/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/parray-copy.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:40:41,701 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:40:41,780 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 17:40:41,810 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:40:41,810 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:40:41,811 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:40:41,812 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:40:41,812 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:40:41,813 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:40:41,816 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:40:41,817 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:40:41,817 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:40:41,817 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:40:41,818 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:40:41,818 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:40:41,819 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:40:41,819 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:40:41,819 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:40:41,819 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:40:41,820 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:40:41,820 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:40:41,821 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:40:41,821 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:40:41,822 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:40:41,822 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:40:41,822 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:40:41,822 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:40:41,822 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:40:41,823 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:40:41,823 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:40:41,824 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:40:41,824 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:40:41,824 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:40:41,825 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:40:41,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:40:42,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:40:42,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:40:42,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:40:42,103 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:40:42,104 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:40:42,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl [2023-10-12 17:40:42,105 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl' [2023-10-12 17:40:42,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:40:42,136 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:40:42,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:40:42,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:40:42,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:40:42,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,162 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:40:42,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:40:42,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:40:42,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:40:42,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:40:42,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:40:42,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:40:42,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:40:42,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:40:42,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/1) ... [2023-10-12 17:40:42,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:42,219 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 17:40:42,236 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 17:40:42,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:40:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:40:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:40:42,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:40:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:40:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:40:42,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:40:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:40:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:40:42,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:40:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:40:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:40:42,257 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 17:40:42,294 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:40:42,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:40:42,402 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:40:42,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:40:42,416 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:40:42,418 INFO L201 PluginConnector]: Adding new model parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:42 BoogieIcfgContainer [2023-10-12 17:40:42,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:40:42,419 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:40:42,419 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:40:42,422 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:40:42,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:40:42,423 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:42" (1/2) ... [2023-10-12 17:40:42,424 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@241e5452 and model type parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:40:42, skipping insertion in model container [2023-10-12 17:40:42,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:40:42,424 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:42" (2/2) ... [2023-10-12 17:40:42,425 INFO L332 chiAutomizerObserver]: Analyzing ICFG parray-copy.wvr.bpl [2023-10-12 17:40:42,475 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:40:42,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 92 flow [2023-10-12 17:40:42,515 INFO L124 PetriNetUnfolderBase]: 3/28 cut-off events. [2023-10-12 17:40:42,515 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:40:42,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 3/28 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. 0/24 useless extension candidates. Maximal degree in co-relation 20. Up to 2 conditions per place. [2023-10-12 17:40:42,519 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 92 flow [2023-10-12 17:40:42,523 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 74 flow [2023-10-12 17:40:42,525 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:40:42,536 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 74 flow [2023-10-12 17:40:42,539 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 28 transitions, 74 flow [2023-10-12 17:40:42,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 28 transitions, 74 flow [2023-10-12 17:40:42,546 INFO L124 PetriNetUnfolderBase]: 3/28 cut-off events. [2023-10-12 17:40:42,546 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:40:42,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 3/28 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. 0/24 useless extension candidates. Maximal degree in co-relation 20. Up to 2 conditions per place. [2023-10-12 17:40:42,547 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:40:42,795 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:40:42,795 INFO L136 LiptonReduction]: Total number of compositions: 14 [2023-10-12 17:40:42,806 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:40:42,806 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:40:42,806 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:40:42,806 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:40:42,806 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:40:42,806 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:40:42,807 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:40:42,807 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:40:42,807 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:40:42,810 ERROR L47 etriNetUnfolderRabin]: [1:1A:[108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[][14], 2:2A:[85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][5]][3:3A:[103] L22-1-->L22-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= v_B_28 (store v_B_29 v_i_16 (select v_A_15 v_i_16))) (< v_i_16 v_N_15)) InVars {A=v_A_15, N=v_N_15, i=v_i_16, B=v_B_29} OutVars{A=v_A_15, N=v_N_15, i=v_i_15, B=v_B_28} AuxVars[] AssignedVars[i, B][8]] [2023-10-12 17:40:42,812 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:42,812 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:40:42,812 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:42,812 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:42,815 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:40:42,815 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:40:42,816 ERROR L47 etriNetUnfolderRabin]: [1:1A:[108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[][14], 2:2A:[85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][5]][3:3A:[103] L22-1-->L22-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= v_B_28 (store v_B_29 v_i_16 (select v_A_15 v_i_16))) (< v_i_16 v_N_15)) InVars {A=v_A_15, N=v_N_15, i=v_i_16, B=v_B_29} OutVars{A=v_A_15, N=v_N_15, i=v_i_15, B=v_B_28} AuxVars[] AssignedVars[i, B][8]] [2023-10-12 17:40:42,816 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:42,816 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:40:42,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:42,817 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:42,821 INFO L748 eck$LassoCheckResult]: Stem: 42#[$Ultimate##0]true [108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 44#[L60]true [85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 46#[L22-1, L60-1]true [2023-10-12 17:40:42,821 INFO L750 eck$LassoCheckResult]: Loop: 46#[L22-1, L60-1]true [103] L22-1-->L22-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= v_B_28 (store v_B_29 v_i_16 (select v_A_15 v_i_16))) (< v_i_16 v_N_15)) InVars {A=v_A_15, N=v_N_15, i=v_i_16, B=v_B_29} OutVars{A=v_A_15, N=v_N_15, i=v_i_15, B=v_B_28} AuxVars[] AssignedVars[i, B] 46#[L22-1, L60-1]true [2023-10-12 17:40:42,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash 4394, now seen corresponding path program 1 times [2023-10-12 17:40:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:42,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854463919] [2023-10-12 17:40:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:42,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:42,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:42,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:42,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:42,911 INFO L85 PathProgramCache]: Analyzing trace with hash 134, now seen corresponding path program 1 times [2023-10-12 17:40:42,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:42,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452213444] [2023-10-12 17:40:42,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:42,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:42,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:42,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:42,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:42,926 INFO L85 PathProgramCache]: Analyzing trace with hash 136317, now seen corresponding path program 1 times [2023-10-12 17:40:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244132213] [2023-10-12 17:40:42,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:42,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:42,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:42,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:43,079 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:43,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:43,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:43,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:43,080 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:43,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:43,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:43,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: parray-copy.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:40:43,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:43,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:43,093 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 17:40:43,101 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 17:40:43,105 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 17:40:43,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:43,198 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:43,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:43,203 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 17:40:43,212 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 17:40:43,216 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 17:40:43,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:43,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:43,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:43,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:43,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:43,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:43,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:43,250 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 17:40:43,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:43,252 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 17:40:43,264 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 17:40:43,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:43,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:43,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:43,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:43,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:43,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:43,284 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 17:40:43,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:43,300 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 17:40:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:43,302 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 17:40:43,308 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 17:40:43,308 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 17:40:43,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:43,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:43,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:43,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:43,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:43,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:43,343 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:43,372 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:40:43,373 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:40:43,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:43,377 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 17:40:43,378 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 17:40:43,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:43,388 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:43,388 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:43,388 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:40:43,399 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 17:40:43,402 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:43,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:43,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:43,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:43,465 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:43,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:43,466 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 17:40:43,507 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 17:40:43,617 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 17:40:43,622 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 17:40:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 192 transitions. [2023-10-12 17:40:43,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:40:43,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:43,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:40:43,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:43,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:40:43,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:43,638 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 60 transitions, 312 flow [2023-10-12 17:40:43,641 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:40:43,641 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 26 places, 60 transitions, 312 flow [2023-10-12 17:40:43,648 ERROR L47 etriNetUnfolderRabin]: [1:1A:[108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[][57], 2:2A:[85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][21], 4:3A:[88] L60-1-->L33-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][10]][5:4A:[101] L33-1-->L33-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= v_B_24 (store v_B_25 v_j_16 (select v_A_13 v_j_16))) (< v_j_16 v_M_10)) InVars {A=v_A_13, M=v_M_10, j=v_j_16, B=v_B_25} OutVars{A=v_A_13, M=v_M_10, j=v_j_15, B=v_B_24} AuxVars[] AssignedVars[j, B][43]] [2023-10-12 17:40:43,649 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:43,649 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-10-12 17:40:43,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:43,649 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:43,650 INFO L748 eck$LassoCheckResult]: Stem: 42#[$Ultimate##0]true [108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 44#[L60]true [85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 46#[L22-1, L60-1]true [88] L60-1-->L33-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 81#[L22-1, L61, L33-1]true [2023-10-12 17:40:43,650 INFO L750 eck$LassoCheckResult]: Loop: 81#[L22-1, L61, L33-1]true [101] L33-1-->L33-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= v_B_24 (store v_B_25 v_j_16 (select v_A_13 v_j_16))) (< v_j_16 v_M_10)) InVars {A=v_A_13, M=v_M_10, j=v_j_16, B=v_B_25} OutVars{A=v_A_13, M=v_M_10, j=v_j_15, B=v_B_24} AuxVars[] AssignedVars[j, B] 81#[L22-1, L61, L33-1]true [2023-10-12 17:40:43,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:43,654 INFO L85 PathProgramCache]: Analyzing trace with hash 136302, now seen corresponding path program 1 times [2023-10-12 17:40:43,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:43,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061787156] [2023-10-12 17:40:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:43,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:43,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:43,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:43,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:43,665 INFO L85 PathProgramCache]: Analyzing trace with hash 132, now seen corresponding path program 1 times [2023-10-12 17:40:43,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:43,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724339752] [2023-10-12 17:40:43,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:43,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:43,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:43,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:43,674 INFO L85 PathProgramCache]: Analyzing trace with hash 4225463, now seen corresponding path program 1 times [2023-10-12 17:40:43,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:43,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062559451] [2023-10-12 17:40:43,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:43,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:43,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:43,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:43,770 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:43,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:43,771 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:43,771 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:43,771 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:43,771 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:43,771 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:43,771 INFO L133 ssoRankerPreferences]: Filename of dumped script: parray-copy.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:40:43,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:43,772 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:43,773 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 17:40:43,776 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 17:40:43,778 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 17:40:43,793 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 17:40:43,797 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 17:40:43,870 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:43,871 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:43,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:43,872 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 17:40:43,875 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 17:40:43,876 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 17:40:43,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:43,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:43,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:43,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:43,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:43,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:43,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:43,914 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 17:40:43,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:43,915 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 17:40:43,928 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 17:40:43,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:43,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:43,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:43,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:43,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:43,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:43,943 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 17:40:43,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:43,972 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 17:40:43,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:43,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,017 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 17:40:44,019 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 17:40:44,021 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 17:40:44,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:44,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:40:44,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:44,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:44,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:44,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:40:44,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:40:44,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:44,042 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 17:40:44,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,047 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 17:40:44,048 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 17:40:44,051 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 17:40:44,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:44,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:44,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:44,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:44,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:44,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:44,077 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:44,087 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:40:44,088 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-10-12 17:40:44,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,095 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 17:40:44,096 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 17:40:44,097 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:44,115 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:44,115 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:44,115 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:40:44,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-10-12 17:40:44,122 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:44,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:44,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:44,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:44,161 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:44,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:44,165 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 17:40:44,165 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 17:40:44,251 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 17:40:44,252 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 17:40:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 192 transitions. [2023-10-12 17:40:44,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:40:44,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:44,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:40:44,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:44,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:40:44,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:44,253 INFO L430 stractBuchiCegarLoop]: Abstraction has has 30 places, 240 transitions, 1728 flow [2023-10-12 17:40:44,254 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:40:44,254 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 30 places, 240 transitions, 1728 flow [2023-10-12 17:40:44,256 ERROR L47 etriNetUnfolderRabin]: [1:1A:[108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[][230], 2:2A:[85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][86], 4:3A:[88] L60-1-->L33-1: 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][42], 7:4A:[91] L61-->L44-1: 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][13]][8:5A:[98] L44-1-->L44-1: Formula: (and (= v_k_15 (+ v_k_16 1)) (= v_B_20 (store v_B_21 v_k_16 (select v_A_11 v_k_16))) (< v_k_16 v_N_11)) InVars {A=v_A_11, N=v_N_11, k=v_k_16, B=v_B_21} OutVars{A=v_A_11, N=v_N_11, k=v_k_15, B=v_B_20} AuxVars[] AssignedVars[k, B][159]] [2023-10-12 17:40:44,256 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:44,257 INFO L124 PetriNetUnfolderBase]: 2/7 cut-off events. [2023-10-12 17:40:44,257 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:40:44,257 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:44,257 INFO L748 eck$LassoCheckResult]: Stem: 42#[$Ultimate##0]true [108] $Ultimate##0-->L60: Formula: (and (<= 0 v_M_16) (= v_i_21 v_j_21) (< v_M_16 v_N_21) (= v_M_16 v_k_21) (< v_l_12 v_N_21) (<= 0 v_l_12) (= v_i_21 0)) InVars {N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} OutVars{N=v_N_21, M=v_M_16, l=v_l_12, k=v_k_21, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 44#[L60]true [85] L60-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 46#[L22-1, L60-1]true [88] L60-1-->L33-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 81#[L22-1, L61, L33-1]true [91] L61-->L44-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 115#[L22-1, L62, L33-1, L44-1]true [2023-10-12 17:40:44,257 INFO L750 eck$LassoCheckResult]: Loop: 115#[L22-1, L62, L33-1, L44-1]true [98] L44-1-->L44-1: Formula: (and (= v_k_15 (+ v_k_16 1)) (= v_B_20 (store v_B_21 v_k_16 (select v_A_11 v_k_16))) (< v_k_16 v_N_11)) InVars {A=v_A_11, N=v_N_11, k=v_k_16, B=v_B_21} OutVars{A=v_A_11, N=v_N_11, k=v_k_15, B=v_B_20} AuxVars[] AssignedVars[k, B] 115#[L22-1, L62, L33-1, L44-1]true [2023-10-12 17:40:44,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash 4225453, now seen corresponding path program 1 times [2023-10-12 17:40:44,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:44,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771865260] [2023-10-12 17:40:44,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:44,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:44,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:44,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:44,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:44,271 INFO L85 PathProgramCache]: Analyzing trace with hash 129, now seen corresponding path program 1 times [2023-10-12 17:40:44,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:44,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791730667] [2023-10-12 17:40:44,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:44,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:44,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:44,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:44,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:44,283 INFO L85 PathProgramCache]: Analyzing trace with hash 130989141, now seen corresponding path program 1 times [2023-10-12 17:40:44,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:44,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187499178] [2023-10-12 17:40:44,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:44,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:44,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:44,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:44,389 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 17:40:44,399 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 17:40:44,436 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:44,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:44,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:44,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:44,436 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:44,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:44,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:44,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: parray-copy.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:40:44,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:44,437 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:44,438 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 17:40:44,441 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 17:40:44,444 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 17:40:44,447 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 17:40:44,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:40:44,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:40:44,466 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 17:40:44,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:40:44,473 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 17:40:44,573 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:44,573 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:44,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,575 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 17:40:44,588 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 17:40:44,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:44,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:44,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:44,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:44,600 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 17:40:44,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:44,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:44,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:44,622 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 17:40:44,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,624 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 17:40:44,636 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 17:40:44,637 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 17:40:44,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:44,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:44,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:44,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:44,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:44,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:44,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:44,667 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 17:40:44,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,669 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 17:40:44,672 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 17:40:44,673 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 17:40:44,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:44,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:44,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:44,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:44,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:44,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:44,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:44,695 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 17:40:44,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,696 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 17:40:44,698 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 17:40:44,699 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 17:40:44,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:44,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:44,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:44,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:44,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:44,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:44,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:44,760 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-10-12 17:40:44,760 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:40:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:44,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:44,765 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 17:40:44,768 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 17:40:44,769 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:44,802 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:44,802 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:44,802 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, k) = 1*N - 1*k Supporting invariants [] [2023-10-12 17:40:44,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-10-12 17:40:44,808 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:44,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:44,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:44,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:44,841 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:44,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:44,841 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 17:40:44,842 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 17:40:44,925 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 17:40:44,926 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 17:40:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 192 transitions. [2023-10-12 17:40:44,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:40:44,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:44,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:40:44,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:44,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 192 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:40:44,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:44,928 INFO L430 stractBuchiCegarLoop]: Abstraction has has 34 places, 960 transitions, 8832 flow [2023-10-12 17:40:44,928 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:40:44,928 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 34 places, 960 transitions, 8832 flow [2023-10-12 17:40:44,973 INFO L124 PetriNetUnfolderBase]: 90/133 cut-off events. [2023-10-12 17:40:44,973 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-10-12 17:40:44,973 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:40:44,977 INFO L201 PluginConnector]: Adding new model parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:40:44 BoogieIcfgContainer [2023-10-12 17:40:44,978 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:40:44,978 INFO L158 Benchmark]: Toolchain (without parser) took 2841.94ms. Allocated memory was 179.3MB in the beginning and 253.8MB in the end (delta: 74.4MB). Free memory was 133.0MB in the beginning and 184.4MB in the end (delta: -51.5MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. [2023-10-12 17:40:44,979 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 179.3MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:40:44,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.41ms. Allocated memory is still 179.3MB. Free memory was 133.0MB in the beginning and 131.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:40:44,979 INFO L158 Benchmark]: Boogie Preprocessor took 22.34ms. Allocated memory is still 179.3MB. Free memory was 131.2MB in the beginning and 130.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:40:44,980 INFO L158 Benchmark]: RCFGBuilder took 230.77ms. Allocated memory is still 179.3MB. Free memory was 130.2MB in the beginning and 120.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:40:44,980 INFO L158 Benchmark]: BuchiAutomizer took 2558.44ms. Allocated memory was 179.3MB in the beginning and 253.8MB in the end (delta: 74.4MB). Free memory was 119.7MB in the beginning and 184.4MB in the end (delta: -64.7MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2023-10-12 17:40:44,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24ms. Allocated memory is still 179.3MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.41ms. Allocated memory is still 179.3MB. Free memory was 133.0MB in the beginning and 131.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.34ms. Allocated memory is still 179.3MB. Free memory was 131.2MB in the beginning and 130.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 230.77ms. Allocated memory is still 179.3MB. Free memory was 130.2MB in the beginning and 120.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2558.44ms. Allocated memory was 179.3MB in the beginning and 253.8MB in the end (delta: 74.4MB). Free memory was 119.7MB in the beginning and 184.4MB in the end (delta: -64.7MB). Peak memory consumption was 10.0MB. 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 2.4s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. 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, 264 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 124 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf100 lsp72 ukn77 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf93 smp100 dnf100 smp100 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 35 PlacesBefore, 22 PlacesAfterwards, 28 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 8 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:40:45,001 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 17:40:45,201 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...