/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/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:30:13,391 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:30:13,458 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 17:30:13,496 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:30:13,497 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:30:13,497 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:30:13,499 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:30:13,499 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:30:13,500 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:30:13,503 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:30:13,503 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:30:13,504 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:30:13,504 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:30:13,505 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:30:13,506 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:30:13,506 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:30:13,506 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:30:13,506 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:30:13,506 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:30:13,507 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:30:13,507 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:30:13,507 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:30:13,509 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:30:13,509 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:30:13,509 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:30:13,509 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:30:13,509 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:30:13,510 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:30:13,510 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:30:13,510 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:30:13,511 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:30:13,511 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:30:13,511 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:30:13,513 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:30:13,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:30:13,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:30:13,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:30:13,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:30:13,759 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:30:13,760 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:30:13,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2023-10-12 17:30:13,761 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2023-10-12 17:30:13,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:30:13,787 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:30:13,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:30:13,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:30:13,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:30:13,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,815 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:30:13,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:30:13,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:30:13,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:30:13,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:30:13,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:30:13,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:30:13,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:30:13,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:30:13,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/1) ... [2023-10-12 17:30:13,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:13,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:13,876 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 17:30:13,901 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 17:30:13,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:30:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:30:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:30:13,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:30:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:30:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:30:13,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:30:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:30:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:30:13,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:30:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:30:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:30:13,919 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 17:30:13,970 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:30:13,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:30:14,101 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:30:14,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:30:14,117 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:30:14,119 INFO L201 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:30:14 BoogieIcfgContainer [2023-10-12 17:30:14,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:30:14,120 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:30:14,120 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:30:14,123 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:30:14,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:30:14,124 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:30:13" (1/2) ... [2023-10-12 17:30:14,125 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3f1b2b and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:30:14, skipping insertion in model container [2023-10-12 17:30:14,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:30:14,126 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:30:14" (2/2) ... [2023-10-12 17:30:14,127 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2023-10-12 17:30:14,177 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:30:14,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:30:14,234 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:30:14,234 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:30:14,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:30:14,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:30:14,246 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:30:14,249 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:30:14,263 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:30:14,265 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:30:14,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:30:14,271 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:30:14,272 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:30:14,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:30:14,274 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:30:14,557 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:30:14,558 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:30:14,570 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:30:14,570 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:30:14,570 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:30:14,570 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:30:14,570 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:30:14,570 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:30:14,570 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:30:14,571 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:30:14,571 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:30:14,575 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:14,575 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:30:14,575 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:30:14,575 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:14,577 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:30:14,578 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:30:14,579 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:14,579 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:30:14,579 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:30:14,579 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:14,583 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_sum2_21) (<= 0 v_M_14) (= v_i_21 v_sum3_21) (= v_M_14 v_k_17) (= v_i_21 v_sum1_21) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [2023-10-12 17:30:14,583 INFO L750 eck$LassoCheckResult]: Loop: 44#[L23-1, L59-1]true [96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= (+ (select v_A_12 v_i_16) v_sum1_12) v_sum1_11) (< v_i_16 v_N_10)) InVars {sum1=v_sum1_12, A=v_A_12, N=v_N_10, i=v_i_16} OutVars{sum1=v_sum1_11, A=v_A_12, N=v_N_10, i=v_i_15} AuxVars[] AssignedVars[sum1, i] 44#[L23-1, L59-1]true [2023-10-12 17:30:14,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:14,588 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:30:14,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:14,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630641872] [2023-10-12 17:30:14,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:14,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:14,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:14,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:14,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:14,730 INFO L85 PathProgramCache]: Analyzing trace with hash 127, now seen corresponding path program 1 times [2023-10-12 17:30:14,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:14,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022149554] [2023-10-12 17:30:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:14,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:14,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:14,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:14,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:14,744 INFO L85 PathProgramCache]: Analyzing trace with hash 130420, now seen corresponding path program 1 times [2023-10-12 17:30:14,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:14,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531351822] [2023-10-12 17:30:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:14,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:14,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:14,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:14,861 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:30:14,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:30:14,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:30:14,862 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:30:14,862 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:30:14,862 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:14,862 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:30:14,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:30:14,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-array-hom.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:30:14,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:30:14,863 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:30:14,876 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 17:30:14,901 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 17:30:14,904 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 17:30:14,907 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 17:30:14,909 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 17:30:14,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:30:14,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:30:14,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:14,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:14,993 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 17:30:15,000 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 17:30:15,002 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 17:30:15,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:15,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:15,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:15,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:15,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:15,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:15,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:15,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:15,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:15,046 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 17:30:15,048 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 17:30:15,050 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 17:30:15,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:15,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:15,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:15,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:15,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:15,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:15,090 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:30:15,120 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:30:15,121 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:30:15,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:15,124 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 17:30:15,126 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 17:30:15,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:30:15,175 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:30:15,175 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:30:15,175 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:30:15,182 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 17:30:15,185 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:30:15,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:15,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:30:15,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:15,236 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:30:15,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:15,237 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 17:30:15,282 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 17:30:15,283 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 17:30:15,396 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 17:30:15,397 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:30:15,399 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:30:15,401 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 17:30:15,405 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 17:30:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:30:15,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:30:15,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:15,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:30:15,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:15,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:30:15,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:15,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:30:15,456 INFO L124 PetriNetUnfolderBase]: 135/207 cut-off events. [2023-10-12 17:30:15,456 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-10-12 17:30:15,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 207 events. 135/207 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 557 event pairs, 17 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 344. Up to 71 conditions per place. [2023-10-12 17:30:15,457 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:30:15,461 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 32 places, 172 transitions, 904 flow [2023-10-12 17:30:15,461 INFO L430 stractBuchiCegarLoop]: Abstraction has has 32 places, 172 transitions, 904 flow [2023-10-12 17:30:15,461 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:30:15,461 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 places, 172 transitions, 904 flow [2023-10-12 17:30:15,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:15,478 INFO L124 PetriNetUnfolderBase]: 27/42 cut-off events. [2023-10-12 17:30:15,478 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-10-12 17:30:15,482 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:15,483 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_sum2_21) (<= 0 v_M_14) (= v_i_21 v_sum3_21) (= v_M_14 v_k_17) (= v_i_21 v_sum1_21) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L23-1, L60, L34-1]true [2023-10-12 17:30:15,483 INFO L750 eck$LassoCheckResult]: Loop: 89#[L23-1, L60, L34-1]true [94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (+ (select v_A_10 v_j_16) v_sum2_12) v_sum2_11) (< v_j_16 v_M_10)) InVars {A=v_A_10, sum2=v_sum2_12, M=v_M_10, j=v_j_16} OutVars{A=v_A_10, sum2=v_sum2_11, M=v_M_10, j=v_j_15} AuxVars[] AssignedVars[sum2, j] 89#[L23-1, L60, L34-1]true [94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (+ (select v_A_10 v_j_16) v_sum2_12) v_sum2_11) (< v_j_16 v_M_10)) InVars {A=v_A_10, sum2=v_sum2_12, M=v_M_10, j=v_j_16} OutVars{A=v_A_10, sum2=v_sum2_11, M=v_M_10, j=v_j_15} AuxVars[] AssignedVars[sum2, j] 89#[L23-1, L60, L34-1]true [2023-10-12 17:30:15,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:15,486 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:30:15,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:15,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396222849] [2023-10-12 17:30:15,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:15,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:15,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:15,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:15,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash 3969, now seen corresponding path program 1 times [2023-10-12 17:30:15,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:15,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660089610] [2023-10-12 17:30:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:15,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:15,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:15,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:15,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:15,538 INFO L85 PathProgramCache]: Analyzing trace with hash 125325096, now seen corresponding path program 1 times [2023-10-12 17:30:15,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:15,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260593851] [2023-10-12 17:30:15,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:15,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:15,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:15,683 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:30:15,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:30:15,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:30:15,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:30:15,684 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:30:15,684 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:30:15,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:30:15,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-array-hom.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:30:15,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:30:15,684 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:30:15,686 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 17:30:15,688 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 17:30:15,691 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 17:30:15,721 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 17:30:15,724 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 17:30:15,727 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 17:30:15,729 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 17:30:15,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:30:15,824 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:30:15,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:15,829 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 17:30:15,834 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 17:30:15,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:15,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:15,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:15,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:15,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:15,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:15,853 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 17:30:15,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:15,867 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 17:30:15,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:15,870 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 17:30:15,872 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 17:30:15,874 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 17:30:15,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:15,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:15,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:15,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:15,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:15,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:15,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:15,909 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 17:30:15,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:15,911 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 17:30:15,915 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 17:30:15,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:30:15,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:15,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:15,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:15,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:15,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:15,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:15,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:30:15,963 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:30:15,964 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:30:15,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:15,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:15,967 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 17:30:15,970 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:30:15,983 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 17:30:15,991 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:30:15,991 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:30:15,991 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:30:15,995 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 17:30:15,998 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:30:16,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:16,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:30:16,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:16,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:30:16,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:16,063 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 17:30:16,064 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 17:30:16,064 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:30:16,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:16,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:16,256 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 337 transitions. [2023-10-12 17:30:16,256 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:30:16,275 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:30:16,276 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 17:30:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:30:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:30:16,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:30:16,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:16,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:30:16,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:16,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:30:16,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:16,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:30:16,376 INFO L124 PetriNetUnfolderBase]: 383/568 cut-off events. [2023-10-12 17:30:16,376 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2023-10-12 17:30:16,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1875 conditions, 568 events. 383/568 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2045 event pairs, 12 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 1278. Up to 202 conditions per place. [2023-10-12 17:30:16,378 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:30:16,420 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:30:16,420 INFO L430 stractBuchiCegarLoop]: Abstraction has has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:30:16,421 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:30:16,421 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 places, 2608 transitions, 19104 flow [2023-10-12 17:30:16,461 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:30:16,461 INFO L124 PetriNetUnfolderBase]: 155/220 cut-off events. [2023-10-12 17:30:16,462 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-10-12 17:30:16,462 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:30:16,462 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_sum2_21) (<= 0 v_M_14) (= v_i_21 v_sum3_21) (= v_M_14 v_k_17) (= v_i_21 v_sum1_21) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 89#[L23-1, L60, L34-1]true [96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (= (+ (select v_A_12 v_i_16) v_sum1_12) v_sum1_11) (< v_i_16 v_N_10)) InVars {sum1=v_sum1_12, A=v_A_12, N=v_N_10, i=v_i_16} OutVars{sum1=v_sum1_11, A=v_A_12, N=v_N_10, i=v_i_15} AuxVars[] AssignedVars[sum1, i] 89#[L23-1, L60, L34-1]true [87] L60-->L45-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 148#[L23-1, L61, L34-1, L45-1]true [2023-10-12 17:30:16,462 INFO L750 eck$LassoCheckResult]: Loop: 148#[L23-1, L61, L34-1, L45-1]true [99] L45-1-->L45-1: Formula: (and (= v_k_13 (+ v_k_14 1)) (= (+ (select v_A_14 v_k_14) v_sum3_14) v_sum3_13) (< v_k_14 v_N_14)) InVars {A=v_A_14, sum3=v_sum3_14, N=v_N_14, k=v_k_14} OutVars{A=v_A_14, sum3=v_sum3_13, N=v_N_14, k=v_k_13} AuxVars[] AssignedVars[sum3, k] 148#[L23-1, L61, L34-1, L45-1]true [99] L45-1-->L45-1: Formula: (and (= v_k_13 (+ v_k_14 1)) (= (+ (select v_A_14 v_k_14) v_sum3_14) v_sum3_13) (< v_k_14 v_N_14)) InVars {A=v_A_14, sum3=v_sum3_14, N=v_N_14, k=v_k_14} OutVars{A=v_A_14, sum3=v_sum3_13, N=v_N_14, k=v_k_13} AuxVars[] AssignedVars[sum3, k] 148#[L23-1, L61, L34-1, L45-1]true [2023-10-12 17:30:16,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:16,463 INFO L85 PathProgramCache]: Analyzing trace with hash 125325151, now seen corresponding path program 1 times [2023-10-12 17:30:16,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:16,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275214455] [2023-10-12 17:30:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:16,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:16,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:16,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:16,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash 4129, now seen corresponding path program 1 times [2023-10-12 17:30:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672641127] [2023-10-12 17:30:16,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:16,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:16,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:16,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:16,486 INFO L85 PathProgramCache]: Analyzing trace with hash 178388991, now seen corresponding path program 1 times [2023-10-12 17:30:16,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:30:16,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633334315] [2023-10-12 17:30:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:30:16,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:30:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:16,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:30:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:30:16,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:30:16,695 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:30:16,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:30:16,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:30:16,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:30:16,696 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:30:16,696 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:16,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:30:16,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:30:16,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-array-hom.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:30:16,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:30:16,696 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:30:16,704 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 17:30:16,707 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 17:30:16,716 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 17:30:16,719 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 17:30:16,721 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 17:30:16,723 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 17:30:16,725 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 17:30:16,728 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 17:30:16,734 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 17:30:16,737 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 17:30:16,886 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:30:16,886 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:30:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:16,889 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 17:30:16,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:30:16,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:16,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:16,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:16,914 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 17:30:16,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:16,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:16,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:16,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:16,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:16,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:16,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:16,940 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 17:30:16,942 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 17:30:16,944 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 17:30:16,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:16,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:16,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:16,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:16,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:16,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:16,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:16,980 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 17:30:16,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:16,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:16,982 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 17:30:16,994 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 17:30:17,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,010 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 17:30:17,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,025 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 17:30:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,027 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 17:30:17,033 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 17:30:17,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,049 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 17:30:17,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:17,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,072 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 17:30:17,074 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 17:30:17,076 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 17:30:17,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,108 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 17:30:17,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,109 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 17:30:17,120 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 17:30:17,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,129 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 17:30:17,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:17,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,154 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 17:30:17,156 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 17:30:17,158 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 17:30:17,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,194 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 17:30:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,195 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 17:30:17,204 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 17:30:17,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,221 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 17:30:17,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:17,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,244 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 17:30:17,251 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 17:30:17,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,264 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 17:30:17,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,283 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 17:30:17,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,285 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 17:30:17,289 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 17:30:17,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,304 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 17:30:17,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,322 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 17:30:17,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,323 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 17:30:17,329 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 17:30:17,368 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 17:30:17,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:30:17,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:17,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,395 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 17:30:17,400 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 17:30:17,401 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 17:30:17,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:30:17,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:30:17,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:30:17,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:30:17,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:30:17,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:30:17,426 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:30:17,436 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-10-12 17:30:17,436 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:30:17,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:30:17,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:30:17,441 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:30:17,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:30:17,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:30:17,470 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:30:17,470 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:30:17,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:30:17,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:17,479 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:30:17,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:30:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:17,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:30:17,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:30:17,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:30:17,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:30:17,518 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 17:30:17,519 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 17:30:17,519 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 17:30:17,625 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 17:30:17,625 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:30:18,105 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:30:18,113 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 17:30:18,115 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 17:30:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 220 transitions. [2023-10-12 17:30:18,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:30:18,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:18,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:30:18,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:18,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 220 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:30:18,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:30:18,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:30:18,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:30:20,265 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:30:20,265 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-10-12 17:30:20,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5326 conditions, 1254 events. 848/1254 cut-off events. For 325/325 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 5445 event pairs, 4 based on Foata normal form. 0/695 useless extension candidates. Maximal degree in co-relation 3144. Up to 458 conditions per place. [2023-10-12 17:30:20,267 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:30:20,694 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:30:20,694 INFO L430 stractBuchiCegarLoop]: Abstraction has has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:30:20,694 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:30:20,695 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 places, 39760 transitions, 373376 flow [2023-10-12 17:30:22,780 INFO L124 PetriNetUnfolderBase]: 848/1254 cut-off events. [2023-10-12 17:30:22,780 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-10-12 17:30:22,780 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:30:22,785 INFO L201 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:30:22 BoogieIcfgContainer [2023-10-12 17:30:22,785 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:30:22,786 INFO L158 Benchmark]: Toolchain (without parser) took 8998.99ms. Allocated memory was 187.7MB in the beginning and 684.7MB in the end (delta: 497.0MB). Free memory was 145.3MB in the beginning and 526.2MB in the end (delta: -380.9MB). Peak memory consumption was 263.7MB. Max. memory is 8.0GB. [2023-10-12 17:30:22,786 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 187.7MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:30:22,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.05ms. Allocated memory is still 187.7MB. Free memory was 145.3MB in the beginning and 143.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:30:22,787 INFO L158 Benchmark]: Boogie Preprocessor took 21.82ms. Allocated memory is still 187.7MB. Free memory was 143.7MB in the beginning and 142.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:30:22,787 INFO L158 Benchmark]: RCFGBuilder took 277.17ms. Allocated memory is still 187.7MB. Free memory was 142.7MB in the beginning and 132.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:30:22,788 INFO L158 Benchmark]: BuchiAutomizer took 8665.47ms. Allocated memory was 187.7MB in the beginning and 684.7MB in the end (delta: 497.0MB). Free memory was 132.2MB in the beginning and 526.2MB in the end (delta: -394.0MB). Peak memory consumption was 251.1MB. Max. memory is 8.0GB. [2023-10-12 17:30:22,790 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 0.28ms. Allocated memory is still 187.7MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.05ms. Allocated memory is still 187.7MB. Free memory was 145.3MB in the beginning and 143.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.82ms. Allocated memory is still 187.7MB. Free memory was 143.7MB in the beginning and 142.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 277.17ms. Allocated memory is still 187.7MB. Free memory was 142.7MB in the beginning and 132.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 8665.47ms. Allocated memory was 187.7MB in the beginning and 684.7MB in the end (delta: 497.0MB). Free memory was 132.2MB in the beginning and 526.2MB in the end (delta: -394.0MB). Peak memory consumption was 251.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function M + -1 * j and consists of 5 locations. One deterministic module has affine ranking function -1 * k + N and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 310 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 146 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp66 ukn86 mio100 lsp68 div100 bol100 ite100 ukn100 eq156 hnf92 smp100 dnf100 smp100 tf100 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 33 PlacesBefore, 22 PlacesAfterwards, 26 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:30:22,809 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...