/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-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:26:33,172 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:26:33,232 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 17:26:33,260 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:26:33,261 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:26:33,261 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:26:33,262 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:26:33,262 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:26:33,263 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:26:33,266 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:26:33,266 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:26:33,266 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:26:33,266 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:26:33,267 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:26:33,268 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:26:33,268 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:26:33,268 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:26:33,268 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:26:33,268 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:26:33,268 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:26:33,268 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:26:33,269 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:26:33,270 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:26:33,271 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:26:33,271 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:26:33,271 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:26:33,272 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:26:33,273 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:26:33,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:26:33,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:26:33,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:26:33,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:26:33,467 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:26:33,468 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:26:33,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2023-10-12 17:26:33,469 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2023-10-12 17:26:33,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:26:33,498 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:26:33,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:26:33,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:26:33,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:26:33,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,519 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:26:33,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:26:33,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:26:33,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:26:33,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:26:33,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:26:33,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:26:33,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:26:33,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:26:33,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/1) ... [2023-10-12 17:26:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:33,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:33,560 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 17:26:33,569 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 17:26:33,589 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:26:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:26:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:26:33,589 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:26:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:26:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:26:33,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:26:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:26:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:26:33,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:26:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:26:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:26:33,591 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 17:26:33,626 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:26:33,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:26:33,708 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:26:33,721 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:26:33,721 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:26:33,723 INFO L201 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:26:33 BoogieIcfgContainer [2023-10-12 17:26:33,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:26:33,723 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:26:33,736 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:26:33,739 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:26:33,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:26:33,740 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:26:33" (1/2) ... [2023-10-12 17:26:33,741 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@167d119e and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:26:33, skipping insertion in model container [2023-10-12 17:26:33,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:26:33,741 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:26:33" (2/2) ... [2023-10-12 17:26:33,742 INFO L332 chiAutomizerObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2023-10-12 17:26:33,786 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:26:33,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:26:33,820 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:26:33,820 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:26:33,823 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 17:26:33,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:26:33,826 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:33,829 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:26:33,838 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:33,840 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:33,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:26:33,846 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:26:33,846 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:26:33,847 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 17:26:33,847 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:26:34,048 INFO L134 LiptonReduction]: Checked pairs total: 96 [2023-10-12 17:26:34,049 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:26:34,062 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:26:34,062 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:26:34,062 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:26:34,062 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:26:34,062 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:26:34,062 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:26:34,062 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:26:34,062 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:26:34,063 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:26:34,067 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:34,067 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:26:34,068 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:26:34,069 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:34,077 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:26:34,077 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:26:34,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:34,079 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:26:34,079 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:26:34,079 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:34,083 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L60: Formula: (and (= v_i_19 v_res1_19) (= v_M_14 v_k_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_j_19) (= v_i_19 v_res2_29)) InVars {N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} OutVars{N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} AuxVars[] AssignedVars[] 42#[L60]true [81] L60-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L24-1, L60-1]true [2023-10-12 17:26:34,084 INFO L750 eck$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 17:26:34,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:26:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:34,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850832712] [2023-10-12 17:26:34,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:34,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,214 INFO L85 PathProgramCache]: Analyzing trace with hash 128, now seen corresponding path program 1 times [2023-10-12 17:26:34,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:34,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287129040] [2023-10-12 17:26:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:34,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:34,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,227 INFO L85 PathProgramCache]: Analyzing trace with hash 130421, now seen corresponding path program 1 times [2023-10-12 17:26:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:34,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559926434] [2023-10-12 17:26:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:34,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:34,317 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:34,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:34,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:34,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:34,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:34,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:34,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:34,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:34,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product-array.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:26:34,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:34,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:34,329 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 17:26:34,336 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 17:26:34,357 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 17:26:34,359 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 17:26:34,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:34,438 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:34,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:34,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:34,442 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 17:26:34,443 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 17:26:34,445 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 17:26:34,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:34,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:34,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:34,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:34,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:34,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:34,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:34,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:26:34,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:34,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:34,475 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 17:26:34,476 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 17:26:34,478 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 17:26:34,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:34,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:34,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:34,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:34,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:34,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:34,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:34,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:34,507 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 17:26:34,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:34,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:34,509 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 17:26:34,511 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 17:26:34,512 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 17:26:34,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:34,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:34,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:34,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:34,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:34,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:34,543 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:34,561 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:26:34,562 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:26:34,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:34,564 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 17:26:34,565 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 17:26:34,601 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:34,608 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:26:34,609 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:34,609 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:26:34,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:26:34,625 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:26:34,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:34,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:26:34,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:34,671 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:26:34,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:34,672 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 17:26:34,706 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 17:26:34,709 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 17:26:34,808 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 17:26:34,809 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:34,813 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:34,815 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 17:26:34,819 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 17:26:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:26:34,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:26:34,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:34,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:26:34,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:34,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:26:34,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:34,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:34,880 INFO L124 PetriNetUnfolderBase]: 135/207 cut-off events. [2023-10-12 17:26:34,881 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-10-12 17:26:34,882 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 17:26:34,882 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:34,888 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:34,888 INFO L430 stractBuchiCegarLoop]: Abstraction has has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:34,888 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:26:34,889 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:26:34,895 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:34,896 INFO L124 PetriNetUnfolderBase]: 25/39 cut-off events. [2023-10-12 17:26:34,896 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-10-12 17:26:34,896 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:34,896 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L60: Formula: (and (= v_i_19 v_res1_19) (= v_M_14 v_k_19) (< v_M_14 v_N_16) (= v_i_19 0) (<= 0 v_M_14) (= v_i_19 v_j_19) (= v_i_19 v_res2_29)) InVars {N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} OutVars{N=v_N_16, M=v_M_14, k=v_k_19, res1=v_res1_19, j=v_j_19, i=v_i_19, res2=v_res2_29} AuxVars[] AssignedVars[] 42#[L60]true [81] L60-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L24-1, L60-1]true [84] L60-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L61, L24-1, L35-1]true [2023-10-12 17:26:34,896 INFO L750 eck$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 17:26:34,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:26:34,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:34,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332023557] [2023-10-12 17:26:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:34,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash 4001, now seen corresponding path program 1 times [2023-10-12 17:26:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:34,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254239144] [2023-10-12 17:26:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:34,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:34,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash 125325128, now seen corresponding path program 1 times [2023-10-12 17:26:34,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:34,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809492837] [2023-10-12 17:26:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:34,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:35,078 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:35,078 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:35,078 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:35,078 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:35,078 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:35,078 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:35,079 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:35,079 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product-array.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:26:35,079 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:35,079 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:35,081 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 17:26:35,083 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 17:26:35,085 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 17:26:35,118 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 17:26:35,120 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 17:26:35,122 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 17:26:35,193 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:35,193 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:35,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,194 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 17:26:35,196 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 17:26:35,198 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 17:26:35,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:35,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:35,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:35,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:35,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:35,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:35,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:35,232 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 17:26:35,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,234 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 17:26:35,236 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 17:26:35,238 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 17:26:35,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:35,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:35,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:35,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:35,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:35,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:35,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:35,268 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 17:26:35,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,270 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 17:26:35,272 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 17:26:35,274 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 17:26:35,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:35,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:35,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:35,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:35,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:35,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:35,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:35,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:35,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:26:35,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,303 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 17:26:35,304 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 17:26:35,305 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 17:26:35,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:35,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:35,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:35,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:35,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:35,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:35,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:35,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:35,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-10-12 17:26:35,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,331 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 17:26:35,337 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 17:26:35,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:35,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:35,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:35,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:35,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:35,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:35,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:35,347 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 17:26:35,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:35,360 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 17:26:35,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,362 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 17:26:35,368 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 17:26:35,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:35,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:35,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:35,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:35,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:35,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:35,380 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 17:26:35,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:35,411 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:26:35,411 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:26:35,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:35,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:35,412 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 17:26:35,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:35,430 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 17:26:35,439 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:26:35,440 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:35,440 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 17:26:35,445 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 17:26:35,449 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-10-12 17:26:35,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:35,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:26:35,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:35,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:26:35,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:35,516 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 17:26:35,517 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 17:26:35,517 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 17:26:35,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-10-12 17:26:35,647 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 17:26:35,790 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 17:26:35,790 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:35,803 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:35,804 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 17:26:35,805 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 17:26:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 270 transitions. [2023-10-12 17:26:35,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 270 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:26:35,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:35,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 270 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:26:35,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:35,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 270 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:26:35,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:35,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:35,879 INFO L124 PetriNetUnfolderBase]: 383/568 cut-off events. [2023-10-12 17:26:35,879 INFO L125 PetriNetUnfolderBase]: For 145/145 co-relation queries the response was YES. [2023-10-12 17:26:35,880 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 17:26:35,880 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:35,918 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:35,918 INFO L430 stractBuchiCegarLoop]: Abstraction has has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:35,919 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:26:35,919 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 places, 3664 transitions, 26736 flow [2023-10-12 17:26:35,946 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:26:35,946 INFO L124 PetriNetUnfolderBase]: 137/194 cut-off events. [2023-10-12 17:26:35,946 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-10-12 17:26:35,946 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:26:35,947 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 17:26:35,947 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 17:26:35,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash 125325182, now seen corresponding path program 1 times [2023-10-12 17:26:35,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:35,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598744467] [2023-10-12 17:26:35,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:35,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:35,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:35,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:35,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:35,958 INFO L85 PathProgramCache]: Analyzing trace with hash 3905, now seen corresponding path program 1 times [2023-10-12 17:26:35,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:35,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114692395] [2023-10-12 17:26:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:35,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:35,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:35,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash 178418558, now seen corresponding path program 1 times [2023-10-12 17:26:35,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:26:35,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716926309] [2023-10-12 17:26:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:26:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:26:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:35,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:26:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:26:35,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:26:36,096 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:26:36,096 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:26:36,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:26:36,096 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:26:36,096 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:26:36,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,096 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:26:36,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:26:36,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: dot-product-array.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:26:36,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:26:36,096 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:26:36,098 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 17:26:36,100 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 17:26:36,102 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 17:26:36,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:26:36,149 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 17:26:36,151 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 17:26:36,153 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 17:26:36,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:26:36,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:26:36,249 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:26:36,249 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:26:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,250 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 17:26:36,252 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 17:26:36,254 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 17:26:36,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:36,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:36,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:36,280 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 17:26:36,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,281 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 17:26:36,283 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 17:26:36,285 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 17:26:36,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:36,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:36,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:36,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-10-12 17:26:36,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,315 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 17:26:36,339 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 17:26:36,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:36,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:36,352 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 17:26:36,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:36,373 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 17:26:36,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,374 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 17:26:36,376 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 17:26:36,378 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 17:26:36,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:36,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:36,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:36,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:36,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-10-12 17:26:36,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,403 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 17:26:36,404 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 17:26:36,406 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 17:26:36,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:36,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:36,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:36,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:36,427 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 17:26:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,429 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 17:26:36,432 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 17:26:36,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:26:36,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:26:36,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:26:36,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:26:36,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:26:36,455 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 17:26:36,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,457 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 17:26:36,457 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 17:26:36,460 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 17:26:36,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:26:36,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:26:36,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:26:36,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:26:36,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:26:36,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:26:36,479 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:26:36,493 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:26:36,493 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:26:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:26:36,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:26:36,494 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 17:26:36,496 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 17:26:36,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:26:36,504 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:26:36,504 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:26:36,504 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:26:36,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-10-12 17:26:36,510 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:26:36,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:26:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:36,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:26:36,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:26:36,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:26:36,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:26:36,551 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 17:26:36,552 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 17:26:36,552 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 17:26:36,646 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 17:26:36,646 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:26:36,713 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 17:26:36,991 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:26:36,991 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 17:26:36,992 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 17:26:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:26:36,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:26:36,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:36,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:26:36,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:36,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:26:36,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:26:36,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:39,643 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:26:39,644 INFO L125 PetriNetUnfolderBase]: For 357/357 co-relation queries the response was YES. [2023-10-12 17:26:39,645 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 17:26:39,646 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:40,156 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:40,156 INFO L430 stractBuchiCegarLoop]: Abstraction has has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:40,156 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:26:40,156 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 places, 55744 transitions, 521984 flow [2023-10-12 17:26:43,254 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:26:43,254 INFO L125 PetriNetUnfolderBase]: For 357/357 co-relation queries the response was YES. [2023-10-12 17:26:43,254 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:26:43,259 INFO L201 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:26:43 BoogieIcfgContainer [2023-10-12 17:26:43,259 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:26:43,259 INFO L158 Benchmark]: Toolchain (without parser) took 9760.93ms. Allocated memory was 206.6MB in the beginning and 747.6MB in the end (delta: 541.1MB). Free memory was 162.6MB in the beginning and 384.0MB in the end (delta: -221.4MB). Peak memory consumption was 416.0MB. Max. memory is 8.0GB. [2023-10-12 17:26:43,259 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.22ms. Allocated memory is still 206.6MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:26:43,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.39ms. Allocated memory is still 206.6MB. Free memory was 162.4MB in the beginning and 160.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:26:43,260 INFO L158 Benchmark]: Boogie Preprocessor took 17.01ms. Allocated memory is still 206.6MB. Free memory was 160.8MB in the beginning and 159.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:26:43,260 INFO L158 Benchmark]: RCFGBuilder took 183.50ms. Allocated memory is still 206.6MB. Free memory was 159.8MB in the beginning and 149.6MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:26:43,261 INFO L158 Benchmark]: BuchiAutomizer took 9535.28ms. Allocated memory was 206.6MB in the beginning and 747.6MB in the end (delta: 541.1MB). Free memory was 149.5MB in the beginning and 384.0MB in the end (delta: -234.5MB). Peak memory consumption was 403.5MB. Max. memory is 8.0GB. [2023-10-12 17:26:43,262 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 0.22ms. Allocated memory is still 206.6MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.39ms. Allocated memory is still 206.6MB. Free memory was 162.4MB in the beginning and 160.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.01ms. Allocated memory is still 206.6MB. Free memory was 160.8MB in the beginning and 159.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 183.50ms. Allocated memory is still 206.6MB. Free memory was 159.8MB in the beginning and 149.6MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 9535.28ms. Allocated memory was 206.6MB in the beginning and 747.6MB in the end (delta: 541.1MB). Free memory was 149.5MB in the beginning and 384.0MB in the end (delta: -234.5MB). Peak memory consumption was 403.5MB. 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 9.4s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.7s. 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, 0.3s 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: 30ms 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: 0.2s - 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: 0.2s, 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 17:26:43,279 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...