AuxVars[] AssignedVars[j, max2] 89#[L23-1, L60, L34-1]true [2023-10-12 17:29:29,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:29,080 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:29:29,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:29,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98915561] [2023-10-12 17:29:29,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:29,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:29,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:29,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:29,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:29,089 INFO L85 PathProgramCache]: Analyzing trace with hash 3969, now seen corresponding path program 1 times [2023-10-12 17:29:29,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:29,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564018294] [2023-10-12 17:29:29,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:29,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:29,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:29,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:29,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:29,102 INFO L85 PathProgramCache]: Analyzing trace with hash 125325096, now seen corresponding path program 1 times [2023-10-12 17:29:29,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:29,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026628914] [2023-10-12 17:29:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:29,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:29,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:29,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:29,221 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 17:29:29,338 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:29:29,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:29:29,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:29:29,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:29:29,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:29:29,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:29:29,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:29:29,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-fun.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:29:29,339 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:29:29,339 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:29:29,344 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 17:29:29,346 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 17:29:29,348 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 17:29:29,350 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 17:29:29,353 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 17:29:29,355 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 17:29:29,463 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 17:29:29,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:29:29,635 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:29:29,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,651 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 17:29:29,657 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 17:29:29,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:29,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:29,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:29,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:29,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:29,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:29,668 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 17:29:29,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:29,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:29:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,692 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 17:29:29,738 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 17:29:29,739 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 17:29:29,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:29,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:29,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:29,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:29,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:29,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:29,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:29,770 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 17:29:29,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,771 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 17:29:29,774 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 17:29:29,775 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 17:29:29,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:29,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:29,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:29,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:29,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:29,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:29,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:29,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-10-12 17:29:29,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,803 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 17:29:29,803 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 17:29:29,806 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 17:29:29,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:29,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:29,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:29,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:29,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:29,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:29,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:29,827 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 17:29:29,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,829 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 17:29:29,833 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 17:29:29,833 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 17:29:29,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:29,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:29,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:29,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:29,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:29,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:29,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:29,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-10-12 17:29:29,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,855 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 17:29:29,857 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 17:29:29,858 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 17:29:29,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:29,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:29,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:29,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:29,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:29,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:29,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:29:29,894 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:29:29,894 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:29:29,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:29,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:29,896 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 17:29:29,896 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 17:29:29,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:29:29,913 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:29:29,913 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:29:29,913 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:29:29,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-10-12 17:29:29,919 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:29:29,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:29:29,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:29:29,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:29:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:29:29,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:29:29,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:29:29,952 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 17:29:29,952 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 17:29:29,952 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:29:30,043 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 337 transitions. [2023-10-12 17:29:30,043 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:29:30,062 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:29:30,063 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 17:29:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:29:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:29:30,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:29:30,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:30,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:29:30,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:30,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:29:30,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:30,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:29:30,132 INFO L124 PetriNetUnfolderBase]: 383/568 cut-off events. [2023-10-12 17:29:30,132 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2023-10-12 17:29:30,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1875 conditions, 568 events. 383/568 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2045 event pairs, 12 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 1278. Up to 202 conditions per place. [2023-10-12 17:29:30,134 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:29:30,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-10-12 17:29:30,191 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:29:30,191 INFO L430 stractBuchiCegarLoop]: Abstraction has has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:29:30,192 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:29:30,192 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:29:30,213 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:29:30,213 INFO L124 PetriNetUnfolderBase]: 155/220 cut-off events. [2023-10-12 17:29:30,213 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-10-12 17:29:30,213 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:29:30,214 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: 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] 89#[L23-1, L60, L34-1]true [96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_10) (= v_max1_11 (let ((.cse0 (select v_A_12 v_i_16))) (ite (< v_max1_12 .cse0) .cse0 v_max1_12)))) InVars {A=v_A_12, N=v_N_10, i=v_i_16, max1=v_max1_12} OutVars{A=v_A_12, N=v_N_10, i=v_i_15, max1=v_max1_11} AuxVars[] AssignedVars[i, max1] 89#[L23-1, L60, L34-1]true [87] L60-->L45-1: 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] 148#[L23-1, L61, L34-1, L45-1]true [2023-10-12 17:29:30,214 INFO L750 eck$LassoCheckResult]: Loop: 148#[L23-1, L61, L34-1, L45-1]true [99] L45-1-->L45-1: Formula: (and (= (let ((.cse0 (select v_A_14 v_k_14))) (ite (< v_max3_14 .cse0) .cse0 v_max3_14)) v_max3_13) (= v_k_13 (+ v_k_14 1)) (< v_k_14 v_N_14)) InVars {A=v_A_14, N=v_N_14, k=v_k_14, max3=v_max3_14} OutVars{A=v_A_14, N=v_N_14, k=v_k_13, max3=v_max3_13} AuxVars[] AssignedVars[k, max3] 148#[L23-1, L61, L34-1, L45-1]true [99] L45-1-->L45-1: Formula: (and (= (let ((.cse0 (select v_A_14 v_k_14))) (ite (< v_max3_14 .cse0) .cse0 v_max3_14)) v_max3_13) (= v_k_13 (+ v_k_14 1)) (< v_k_14 v_N_14)) InVars {A=v_A_14, N=v_N_14, k=v_k_14, max3=v_max3_14} OutVars{A=v_A_14, N=v_N_14, k=v_k_13, max3=v_max3_13} AuxVars[] AssignedVars[k, max3] 148#[L23-1, L61, L34-1, L45-1]true [2023-10-12 17:29:30,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash 125325151, now seen corresponding path program 1 times [2023-10-12 17:29:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652966446] [2023-10-12 17:29:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:30,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:30,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:30,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash 4129, now seen corresponding path program 1 times [2023-10-12 17:29:30,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:30,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707906450] [2023-10-12 17:29:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:30,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:30,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:30,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:30,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash 178388991, now seen corresponding path program 1 times [2023-10-12 17:29:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:29:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856210286] [2023-10-12 17:29:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:29:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:29:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:30,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:29:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:29:30,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:29:30,505 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:29:30,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:29:30,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:29:30,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:29:30,506 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:29:30,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:30,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:29:30,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:29:30,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-fun.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:29:30,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:29:30,506 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:29:30,508 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 17:29:30,526 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 17:29:30,529 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 17:29:30,531 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 17:29:30,533 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 17:29:30,534 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 17:29:30,536 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 17:29:30,538 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 17:29:30,539 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 17:29:30,632 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 17:29:30,857 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:29:30,858 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:29:30,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:30,861 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 17:29:30,862 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 17:29:30,865 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 17:29:30,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:30,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:30,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:30,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:30,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:30,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:30,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:30,907 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 17:29:30,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:30,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:30,908 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 17:29:30,910 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 17:29:30,911 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 17:29:30,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:30,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:30,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:30,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:30,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:30,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:30,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:30,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-10-12 17:29:30,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:30,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:30,953 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 17:29:30,955 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 17:29:30,957 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 17:29:30,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:30,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:30,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:30,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:30,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:30,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:30,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:30,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:29:30,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:30,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:30,985 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 17:29:30,987 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 17:29:30,988 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 17:29:30,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:30,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:30,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:30,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:30,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:30,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-10-12 17:29:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,014 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 17:29:31,016 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 17:29:31,018 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 17:29:31,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:31,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:31,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:31,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,053 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 17:29:31,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,055 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 17:29:31,057 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 17:29:31,058 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 17:29:31,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:31,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:31,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:31,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-10-12 17:29:31,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,084 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 17:29:31,086 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 17:29:31,088 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 17:29:31,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:31,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:31,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:31,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,115 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 17:29:31,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,116 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 17:29:31,118 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 17:29:31,120 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 17:29:31,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:31,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:31,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:31,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,133 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 17:29:31,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,135 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 17:29:31,136 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 17:29:31,138 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 17:29:31,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:31,144 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:29:31,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,178 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:29:31,178 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:29:31,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,212 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 17:29:31,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,216 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 17:29:31,217 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 17:29:31,219 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 17:29:31,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,225 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-10-12 17:29:31,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:31,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,227 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-10-12 17:29:31,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:29:31,235 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 17:29:31,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,240 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 17:29:31,241 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 17:29:31,245 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 17:29:31,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:29:31,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:29:31,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:29:31,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:29:31,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:29:31,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:29:31,264 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:29:31,270 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:29:31,270 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:29:31,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:29:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:29:31,271 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 17:29:31,273 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 17:29:31,274 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:29:31,292 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:29:31,292 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:29:31,292 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:29:31,295 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 17:29:31,297 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:29:31,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:29:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:29:31,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:29:31,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:29:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:29:31,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:29:31,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:29:31,341 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 17:29:31,342 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 17:29:31,342 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 17:29:31,444 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 338 transitions. [2023-10-12 17:29:31,444 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:29:31,689 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 17:29:31,728 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:29:31,728 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 17:29:31,729 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 17:29:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:29:31,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:29:31,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:31,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:29:31,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:31,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:29:31,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:29:31,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:29:33,654 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:29:33,654 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-10-12 17:29:33,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5326 conditions, 1254 events. 848/1254 cut-off events. For 325/325 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 5445 event pairs, 4 based on Foata normal form. 0/695 useless extension candidates. Maximal degree in co-relation 3144. Up to 458 conditions per place. [2023-10-12 17:29:33,659 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:29:34,042 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:29:34,042 INFO L430 stractBuchiCegarLoop]: Abstraction has has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:29:34,042 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:29:34,043 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:29:35,753 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:29:35,754 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-10-12 17:29:35,754 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:29:35,758 INFO L201 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:29:35 BoogieIcfgContainer [2023-10-12 17:29:35,758 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:29:35,758 INFO L158 Benchmark]: Toolchain (without parser) took 8555.96ms. Allocated memory was 245.4MB in the beginning and 790.6MB in the end (delta: 545.3MB). Free memory was 196.9MB in the beginning and 626.5MB in the end (delta: -429.6MB). Peak memory consumption was 388.9MB. Max. memory is 8.0GB. [2023-10-12 17:29:35,758 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 245.4MB. Free memory is still 197.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:29:35,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.11ms. Allocated memory is still 245.4MB. Free memory was 196.7MB in the beginning and 195.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:29:35,759 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 245.4MB. Free memory was 195.2MB in the beginning and 194.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:29:35,759 INFO L158 Benchmark]: RCFGBuilder took 284.35ms. Allocated memory is still 245.4MB. Free memory was 194.0MB in the beginning and 183.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:29:35,759 INFO L158 Benchmark]: BuchiAutomizer took 8224.91ms. Allocated memory was 245.4MB in the beginning and 790.6MB in the end (delta: 545.3MB). Free memory was 183.2MB in the beginning and 626.5MB in the end (delta: -443.2MB). Peak memory consumption was 375.2MB. Max. memory is 8.0GB. [2023-10-12 17:29:35,760 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 0.24ms. Allocated memory is still 245.4MB. Free memory is still 197.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.11ms. Allocated memory is still 245.4MB. Free memory was 196.7MB in the beginning and 195.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 245.4MB. Free memory was 195.2MB in the beginning and 194.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 284.35ms. Allocated memory is still 245.4MB. Free memory was 194.0MB in the beginning and 183.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 8224.91ms. Allocated memory was 245.4MB in the beginning and 790.6MB in the end (delta: 545.3MB). Free memory was 183.2MB in the beginning and 626.5MB in the end (delta: -443.2MB). Peak memory consumption was 375.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function M + -1 * j and consists of 5 locations. One deterministic module has affine ranking function -1 * k + N and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.0s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 310 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 146 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital107 mio100 ax100 hnf100 lsp305 ukn30 mio100 lsp60 div100 bol100 ite100 ukn100 eq163 hnf97 smp98 dnf193 smp45 tf100 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 72ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 33 PlacesBefore, 22 PlacesAfterwards, 26 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:29:35,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...