/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-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:28:25,890 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:28:25,929 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 17:28:25,943 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:28:25,944 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:28:25,944 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:28:25,945 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:28:25,945 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:28:25,945 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:28:25,946 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:28:25,946 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:28:25,946 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:28:25,946 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:28:25,947 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:28:25,947 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:28:25,947 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:28:25,947 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:28:25,947 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:28:25,948 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:28:25,948 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:28:25,948 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:28:25,949 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:28:25,949 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:28:25,949 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:28:25,949 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:28:25,950 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:28:25,950 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:28:25,950 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:28:25,950 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:28:25,951 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:28:25,951 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:28:25,951 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:28:25,951 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:28:25,952 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:28:25,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:28:26,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:28:26,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:28:26,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:28:26,140 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:28:26,140 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:28:26,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2023-10-12 17:28:26,142 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2023-10-12 17:28:26,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:28:26,171 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:28:26,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:28:26,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:28:26,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:28:26,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,190 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:28:26,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:28:26,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:28:26,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:28:26,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:28:26,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:28:26,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:28:26,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:28:26,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:28:26,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/1) ... [2023-10-12 17:28:26,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:26,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:26,238 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 17:28:26,251 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 17:28:26,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:28:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:28:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:28:26,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:28:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:28:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:28:26,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:28:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:28:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:28:26,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:28:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:28:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:28:26,276 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 17:28:26,312 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:28:26,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:28:26,395 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:28:26,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:28:26,408 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:28:26,410 INFO L201 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:28:26 BoogieIcfgContainer [2023-10-12 17:28:26,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:28:26,411 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:28:26,411 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:28:26,414 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:28:26,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:28:26,414 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:28:26" (1/2) ... [2023-10-12 17:28:26,415 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7de6b1af and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:28:26, skipping insertion in model container [2023-10-12 17:28:26,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:28:26,415 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:28:26" (2/2) ... [2023-10-12 17:28:26,417 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2023-10-12 17:28:26,471 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:28:26,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:28:26,531 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:28:26,531 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:28:26,535 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 17:28:26,535 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:28:26,538 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:28:26,540 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:28:26,551 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:28:26,553 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:28:26,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:28:26,559 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:28:26,559 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:28:26,560 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 17:28:26,560 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:28:26,866 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:28:26,866 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:28:26,876 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:28:26,877 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:28:26,877 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:28:26,877 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:28:26,877 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:28:26,878 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:28:26,878 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:28:26,878 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:28:26,879 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:28:26,882 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:28:26,882 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:28:26,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:28:26,883 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:28:26,887 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:28:26,888 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:28:26,889 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:28:26,889 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:28:26,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:28:26,889 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:28:26,892 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [2023-10-12 17:28:26,893 INFO L750 eck$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 17:28:26,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:26,896 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:28:26,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310783113] [2023-10-12 17:28:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:26,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:26,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:26,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash 127, now seen corresponding path program 1 times [2023-10-12 17:28:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:26,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432871521] [2023-10-12 17:28:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:26,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:27,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:27,002 INFO L85 PathProgramCache]: Analyzing trace with hash 130420, now seen corresponding path program 1 times [2023-10-12 17:28:27,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:27,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551862579] [2023-10-12 17:28:27,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:27,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:27,202 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:28:27,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:28:27,203 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:28:27,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:28:27,203 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:28:27,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:27,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:28:27,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:28:27,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-array-hom.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:28:27,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:28:27,203 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:28:27,217 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 17:28:27,226 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 17:28:27,229 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 17:28:27,269 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 17:28:27,271 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 17:28:27,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:28:27,366 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:28:27,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:27,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:27,370 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 17:28:27,376 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 17:28:27,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:27,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:27,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:27,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:27,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:27,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:27,391 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 17:28:27,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:27,409 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 17:28:27,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:27,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:27,429 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 17:28:27,432 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 17:28:27,434 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 17:28:27,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:27,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:27,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:27,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:27,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:27,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:27,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:27,475 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 17:28:27,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:27,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:27,477 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 17:28:27,480 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 17:28:27,481 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 17:28:27,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:27,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:27,488 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:28:27,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:27,497 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:28:27,497 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:28:27,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:27,519 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 17:28:27,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:27,521 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 17:28:27,536 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 17:28:27,536 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 17:28:27,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:27,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:27,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:27,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:27,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:27,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:27,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:28:27,572 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:28:27,573 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:28:27,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:27,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:27,594 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 17:28:27,595 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 17:28:27,597 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:28:27,616 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:28:27,616 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:28:27,616 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:28:27,622 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 17:28:27,625 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:28:27,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:28:27,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:28:27,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:28:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:28:27,687 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:28:27,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:28:27,688 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 17:28:27,722 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 17:28:27,724 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 17:28:27,827 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 17:28:27,828 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:28:27,832 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:28:27,834 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 17:28:27,839 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 17:28:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:28:27,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:28:27,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:27,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:28:27,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:27,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:28:27,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:27,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:28:27,895 INFO L124 PetriNetUnfolderBase]: 135/207 cut-off events. [2023-10-12 17:28:27,895 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-10-12 17:28:27,897 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 17:28:27,897 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:28:27,903 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 32 places, 172 transitions, 904 flow [2023-10-12 17:28:27,903 INFO L430 stractBuchiCegarLoop]: Abstraction has has 32 places, 172 transitions, 904 flow [2023-10-12 17:28:27,903 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:28:27,903 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:28:27,912 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:28:27,912 INFO L124 PetriNetUnfolderBase]: 27/42 cut-off events. [2023-10-12 17:28:27,912 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-10-12 17:28:27,912 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:28:27,913 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L23-1, L60, L34-1]true [2023-10-12 17:28:27,913 INFO L750 eck$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 17:28:27,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:28:27,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:27,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936630059] [2023-10-12 17:28:27,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:27,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 3969, now seen corresponding path program 1 times [2023-10-12 17:28:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819258899] [2023-10-12 17:28:27,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:27,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:27,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:27,952 INFO L85 PathProgramCache]: Analyzing trace with hash 125325096, now seen corresponding path program 1 times [2023-10-12 17:28:27,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:27,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886264552] [2023-10-12 17:28:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:27,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:28,147 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:28:28,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:28:28,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:28:28,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:28:28,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:28:28,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:28:28,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:28:28,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-array-hom.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:28:28,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:28:28,148 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:28:28,152 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 17:28:28,155 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 17:28:28,157 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 17:28:28,159 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 17:28:28,162 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 17:28:28,165 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 17:28:28,279 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 17:28:28,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:28:28,463 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:28:28,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,469 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 17:28:28,472 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 17:28:28,473 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 17:28:28,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:28,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:28,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:28,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:28,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:28,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:28,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:28,515 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 17:28:28,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,517 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 17:28:28,551 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 17:28:28,552 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 17:28:28,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:28,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:28,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:28,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:28,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:28,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:28,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:28,593 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 17:28:28,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,595 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 17:28:28,597 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 17:28:28,599 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 17:28:28,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:28,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:28,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:28,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:28,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:28,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:28,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:28,633 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 17:28:28,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,636 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 17:28:28,637 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 17:28:28,638 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 17:28:28,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:28,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:28,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:28,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:28,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:28,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:28,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:28,674 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 17:28:28,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,686 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 17:28:28,688 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 17:28:28,690 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 17:28:28,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:28,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:28,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:28,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:28,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:28,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:28,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:28,728 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 17:28:28,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:28:28,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,757 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 17:28:28,773 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 17:28:28,775 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 17:28:28,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:28,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:28,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:28,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:28,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:28,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:28,800 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:28:28,815 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:28:28,815 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:28:28,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:28,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:28,817 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 17:28:28,819 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 17:28:28,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:28:28,841 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:28:28,842 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:28:28,842 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:28:28,849 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 17:28:28,853 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:28:28,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:28:28,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:28:28,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:28:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:28:28,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:28:28,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:28:28,888 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 17:28:28,889 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 17:28:28,889 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 17:28:29,006 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 17:28:29,007 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:28:29,029 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:28:29,029 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 17:28:29,030 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 17:28:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:28:29,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:28:29,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:29,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:28:29,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:29,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:28:29,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:29,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:28:29,132 INFO L124 PetriNetUnfolderBase]: 383/568 cut-off events. [2023-10-12 17:28:29,132 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2023-10-12 17:28:29,136 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 17:28:29,136 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:28:29,162 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:28:29,162 INFO L430 stractBuchiCegarLoop]: Abstraction has has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:28:29,164 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:28:29,165 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:28:29,191 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:28:29,191 INFO L124 PetriNetUnfolderBase]: 155/220 cut-off events. [2023-10-12 17:28:29,191 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-10-12 17:28:29,191 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:28:29,191 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 17:28:29,192 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 17:28:29,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash 125325151, now seen corresponding path program 1 times [2023-10-12 17:28:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:29,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445347640] [2023-10-12 17:28:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:29,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:29,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:29,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:29,215 INFO L85 PathProgramCache]: Analyzing trace with hash 4129, now seen corresponding path program 1 times [2023-10-12 17:28:29,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:29,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626320087] [2023-10-12 17:28:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:29,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:29,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:29,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:29,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:29,226 INFO L85 PathProgramCache]: Analyzing trace with hash 178388991, now seen corresponding path program 1 times [2023-10-12 17:28:29,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:28:29,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81654513] [2023-10-12 17:28:29,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:28:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:28:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:29,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:28:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:28:29,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:28:29,455 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:28:29,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:28:29,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:28:29,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:28:29,456 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:28:29,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:29,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:28:29,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:28:29,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-array-hom.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:28:29,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:28:29,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:28:29,458 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 17:28:29,460 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 17:28:29,463 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 17:28:29,465 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 17:28:29,467 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 17:28:29,468 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 17:28:29,470 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 17:28:29,474 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 17:28:29,476 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 17:28:29,582 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 17:28:29,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:28:29,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:28:29,798 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:28:29,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:29,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:29,813 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 17:28:29,816 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 17:28:29,817 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 17:28:29,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:29,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:29,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:29,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:29,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:29,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:29,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:29,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-10-12 17:28:29,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:29,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:29,867 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 17:28:29,869 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 17:28:29,870 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 17:28:29,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:29,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:29,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:29,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:29,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:29,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:29,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:29,899 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 17:28:29,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:29,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:29,900 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 17:28:29,924 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 17:28:29,924 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 17:28:29,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:29,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:29,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:29,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:29,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:29,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:29,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:29,952 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 17:28:29,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:29,953 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 17:28:29,957 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 17:28:29,958 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 17:28:29,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:29,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:29,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:29,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:29,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:29,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:29,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:29,993 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 17:28:29,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:29,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:29,994 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 17:28:30,013 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 17:28:30,014 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 17:28:30,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:30,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:30,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:30,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:30,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:30,042 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 17:28:30,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,044 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 17:28:30,089 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 17:28:30,090 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 17:28:30,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:30,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:30,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:30,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:30,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:30,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:28:30,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,128 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 17:28:30,131 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 17:28:30,132 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 17:28:30,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:30,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:30,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:30,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:30,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:30,160 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 17:28:30,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,162 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 17:28:30,163 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 17:28:30,165 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 17:28:30,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:30,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:30,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:30,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:30,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:30,191 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 17:28:30,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,193 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 17:28:30,206 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 17:28:30,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:30,213 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:28:30,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,217 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 17:28:30,225 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:28:30,225 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:28:30,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:30,267 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 17:28:30,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,270 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 17:28:30,274 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 17:28:30,275 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 17:28:30,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,282 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-10-12 17:28:30,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:30,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,284 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-10-12 17:28:30,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:30,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:28:30,304 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 17:28:30,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,312 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 17:28:30,315 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 17:28:30,316 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 17:28:30,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:28:30,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:28:30,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:28:30,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:28:30,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:28:30,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:28:30,345 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:28:30,353 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:28:30,353 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:28:30,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:28:30,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:28:30,355 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 17:28:30,357 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 17:28:30,358 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:28:30,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:28:30,379 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:28:30,379 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:28:30,397 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 17:28:30,399 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:28:30,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:28:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:28:30,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:28:30,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:28:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:28:30,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:28:30,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:28:30,441 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 17:28:30,442 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 17:28:30,442 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 17:28:30,545 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 17:28:30,545 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:28:30,767 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:28:30,768 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 17:28:30,769 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 17:28:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:28:30,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:28:30,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:30,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:28:30,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:30,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:28:30,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:28:30,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:28:31,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-10-12 17:28:32,853 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:28:32,854 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-10-12 17:28:32,855 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 17:28:32,855 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:28:33,371 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:28:33,378 INFO L430 stractBuchiCegarLoop]: Abstraction has has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:28:33,378 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:28:33,378 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:28:35,399 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:28:35,399 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-10-12 17:28:35,399 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:28:35,403 INFO L201 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:28:35 BoogieIcfgContainer [2023-10-12 17:28:35,403 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:28:35,404 INFO L158 Benchmark]: Toolchain (without parser) took 9232.27ms. Allocated memory was 176.2MB in the beginning and 673.2MB in the end (delta: 497.0MB). Free memory was 126.3MB in the beginning and 338.0MB in the end (delta: -211.6MB). Peak memory consumption was 323.0MB. Max. memory is 8.0GB. [2023-10-12 17:28:35,404 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 176.2MB. Free memory was 127.5MB in the beginning and 127.4MB in the end (delta: 147.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:28:35,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.21ms. Allocated memory is still 176.2MB. Free memory was 126.3MB in the beginning and 124.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-10-12 17:28:35,404 INFO L158 Benchmark]: Boogie Preprocessor took 12.21ms. Allocated memory is still 176.2MB. Free memory was 124.7MB in the beginning and 123.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:28:35,404 INFO L158 Benchmark]: RCFGBuilder took 205.39ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 113.6MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:28:35,405 INFO L158 Benchmark]: BuchiAutomizer took 8992.27ms. Allocated memory was 176.2MB in the beginning and 673.2MB in the end (delta: 497.0MB). Free memory was 113.5MB in the beginning and 338.0MB in the end (delta: -224.5MB). Peak memory consumption was 308.4MB. Max. memory is 8.0GB. [2023-10-12 17:28:35,406 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 0.26ms. Allocated memory is still 176.2MB. Free memory was 127.5MB in the beginning and 127.4MB in the end (delta: 147.1kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.21ms. Allocated memory is still 176.2MB. Free memory was 126.3MB in the beginning and 124.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.21ms. Allocated memory is still 176.2MB. Free memory was 124.7MB in the beginning and 123.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 205.39ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 113.6MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 8992.27ms. Allocated memory was 176.2MB in the beginning and 673.2MB in the end (delta: 497.0MB). Free memory was 113.5MB in the beginning and 338.0MB in the end (delta: -224.5MB). Peak memory consumption was 308.4MB. 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 8.9s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.8s. 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: 56ms 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 17:28:35,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...