/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 RABIN_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:40:34,079 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:40:34,150 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 17:40:34,181 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:40:34,181 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:40:34,182 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:40:34,183 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:40:34,183 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:40:34,184 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:40:34,189 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:40:34,189 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:40:34,189 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:40:34,189 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:40:34,190 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:40:34,191 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:40:34,191 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:40:34,192 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:40:34,192 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:40:34,192 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:40:34,192 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:40:34,192 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:40:34,193 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:40:34,193 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:40:34,193 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:40:34,193 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:40:34,194 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:40:34,194 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:40:34,194 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:40:34,194 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:40:34,194 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:40:34,195 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:40:34,196 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:40:34,196 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:40:34,197 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:40:34,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:40:34,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:40:34,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:40:34,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:40:34,419 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:40:34,420 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:40:34,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2023-10-12 17:40:34,422 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2023-10-12 17:40:34,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:40:34,458 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:40:34,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:40:34,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:40:34,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:40:34,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,484 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:40:34,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:40:34,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:40:34,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:40:34,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:40:34,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:40:34,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:40:34,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:40:34,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:40:34,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/1) ... [2023-10-12 17:40:34,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:34,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:34,555 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 17:40:34,578 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 17:40:34,591 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:40:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:40:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:40:34,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:40:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:40:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:40:34,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:40:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:40:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:40:34,593 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:40:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:40:34,594 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 17:40:34,646 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:40:34,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:40:34,757 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:40:34,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:40:34,789 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:40:34,797 INFO L201 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:34 BoogieIcfgContainer [2023-10-12 17:40:34,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:40:34,798 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:40:34,798 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:40:34,805 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:40:34,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:40:34,806 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:34" (1/2) ... [2023-10-12 17:40:34,808 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71deb78a and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:40:34, skipping insertion in model container [2023-10-12 17:40:34,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:40:34,808 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:34" (2/2) ... [2023-10-12 17:40:34,809 INFO L332 chiAutomizerObserver]: Analyzing ICFG mts-array.wvr.bpl [2023-10-12 17:40:34,864 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:40:34,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:40:34,910 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:40:34,910 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:40:34,914 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 5. Compared 36 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 17:40:34,914 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:40:34,919 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:34,922 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:40:34,934 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:34,937 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:34,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:34,948 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:40:34,948 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:40:34,949 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 5. Compared 36 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 17:40:34,949 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:40:35,317 INFO L134 LiptonReduction]: Checked pairs total: 96 [2023-10-12 17:40:35,318 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:40:35,330 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:40:35,331 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:40:35,331 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:40:35,332 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:40:35,332 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:40:35,332 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:40:35,332 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:40:35,332 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:40:35,333 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:40:35,337 ERROR L47 etriNetUnfolderRabin]: [1:1A:[103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[][13], 2:2A:[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[101] L24-1-->L24-1: Formula: (and (= (let ((.cse0 (+ (select v_A_17 v_i_16) v_mts1_16))) (ite (< .cse0 0) 0 .cse0)) v_mts1_15) (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_12)) InVars {A=v_A_17, N=v_N_12, i=v_i_16, mts1=v_mts1_16} OutVars{A=v_A_17, N=v_N_12, i=v_i_15, mts1=v_mts1_15} AuxVars[] AssignedVars[i, mts1][12]] [2023-10-12 17:40:35,343 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:35,344 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:40:35,346 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:35,346 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:35,350 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:40:35,350 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:40:35,353 ERROR L47 etriNetUnfolderRabin]: [1:1A:[103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[][13], 2:2A:[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[101] L24-1-->L24-1: Formula: (and (= (let ((.cse0 (+ (select v_A_17 v_i_16) v_mts1_16))) (ite (< .cse0 0) 0 .cse0)) v_mts1_15) (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_12)) InVars {A=v_A_17, N=v_N_12, i=v_i_16, mts1=v_mts1_16} OutVars{A=v_A_17, N=v_N_12, i=v_i_15, mts1=v_mts1_15} AuxVars[] AssignedVars[i, mts1][12]] [2023-10-12 17:40:35,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:35,354 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:40:35,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:35,354 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:35,359 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[] 42#[L61]true [83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L61-1, L24-1]true [2023-10-12 17:40:35,359 INFO L750 eck$LassoCheckResult]: Loop: 44#[L61-1, L24-1]true [101] L24-1-->L24-1: Formula: (and (= (let ((.cse0 (+ (select v_A_17 v_i_16) v_mts1_16))) (ite (< .cse0 0) 0 .cse0)) v_mts1_15) (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_12)) InVars {A=v_A_17, N=v_N_12, i=v_i_16, mts1=v_mts1_16} OutVars{A=v_A_17, N=v_N_12, i=v_i_15, mts1=v_mts1_15} AuxVars[] AssignedVars[i, mts1] 44#[L61-1, L24-1]true [2023-10-12 17:40:35,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:35,371 INFO L85 PathProgramCache]: Analyzing trace with hash 4237, now seen corresponding path program 1 times [2023-10-12 17:40:35,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:35,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396576221] [2023-10-12 17:40:35,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:35,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:35,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:35,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:35,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:35,458 INFO L85 PathProgramCache]: Analyzing trace with hash 132, now seen corresponding path program 1 times [2023-10-12 17:40:35,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:35,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075901143] [2023-10-12 17:40:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:35,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:35,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:35,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:35,476 INFO L85 PathProgramCache]: Analyzing trace with hash 131448, now seen corresponding path program 1 times [2023-10-12 17:40:35,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:35,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028785141] [2023-10-12 17:40:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:35,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:35,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:35,635 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:35,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:35,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:35,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:35,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:35,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:35,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:35,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:35,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: mts-array.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:40:35,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:35,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:35,655 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 17:40:35,664 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 17:40:35,668 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 17:40:35,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:40:35,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:40:35,678 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 17:40:35,860 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:35,864 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:35,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:35,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:35,877 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 17:40:35,879 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 17:40:35,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:35,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:35,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:35,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:35,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:35,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:35,896 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 17:40:35,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:35,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:35,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:35,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:35,913 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 17:40:35,914 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 17:40:35,916 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 17:40:35,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:35,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:35,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:35,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:35,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:35,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:35,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:35,949 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 17:40:35,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:35,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:35,950 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 17:40:35,953 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 17:40:35,955 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 17:40:35,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:35,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:35,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:35,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:35,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:35,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:35,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:35,990 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 17:40:35,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:35,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:35,993 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 17:40:36,001 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 17:40:36,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:36,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:36,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:36,017 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 17:40:36,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:36,037 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 17:40:36,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,039 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 17:40:36,041 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 17:40:36,043 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 17:40:36,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:36,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:36,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:36,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:36,076 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 17:40:36,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,080 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 17:40:36,083 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 17:40:36,085 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 17:40:36,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,095 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:40:36,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,112 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:40:36,113 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:40:36,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:36,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:36,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,157 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 17:40:36,160 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 17:40:36,161 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 17:40:36,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:36,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:36,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:36,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:36,201 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:40:36,201 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:40:36,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,216 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 17:40:36,227 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:36,229 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 17:40:36,235 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:36,236 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:36,236 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:40:36,241 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 17:40:36,244 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:36,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:36,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:36,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:36,306 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:36,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:36,307 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 17:40:36,340 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 17:40:36,418 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 17:40:36,422 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 17:40:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:40:36,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:40:36,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:36,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:40:36,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:36,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:40:36,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:36,430 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 60 transitions, 312 flow [2023-10-12 17:40:36,430 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:40:36,430 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 26 places, 60 transitions, 312 flow [2023-10-12 17:40:36,433 ERROR L47 etriNetUnfolderRabin]: [1:1A:[103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[][52], 2:2A:[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0], 4:3A:[86] L61-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][14]][5:4A:[99] L35-1-->L35-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (+ (select v_A_15 v_j_16) v_mts2_16))) (ite (< .cse0 0) 0 .cse0)) v_mts2_15) (< v_j_16 v_M_10)) InVars {A=v_A_15, M=v_M_10, j=v_j_16, mts2=v_mts2_16} OutVars{A=v_A_15, M=v_M_10, j=v_j_15, mts2=v_mts2_15} AuxVars[] AssignedVars[j, mts2][47]] [2023-10-12 17:40:36,434 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:36,434 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-10-12 17:40:36,434 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:36,434 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:36,435 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[] 42#[L61]true [83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L61-1, L24-1]true [86] L61-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 79#[L62, L24-1, L35-1]true [2023-10-12 17:40:36,435 INFO L750 eck$LassoCheckResult]: Loop: 79#[L62, L24-1, L35-1]true [99] L35-1-->L35-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (+ (select v_A_15 v_j_16) v_mts2_16))) (ite (< .cse0 0) 0 .cse0)) v_mts2_15) (< v_j_16 v_M_10)) InVars {A=v_A_15, M=v_M_10, j=v_j_16, mts2=v_mts2_16} OutVars{A=v_A_15, M=v_M_10, j=v_j_15, mts2=v_mts2_15} AuxVars[] AssignedVars[j, mts2] 79#[L62, L24-1, L35-1]true [2023-10-12 17:40:36,436 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:36,437 INFO L85 PathProgramCache]: Analyzing trace with hash 131433, now seen corresponding path program 1 times [2023-10-12 17:40:36,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:36,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009814811] [2023-10-12 17:40:36,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:36,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:36,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:36,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:36,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:36,462 INFO L85 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2023-10-12 17:40:36,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:36,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871928001] [2023-10-12 17:40:36,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:36,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:36,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:36,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash 4074522, now seen corresponding path program 1 times [2023-10-12 17:40:36,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:36,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921405272] [2023-10-12 17:40:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:36,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:36,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:36,618 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:36,618 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:36,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:36,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:36,618 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:36,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:36,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:36,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: mts-array.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:40:36,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:36,618 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:36,620 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 17:40:36,626 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 17:40:36,666 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 17:40:36,669 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 17:40:36,672 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 17:40:36,674 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 17:40:36,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:40:36,682 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 17:40:36,821 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:36,821 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,823 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 17:40:36,825 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 17:40:36,827 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 17:40:36,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:36,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:36,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:36,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:36,862 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 17:40:36,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,870 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 17:40:36,880 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 17:40:36,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,889 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:40:36,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,900 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:40:36,900 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:40:36,907 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 17:40:36,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:36,928 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 17:40:36,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,930 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 17:40:36,932 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 17:40:36,934 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 17:40:36,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:36,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:36,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:36,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:36,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:36,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:36,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:36,993 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:40:36,993 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:40:36,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:36,999 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 17:40:37,001 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 17:40:37,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:37,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:37,038 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:37,038 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:40:37,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:37,046 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:37,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:37,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:37,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:37,076 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:37,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:37,076 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 17:40:37,077 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 17:40:37,137 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 17:40:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:40:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:40:37,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:40:37,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:37,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:40:37,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:37,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:40:37,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:37,140 INFO L430 stractBuchiCegarLoop]: Abstraction has has 30 places, 240 transitions, 1728 flow [2023-10-12 17:40:37,140 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:40:37,140 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 30 places, 240 transitions, 1728 flow [2023-10-12 17:40:37,143 ERROR L47 etriNetUnfolderRabin]: [1:1A:[103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[][209], 2:2A:[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][1], 4:3A:[86] L61-1-->L35-1: 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][57], 7:4A:[89] L62-->L46-1: 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][95]][8:5A:[94] L46-1-->L46-1: Formula: (let ((.cse0 (select v_A_13 v_k_19))) (and (= v_sum_13 (+ v_sum_14 .cse0)) (= v_k_18 (+ v_k_19 1)) (< v_k_19 v_N_8) (= (let ((.cse1 (+ v_mts3_10 .cse0))) (ite (< .cse1 0) 0 .cse1)) v_mts3_9))) InVars {sum=v_sum_14, A=v_A_13, N=v_N_8, k=v_k_19, mts3=v_mts3_10} OutVars{sum=v_sum_13, A=v_A_13, N=v_N_8, k=v_k_18, mts3=v_mts3_9} AuxVars[] AssignedVars[sum, k, mts3][126]] [2023-10-12 17:40:37,143 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:37,143 INFO L124 PetriNetUnfolderBase]: 2/7 cut-off events. [2023-10-12 17:40:37,143 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:40:37,143 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:37,144 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [103] $Ultimate##0-->L61: Formula: (and (= v_i_19 v_sum_23) (= v_i_19 v_mts1_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_mts2_19) (= v_i_19 v_j_19) (= v_M_14 v_k_24) (= v_i_19 v_mts3_19)) InVars {sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} OutVars{sum=v_sum_23, N=v_N_16, M=v_M_14, k=v_k_24, j=v_j_19, i=v_i_19, mts1=v_mts1_19, mts3=v_mts3_19, mts2=v_mts2_19} AuxVars[] AssignedVars[] 42#[L61]true [83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L61-1, L24-1]true [86] L61-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 79#[L62, L24-1, L35-1]true [89] L62-->L46-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 113#[L46-1, L63, L24-1, L35-1]true [2023-10-12 17:40:37,144 INFO L750 eck$LassoCheckResult]: Loop: 113#[L46-1, L63, L24-1, L35-1]true [94] L46-1-->L46-1: Formula: (let ((.cse0 (select v_A_13 v_k_19))) (and (= v_sum_13 (+ v_sum_14 .cse0)) (= v_k_18 (+ v_k_19 1)) (< v_k_19 v_N_8) (= (let ((.cse1 (+ v_mts3_10 .cse0))) (ite (< .cse1 0) 0 .cse1)) v_mts3_9))) InVars {sum=v_sum_14, A=v_A_13, N=v_N_8, k=v_k_19, mts3=v_mts3_10} OutVars{sum=v_sum_13, A=v_A_13, N=v_N_8, k=v_k_18, mts3=v_mts3_9} AuxVars[] AssignedVars[sum, k, mts3] 113#[L46-1, L63, L24-1, L35-1]true [2023-10-12 17:40:37,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:37,144 INFO L85 PathProgramCache]: Analyzing trace with hash 4074512, now seen corresponding path program 1 times [2023-10-12 17:40:37,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:37,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223136038] [2023-10-12 17:40:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:37,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:37,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:37,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:37,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash 125, now seen corresponding path program 1 times [2023-10-12 17:40:37,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:37,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645598000] [2023-10-12 17:40:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:37,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:37,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:37,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:37,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash 126309966, now seen corresponding path program 1 times [2023-10-12 17:40:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934553187] [2023-10-12 17:40:37,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:37,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:37,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:37,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:37,329 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 17:40:37,339 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 17:40:37,390 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:37,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:37,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:37,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:37,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:37,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:37,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:37,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:37,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: mts-array.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:40:37,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:37,390 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:37,392 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 17:40:37,395 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 17:40:37,431 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 17:40:37,433 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 17:40:37,435 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 17:40:37,437 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 17:40:37,440 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 17:40:37,442 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 17:40:37,444 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 17:40:37,446 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 17:40:37,448 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 17:40:37,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:37,604 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:37,609 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 17:40:37,620 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 17:40:37,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:37,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:37,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:37,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:37,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:37,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:37,638 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 17:40:37,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:37,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:37,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:37,651 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 17:40:37,662 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 17:40:37,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:37,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:37,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:37,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:37,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:37,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:37,681 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 17:40:37,689 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:37,698 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:40:37,698 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:40:37,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:37,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:37,699 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 17:40:37,702 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 17:40:37,702 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:37,711 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:37,711 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:37,711 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:40:37,715 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 17:40:37,716 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:37,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:37,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:37,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:37,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:37,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:37,746 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 17:40:37,746 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 17:40:37,823 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 17:40:37,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:40:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:40:37,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:40:37,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:37,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:40:37,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:37,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:40:37,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:37,828 INFO L430 stractBuchiCegarLoop]: Abstraction has has 34 places, 960 transitions, 8832 flow [2023-10-12 17:40:37,828 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:40:37,828 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 34 places, 960 transitions, 8832 flow [2023-10-12 17:40:37,863 INFO L124 PetriNetUnfolderBase]: 90/133 cut-off events. [2023-10-12 17:40:37,864 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-10-12 17:40:37,864 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:40:37,869 INFO L201 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:40:37 BoogieIcfgContainer [2023-10-12 17:40:37,869 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:40:37,870 INFO L158 Benchmark]: Toolchain (without parser) took 3410.87ms. Allocated memory was 188.7MB in the beginning and 271.6MB in the end (delta: 82.8MB). Free memory was 141.5MB in the beginning and 191.4MB in the end (delta: -49.9MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. [2023-10-12 17:40:37,870 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 188.7MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:40:37,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.95ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:40:37,871 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 188.7MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:40:37,871 INFO L158 Benchmark]: RCFGBuilder took 282.56ms. Allocated memory was 188.7MB in the beginning and 271.6MB in the end (delta: 82.8MB). Free memory was 138.8MB in the beginning and 242.2MB in the end (delta: -103.4MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. [2023-10-12 17:40:37,872 INFO L158 Benchmark]: BuchiAutomizer took 3071.04ms. Allocated memory is still 271.6MB. Free memory was 242.2MB in the beginning and 191.4MB in the end (delta: 50.8MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2023-10-12 17:40:37,873 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 188.7MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.95ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 188.7MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 282.56ms. Allocated memory was 188.7MB in the beginning and 271.6MB in the end (delta: 82.8MB). Free memory was 138.8MB in the beginning and 242.2MB in the end (delta: -103.4MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 3071.04ms. Allocated memory is still 271.6MB. Free memory was 242.2MB in the beginning and 191.4MB in the end (delta: 50.8MB). Peak memory consumption was 52.4MB. 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 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 114 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital76 mio100 ax100 hnf100 lsp104 ukn58 mio100 lsp57 div100 bol100 ite100 ukn100 eq163 hnf98 smp100 dnf180 smp56 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 71ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s - 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: 0.4s, 33 PlacesBefore, 22 PlacesAfterwards, 26 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, independent: 96, independent conditional: 0, independent unconditional: 96, 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: 78, independent: 78, independent conditional: 0, independent unconditional: 78, 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: 78, independent: 78, independent conditional: 0, independent unconditional: 78, 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: 96, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 78, unknown conditional: 0, unknown unconditional: 78] , 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 17:40:37,888 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 17:40:38,090 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...