/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:26:46,483 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:26:46,544 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 17:26:46,573 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:26:46,573 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:26:46,574 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:26:46,574 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:26:46,575 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:26:46,575 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:26:46,578 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:26:46,578 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:26:46,578 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:26:46,578 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:26:46,579 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:26:46,579 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:26:46,579 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:26:46,580 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:26:46,580 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:26:46,580 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:26:46,580 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:26:46,580 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:26:46,581 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:26:46,581 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:26:46,582 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:26:46,582 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:26:46,582 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:26:46,582 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:26:46,582 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:26:46,582 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:26:46,582 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:26:46,583 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:26:46,583 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:26:46,583 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:26:46,585 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:26:46,585 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:26:46,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:26:46,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:26:46,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:26:46,793 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:26:46,793 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:26:46,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2023-10-12 17:26:46,795 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2023-10-12 17:26:46,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:26:46,826 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:26:46,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:26:46,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:26:46,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:26:46,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,847 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:26:46,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:26:46,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:26:46,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:26:46,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:26:46,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:26:46,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:26:46,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:26:46,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:26:46,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/1) ... [2023-10-12 17:26:46,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:46,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:46,894 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 17:26:46,913 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 17:26:46,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:26:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:26:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:26:46,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:26:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:26:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:26:46,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:26:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:26:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:26:46,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:26:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:26:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:26:46,926 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 17:26:46,966 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:26:46,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:26:47,053 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:26:47,066 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:26:47,066 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:26:47,068 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:26:47 BoogieIcfgContainer [2023-10-12 17:26:47,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:26:47,069 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:26:47,069 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:26:47,076 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:26:47,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:26:47,077 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:46" (1/2) ... [2023-10-12 17:26:47,078 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35f632c4 and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:26:47, skipping insertion in model container [2023-10-12 17:26:47,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:26:47,079 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:26:47" (2/2) ... [2023-10-12 17:26:47,085 INFO L332 chiAutomizerObserver]: Analyzing ICFG dot-product.wvr.bpl [2023-10-12 17:26:47,126 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:26:47,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:26:47,175 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:26:47,175 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:26:47,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:26:47,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:26:47,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:47,195 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:26:47,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:47,207 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:47,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:47,217 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:26:47,217 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:26:47,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:26:47,219 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:26:47,494 INFO L134 LiptonReduction]: Checked pairs total: 96 [2023-10-12 17:26:47,495 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:26:47,505 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:26:47,505 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:26:47,505 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:26:47,506 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:26:47,506 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:26:47,506 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:26:47,506 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:26:47,506 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:26:47,506 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:26:47,509 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:47,510 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:26:47,510 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:26:47,512 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:47,515 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:26:47,516 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:26:47,518 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:47,518 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:26:47,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:26:47,519 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:47,522 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L60: Formula: (and (= v_i_19 v_res1_19) (= v_M_14 v_k_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_j_19) (= v_i_19 v_res2_29)) InVars {N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} OutVars{N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} AuxVars[] AssignedVars[] 42#[L60]true [81] L60-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L24-1, L60-1]true [2023-10-12 17:26:47,523 INFO L750 eck$LassoCheckResult]: Loop: 44#[L24-1, L60-1]true [97] L24-1-->L24-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= (+ (select (select v_mult_14 (select v_A_14 v_i_16)) (select v_B_14 v_i_16)) v_res1_12) v_res1_11) (< v_i_16 v_N_12)) InVars {A=v_A_14, N=v_N_12, res1=v_res1_12, mult=v_mult_14, i=v_i_16, B=v_B_14} OutVars{A=v_A_14, N=v_N_12, res1=v_res1_11, mult=v_mult_14, i=v_i_15, B=v_B_14} AuxVars[] AssignedVars[res1, i] 44#[L24-1, L60-1]true [2023-10-12 17:26:47,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:47,527 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:26:47,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:47,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843178852] [2023-10-12 17:26:47,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:47,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:47,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:47,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:47,613 INFO L85 PathProgramCache]: Analyzing trace with hash 128, now seen corresponding path program 1 times [2023-10-12 17:26:47,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:47,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300589043] [2023-10-12 17:26:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:47,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:47,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:47,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:47,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:47,624 INFO L85 PathProgramCache]: Analyzing trace with hash 130421, now seen corresponding path program 1 times [2023-10-12 17:26:47,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:47,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218516232] [2023-10-12 17:26:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:47,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:47,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:47,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:47,715 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:47,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:47,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:47,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:47,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:47,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:47,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:47,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:47,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:26:47,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:47,716 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:47,726 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 17:26:47,733 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 17:26:47,755 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 17:26:47,758 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 17:26:47,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:47,842 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:47,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:47,846 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 17:26:47,847 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 17:26:47,849 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 17:26:47,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:47,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:47,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:47,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:47,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:47,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:47,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:47,885 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 17:26:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:47,888 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 17:26:47,889 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 17:26:47,891 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 17:26:47,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:47,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:47,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:47,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:47,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:47,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:47,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:47,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:47,901 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 17:26:47,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:47,902 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 17:26:47,903 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 17:26:47,906 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 17:26:47,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:47,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:47,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:47,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:47,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:47,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:47,933 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:47,945 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:26:47,946 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:26:47,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:47,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:47,952 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 17:26:47,952 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 17:26:47,956 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:47,966 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:26:47,966 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:47,967 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:26:47,970 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 17:26:47,973 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:26:47,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:48,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:26:48,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:48,023 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:26:48,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:48,024 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 17:26:48,061 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 17:26:48,067 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 17:26:48,068 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:26:48,159 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 256 transitions. [2023-10-12 17:26:48,160 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:48,164 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:48,165 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 17:26:48,170 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 17:26:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:26:48,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:26:48,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:48,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:26:48,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:48,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:26:48,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:48,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:48,223 INFO L124 PetriNetUnfolderBase]: 135/207 cut-off events. [2023-10-12 17:26:48,224 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-10-12 17:26:48,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 207 events. 135/207 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 560 event pairs, 18 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 344. Up to 71 conditions per place. [2023-10-12 17:26:48,225 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:48,230 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:48,230 INFO L430 stractBuchiCegarLoop]: Abstraction has has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:48,231 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:26:48,231 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:48,241 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:48,241 INFO L124 PetriNetUnfolderBase]: 25/39 cut-off events. [2023-10-12 17:26:48,241 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-10-12 17:26:48,241 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:48,242 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L60: Formula: (and (= v_i_19 v_res1_19) (= v_M_14 v_k_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_j_19) (= v_i_19 v_res2_29)) InVars {N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} OutVars{N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} AuxVars[] AssignedVars[] 42#[L60]true [81] L60-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L24-1, L60-1]true [84] L60-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L61, L24-1, L35-1]true [2023-10-12 17:26:48,242 INFO L750 eck$LassoCheckResult]: Loop: 89#[L61, L24-1, L35-1]true [95] L35-1-->L35-1: Formula: (and (= (+ v_res2_22 (select (select v_mult_12 (select v_A_12 v_j_16)) (select v_B_12 v_j_16))) v_res2_21) (= v_j_15 (+ v_j_16 1)) (< v_j_16 v_M_10)) InVars {A=v_A_12, M=v_M_10, j=v_j_16, mult=v_mult_12, res2=v_res2_22, B=v_B_12} OutVars{A=v_A_12, M=v_M_10, j=v_j_15, mult=v_mult_12, res2=v_res2_21, B=v_B_12} AuxVars[] AssignedVars[j, res2] 89#[L61, L24-1, L35-1]true [95] L35-1-->L35-1: Formula: (and (= (+ v_res2_22 (select (select v_mult_12 (select v_A_12 v_j_16)) (select v_B_12 v_j_16))) v_res2_21) (= v_j_15 (+ v_j_16 1)) (< v_j_16 v_M_10)) InVars {A=v_A_12, M=v_M_10, j=v_j_16, mult=v_mult_12, res2=v_res2_22, B=v_B_12} OutVars{A=v_A_12, M=v_M_10, j=v_j_15, mult=v_mult_12, res2=v_res2_21, B=v_B_12} AuxVars[] AssignedVars[j, res2] 89#[L61, L24-1, L35-1]true [2023-10-12 17:26:48,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,244 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:26:48,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:48,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105846628] [2023-10-12 17:26:48,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:48,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:48,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,259 INFO L85 PathProgramCache]: Analyzing trace with hash 4001, now seen corresponding path program 1 times [2023-10-12 17:26:48,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:48,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480785690] [2023-10-12 17:26:48,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:48,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:48,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,268 INFO L85 PathProgramCache]: Analyzing trace with hash 125325128, now seen corresponding path program 1 times [2023-10-12 17:26:48,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:48,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426391024] [2023-10-12 17:26:48,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:48,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:48,389 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:48,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:48,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:48,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:48,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:48,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:48,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:48,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:26:48,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:48,389 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:48,391 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 17:26:48,393 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 17:26:48,397 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 17:26:48,432 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 17:26:48,434 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 17:26:48,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:26:48,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:48,525 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:48,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,527 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 17:26:48,529 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 17:26:48,530 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 17:26:48,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:48,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:48,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,567 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 17:26:48,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,573 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 17:26:48,576 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 17:26:48,577 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 17:26:48,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:48,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:48,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,607 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 17:26:48,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,608 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 17:26:48,615 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 17:26:48,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:48,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:48,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:48,625 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 17:26:48,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,639 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 17:26:48,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,641 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 17:26:48,643 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 17:26:48,645 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 17:26:48,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:48,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:48,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:48,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:48,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,675 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 17:26:48,676 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 17:26:48,678 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 17:26:48,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:48,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:48,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:48,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,695 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 17:26:48,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,697 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 17:26:48,699 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 17:26:48,700 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 17:26:48,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:48,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:48,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:48,741 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:26:48,741 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:26:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,742 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 17:26:48,745 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 17:26:48,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:48,810 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:26:48,810 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:48,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, j) = 1*N - 1*j Supporting invariants [-1*M + 1*N >= 0] [2023-10-12 17:26:48,815 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 17:26:48,819 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-10-12 17:26:48,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:48,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:26:48,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:48,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:26:48,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:26:48,900 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-10-12 17:26:48,900 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:26:49,154 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 473 transitions. [2023-10-12 17:26:49,155 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:49,168 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2023-10-12 17:26:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:26:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 270 transitions. [2023-10-12 17:26:49,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 270 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:26:49,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:49,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 270 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:26:49,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:49,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 270 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:26:49,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:49,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:49,249 INFO L124 PetriNetUnfolderBase]: 383/568 cut-off events. [2023-10-12 17:26:49,249 INFO L125 PetriNetUnfolderBase]: For 145/145 co-relation queries the response was YES. [2023-10-12 17:26:49,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1875 conditions, 568 events. 383/568 cut-off events. For 145/145 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2015 event pairs, 22 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 1278. Up to 202 conditions per place. [2023-10-12 17:26:49,250 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:49,289 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:49,289 INFO L430 stractBuchiCegarLoop]: Abstraction has has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:49,289 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:26:49,289 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:49,324 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 17:26:49,335 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:49,335 INFO L124 PetriNetUnfolderBase]: 137/194 cut-off events. [2023-10-12 17:26:49,335 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-10-12 17:26:49,336 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:49,336 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L60: Formula: (and (= v_i_19 v_res1_19) (= v_M_14 v_k_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_j_19) (= v_i_19 v_res2_29)) InVars {N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} OutVars{N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} AuxVars[] AssignedVars[] 42#[L60]true [81] L60-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L24-1, L60-1]true [84] L60-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L61, L24-1, L35-1]true [97] L24-1-->L24-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= (+ (select (select v_mult_14 (select v_A_14 v_i_16)) (select v_B_14 v_i_16)) v_res1_12) v_res1_11) (< v_i_16 v_N_12)) InVars {A=v_A_14, N=v_N_12, res1=v_res1_12, mult=v_mult_14, i=v_i_16, B=v_B_14} OutVars{A=v_A_14, N=v_N_12, res1=v_res1_11, mult=v_mult_14, i=v_i_15, B=v_B_14} AuxVars[] AssignedVars[res1, i] 89#[L61, L24-1, L35-1]true [87] L61-->L46-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 168#[L46-1, L62, L24-1, L35-1]true [2023-10-12 17:26:49,336 INFO L750 eck$LassoCheckResult]: Loop: 168#[L46-1, L62, L24-1, L35-1]true [92] L46-1-->L46-1: Formula: (and (= v_k_13 (+ v_k_14 1)) (= v_res2_15 (+ v_res2_16 (select (select v_mult_10 (select v_A_10 v_k_14)) (select v_B_10 v_k_14)))) (< v_k_14 v_N_8)) InVars {A=v_A_10, N=v_N_8, k=v_k_14, mult=v_mult_10, res2=v_res2_16, B=v_B_10} OutVars{A=v_A_10, N=v_N_8, k=v_k_13, mult=v_mult_10, res2=v_res2_15, B=v_B_10} AuxVars[] AssignedVars[k, res2] 168#[L46-1, L62, L24-1, L35-1]true [92] L46-1-->L46-1: Formula: (and (= v_k_13 (+ v_k_14 1)) (= v_res2_15 (+ v_res2_16 (select (select v_mult_10 (select v_A_10 v_k_14)) (select v_B_10 v_k_14)))) (< v_k_14 v_N_8)) InVars {A=v_A_10, N=v_N_8, k=v_k_14, mult=v_mult_10, res2=v_res2_16, B=v_B_10} OutVars{A=v_A_10, N=v_N_8, k=v_k_13, mult=v_mult_10, res2=v_res2_15, B=v_B_10} AuxVars[] AssignedVars[k, res2] 168#[L46-1, L62, L24-1, L35-1]true [2023-10-12 17:26:49,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash 125325182, now seen corresponding path program 1 times [2023-10-12 17:26:49,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:49,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540779160] [2023-10-12 17:26:49,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:49,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:49,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:49,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:49,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:49,356 INFO L85 PathProgramCache]: Analyzing trace with hash 3905, now seen corresponding path program 1 times [2023-10-12 17:26:49,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:49,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757468994] [2023-10-12 17:26:49,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:49,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:49,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:49,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:49,369 INFO L85 PathProgramCache]: Analyzing trace with hash 178418558, now seen corresponding path program 1 times [2023-10-12 17:26:49,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:49,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759742870] [2023-10-12 17:26:49,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:49,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:49,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:49,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:49,536 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:49,536 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:49,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:49,536 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:49,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:49,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:49,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:49,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:26:49,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:49,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:49,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:26:49,540 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 17:26:49,542 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 17:26:49,545 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 17:26:49,592 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 17:26:49,594 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 17:26:49,596 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 17:26:49,599 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 17:26:49,602 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 17:26:49,702 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:49,702 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:49,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,704 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 17:26:49,706 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 17:26:49,707 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 17:26:49,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:49,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:49,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:49,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:49,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,738 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 17:26:49,739 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 17:26:49,741 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 17:26:49,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:49,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:49,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:49,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:49,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,770 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 17:26:49,772 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 17:26:49,774 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 17:26:49,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:49,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:49,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:49,801 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 17:26:49,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,802 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:49,809 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 17:26:49,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:49,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:49,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:49,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:26:49,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:49,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:49,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,832 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:49,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:26:49,836 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 17:26:49,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:49,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:49,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:49,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:49,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:49,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,865 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:49,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:26:49,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:26:49,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:49,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:49,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:49,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:49,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:49,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,898 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:49,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:26:49,904 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 17:26:49,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:49,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:49,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:49,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:49,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:49,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:49,929 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:49,937 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:26:49,937 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:26:49,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:49,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:49,939 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:49,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:49,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:26:49,966 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:26:49,967 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:49,967 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:26:49,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:49,976 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:26:49,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:49,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:26:49,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:50,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:26:50,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:26:50,018 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:26:50,018 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:26:50,107 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 338 transitions. [2023-10-12 17:26:50,108 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:50,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:50,516 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:26:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:26:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:26:50,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:26:50,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:50,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:26:50,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:50,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:26:50,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:50,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:53,120 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:26:53,120 INFO L125 PetriNetUnfolderBase]: For 357/357 co-relation queries the response was YES. [2023-10-12 17:26:53,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5326 conditions, 1254 events. 848/1254 cut-off events. For 357/357 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5364 event pairs, 8 based on Foata normal form. 0/695 useless extension candidates. Maximal degree in co-relation 3144. Up to 458 conditions per place. [2023-10-12 17:26:53,124 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:53,616 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:53,616 INFO L430 stractBuchiCegarLoop]: Abstraction has has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:53,616 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:26:53,616 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:56,721 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:26:56,721 INFO L125 PetriNetUnfolderBase]: For 357/357 co-relation queries the response was YES. [2023-10-12 17:26:56,721 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:26:56,725 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:26:56 BoogieIcfgContainer [2023-10-12 17:26:56,725 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:26:56,726 INFO L158 Benchmark]: Toolchain (without parser) took 9899.82ms. Allocated memory was 222.3MB in the beginning and 729.8MB in the end (delta: 507.5MB). Free memory was 173.5MB in the beginning and 499.1MB in the end (delta: -325.6MB). Peak memory consumption was 375.4MB. Max. memory is 8.0GB. [2023-10-12 17:26:56,726 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 222.3MB. Free memory is still 174.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:26:56,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.88ms. Allocated memory is still 222.3MB. Free memory was 173.4MB in the beginning and 171.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:26:56,727 INFO L158 Benchmark]: Boogie Preprocessor took 20.32ms. Allocated memory is still 222.3MB. Free memory was 171.9MB in the beginning and 170.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:26:56,727 INFO L158 Benchmark]: RCFGBuilder took 198.09ms. Allocated memory is still 222.3MB. Free memory was 170.8MB in the beginning and 160.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:26:56,727 INFO L158 Benchmark]: BuchiAutomizer took 9656.76ms. Allocated memory was 222.3MB in the beginning and 729.8MB in the end (delta: 507.5MB). Free memory was 160.7MB in the beginning and 499.1MB in the end (delta: -338.4MB). Peak memory consumption was 361.8MB. Max. memory is 8.0GB. [2023-10-12 17:26:56,729 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 0.20ms. Allocated memory is still 222.3MB. Free memory is still 174.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.88ms. Allocated memory is still 222.3MB. Free memory was 173.4MB in the beginning and 171.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.32ms. Allocated memory is still 222.3MB. Free memory was 171.9MB in the beginning and 170.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 198.09ms. Allocated memory is still 222.3MB. Free memory was 170.8MB in the beginning and 160.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 9656.76ms. Allocated memory was 222.3MB in the beginning and 729.8MB in the end (delta: 507.5MB). Free memory was 160.7MB in the beginning and 499.1MB in the end (delta: -338.4MB). Peak memory consumption was 361.8MB. 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 N + -1 * j and consists of 7 locations. One deterministic module has affine ranking function -1 * k + N and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.5s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 344 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 526 IncrementalHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 165 mSDtfsCounter, 526 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital68 mio100 ax100 hnf100 lsp76 ukn65 mio100 lsp68 div100 bol100 ite100 ukn100 eq156 hnf92 smp100 dnf100 smp100 tf100 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms 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, 33 PlacesBefore, 22 PlacesAfterwards, 26 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 78, unknown conditional: 0, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:26:56,741 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... [2023-10-12 17:26:45,614 INFO L124 PetriNetUnfolderBase]: 14218/18208 cut-off events. [2023-10-12 17:26:45,614 INFO L125 PetriNetUnfolderBase]: For 1977/1977 co-relation queries the response was YES. [2023-10-12 17:26:45,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112056 conditions, 18208 events. 14218/18208 cut-off events. For 1977/1977 co-relation queries the response was YES. Maximal size of possible extension queue 828. Compared 81098 event pairs, 6 based on Foata normal form. 0/9030 useless extension candidates. Maximal degree in co-relation 97228. Up to 10515 conditions per place. [2023-10-12 17:26:45,626 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 75 places, 33888 transitions, 423936 flow [2023-10-12 17:26:46,029 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 75 places, 33888 transitions, 423936 flow [2023-10-12 17:26:46,029 INFO L430 stractBuchiCegarLoop]: Abstraction has has 75 places, 33888 transitions, 423936 flow [2023-10-12 17:26:46,029 INFO L337 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-10-12 17:26:46,029 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 places, 33888 transitions, 423936 flow [2023-10-12 17:26:48,116 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:48,116 INFO L124 PetriNetUnfolderBase]: 321/473 cut-off events. [2023-10-12 17:26:48,117 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-10-12 17:26:48,117 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:48,117 INFO L748 eck$LassoCheckResult]: Stem: 52#[$Ultimate##0]true [161] $Ultimate##0-->L68: Formula: (and (= v_i1_21 v_j1_27) (= v_i1_21 v_res1_15) (< v_M_14 v_N_16) (<= 0 v_M_14) (= v_i1_21 v_res2_41) (= v_i1_21 0) (= v_M_14 v_k1_27)) InVars {N=v_N_16, M=v_M_14, res1=v_res1_15, i1=v_i1_21, res2=v_res2_41, k1=v_k1_27, j1=v_j1_27} OutVars{N=v_N_16, M=v_M_14, res1=v_res1_15, i1=v_i1_21, res2=v_res2_41, k1=v_k1_27, j1=v_j1_27} AuxVars[] AssignedVars[] 54#[L68]true [132] L68-->L25: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 56#[L68-1, L25]true [135] L68-1-->L38: 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] 109#[L69, L38, L25]true [151] L25-->L27-1: Formula: (and (< v_i1_19 v_N_12) (= v_i2_10 0)) InVars {N=v_N_12, i1=v_i1_19} OutVars{N=v_N_12, i1=v_i1_19, i2=v_i2_10} AuxVars[] AssignedVars[i2] 239#[L27-1, L38, L69]true [138] L69-->L51: 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] 316#[L27-1, L51, L38, L70]true [148] L51-->L53-1: Formula: (and (< v_k1_19 v_N_8) (= v_k2_10 0)) InVars {N=v_N_8, k1=v_k1_19} OutVars{N=v_N_8, k1=v_k1_19, k2=v_k2_10} AuxVars[] AssignedVars[k2] 318#[L27-1, L53-1, L38, L70]true [154] L53-1-->L51: Formula: (and (= (+ v_k1_22 1) v_k1_21) (<= (select v_A_13 v_k1_22) v_k2_12)) InVars {A=v_A_13, k1=v_k1_22, k2=v_k2_12} OutVars{A=v_A_13, k1=v_k1_21, k2=v_k2_12} AuxVars[] AssignedVars[k1] 316#[L27-1, L51, L38, L70]true [2023-10-12 17:26:48,117 INFO L750 eck$LassoCheckResult]: Loop: 316#[L27-1, L51, L38, L70]true [148] L51-->L53-1: Formula: (and (< v_k1_19 v_N_8) (= v_k2_10 0)) InVars {N=v_N_8, k1=v_k1_19} OutVars{N=v_N_8, k1=v_k1_19, k2=v_k2_10} AuxVars[] AssignedVars[k2] 318#[L27-1, L53-1, L38, L70]true [154] L53-1-->L51: Formula: (and (= (+ v_k1_22 1) v_k1_21) (<= (select v_A_13 v_k1_22) v_k2_12)) InVars {A=v_A_13, k1=v_k1_22, k2=v_k2_12} OutVars{A=v_A_13, k1=v_k1_21, k2=v_k2_12} AuxVars[] AssignedVars[k1] 316#[L27-1, L51, L38, L70]true [2023-10-12 17:26:48,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1784593316, now seen corresponding path program 1 times [2023-10-12 17:26:48,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:48,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038668298] [2023-10-12 17:26:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:48,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,129 INFO L85 PathProgramCache]: Analyzing trace with hash 5703, now seen corresponding path program 2 times [2023-10-12 17:26:48,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:48,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046349982] [2023-10-12 17:26:48,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:48,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:48,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1302220830, now seen corresponding path program 2 times [2023-10-12 17:26:48,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:48,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037553071] [2023-10-12 17:26:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:48,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:48,300 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:48,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:48,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:48,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:48,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:48,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:48,301 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:48,301 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product.wvr.bpl_BEv2_Iteration6_Lasso [2023-10-12 17:26:48,301 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:48,301 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:48,302 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 17:26:48,305 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 17:26:48,307 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 17:26:48,322 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 17:26:48,325 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 17:26:48,327 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 17:26:48,330 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 17:26:48,332 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 17:26:48,334 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 17:26:48,337 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 17:26:48,339 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 17:26:48,341 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 17:26:48,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:26:48,458 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:48,458 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:48,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,461 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:48,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:26:48,469 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 17:26:48,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:48,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:48,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:48,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,502 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:48,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:26:48,512 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 17:26:48,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:48,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:48,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:48,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:48,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:26:48,540 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 17:26:48,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:48,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:48,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:48,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:48,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:48,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:48,555 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:48,564 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-10-12 17:26:48,564 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:26:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:48,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:48,566 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:26:48,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:26:48,569 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:48,575 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:26:48,575 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:48,575 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k1, N) = -1*k1 + 1*N Supporting invariants [] [2023-10-12 17:26:48,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:48,581 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:26:48,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:48,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:26:48,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:48,619 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:26:48,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:48,635 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 17:26:48,637 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:26:48,637 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 17:26:48,777 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 531 transitions. [2023-10-12 17:26:48,777 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:49,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-10-12 17:26:55,620 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:55,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:26:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 17:26:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 340 transitions. [2023-10-12 17:26:55,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 340 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:26:55,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:55,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 340 transitions. Stem has 9 letters. Loop has 2 letters. [2023-10-12 17:26:55,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:55,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 340 transitions. Stem has 7 letters. Loop has 4 letters. [2023-10-12 17:26:55,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:55,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 526656 transitions, 7649664 flow Received shutdown request... [2023-10-12 17:29:01,184 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-10-12 17:29:01,291 WARN L144 chiPetriNetCegarLoop]: Unhandled de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.occured during abstraction size reduction. Continuing with non-reduced net [2023-10-12 17:29:01,292 INFO L430 stractBuchiCegarLoop]: Abstraction has has 89 places, 526656 transitions, 7649664 flow [2023-10-12 17:29:01,292 INFO L337 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-10-12 17:29:01,292 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 places, 526656 transitions, 7649664 flow [2023-10-12 17:29:01,700 WARN L343 stractBuchiCegarLoop]: Verification cancelled [2023-10-12 17:29:01,705 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:29:01 BoogieIcfgContainer [2023-10-12 17:29:01,706 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:29:01,706 INFO L158 Benchmark]: Toolchain (without parser) took 217386.31ms. Allocated memory was 189.8MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 140.1MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2023-10-12 17:29:01,707 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.32ms. Allocated memory is still 189.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:29:01,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.79ms. Allocated memory is still 189.8MB. Free memory was 140.1MB in the beginning and 138.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:29:01,708 INFO L158 Benchmark]: Boogie Preprocessor took 17.53ms. Allocated memory is still 189.8MB. Free memory was 138.4MB in the beginning and 137.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:29:01,708 INFO L158 Benchmark]: RCFGBuilder took 250.16ms. Allocated memory is still 189.8MB. Free memory was 137.3MB in the beginning and 127.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:29:01,709 INFO L158 Benchmark]: BuchiAutomizer took 217089.75ms. Allocated memory was 189.8MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 127.1MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2023-10-12 17:29:01,713 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 0.32ms. Allocated memory is still 189.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.79ms. Allocated memory is still 189.8MB. Free memory was 140.1MB in the beginning and 138.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.53ms. Allocated memory is still 189.8MB. Free memory was 138.4MB in the beginning and 137.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 250.16ms. Allocated memory is still 189.8MB. Free memory was 137.3MB in the beginning and 127.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 217089.75ms. Allocated memory was 189.8MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 127.1MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 3.3GB. 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 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function -1 * i2 + A[i1] and consists of 4 locations. One deterministic module has affine ranking function -1 * j1 + M and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function A[j1] + -1 * j2 and consists of 5 locations. One deterministic module has affine ranking function N + -1 * k1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7649664 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 216.9s and 7 iterations. TraceHistogramMax:0. Analysis of lassos took 3.1s. Construction of modules took 0.5s. Büchi inclusion checks took 30.4s. 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 [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 865 mSDsluCounter, 842 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 378 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 932 IncrementalHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 464 mSDtfsCounter, 932 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp58 ukn95 mio100 lsp67 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 381ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.5s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing PetriNetUnfolderBuchi. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 45 PlacesBefore, 25 PlacesAfterwards, 41 TransitionsBefore, 21 TransitionsAfterwards, 594 CoEnabledTransitionPairs, 2 FixpointIterations, 6 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 21 TotalNumberOfCompositions, 382 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 382, independent: 382, independent conditional: 0, independent unconditional: 382, 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: 328, independent: 328, independent conditional: 0, independent unconditional: 328, 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: 328, independent: 326, independent conditional: 0, independent unconditional: 326, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 382, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 328, unknown conditional: 0, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, 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 could not prove your program: Timeout Completed graceful shutdown [2023-10-12 17:29:01,753 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