/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_AUTOMATON -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 17:14:11,276 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:14:11,354 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 17:14:11,384 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:14:11,385 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:14:11,385 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:14:11,386 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:14:11,386 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:14:11,387 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:14:11,390 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:14:11,390 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:14:11,390 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:14:11,391 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:14:11,392 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:14:11,392 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:14:11,392 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:14:11,392 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:14:11,393 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:14:11,393 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:14:11,393 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:14:11,393 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:14:11,394 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:14:11,395 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:14:11,395 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:14:11,395 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:14:11,395 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:14:11,395 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:14:11,396 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:14:11,396 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:14:11,396 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:14:11,397 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:14:11,397 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:14:11,397 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:14:11,399 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:14:11,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:14:11,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:14:11,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:14:11,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:14:11,625 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:14:11,626 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:14:11,626 INFO L431 ainManager$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 17:14:11,627 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 17:14:11,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:14:11,654 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:14:11,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:14:11,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:14:11,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:14:11,666 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,672 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,679 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:14:11,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:14:11,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:14:11,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:14:11,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:14:11,690 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,691 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,692 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,693 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,696 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,700 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,701 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,702 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:14:11,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:14:11,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:14:11,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:14:11,704 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 05:14:11" (1/1) ... [2023-10-12 17:14:11,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:11,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:11,742 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 17:14:11,744 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 17:14:11,772 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:14:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:14:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:14:11,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:14:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:14:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:14:11,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:14:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:14:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:14:11,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:14:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:14:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:14:11,779 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 17:14:11,826 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:14:11,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:14:11,942 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:14:11,957 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:14:11,958 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:14:11,962 INFO L201 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:14:11 BoogieIcfgContainer [2023-10-12 17:14:11,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:14:11,963 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:14:11,963 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:14:11,967 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:14:11,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:14:11,967 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 05:14:11" (1/2) ... [2023-10-12 17:14:11,968 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f3cb3f and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:14:11, skipping insertion in model container [2023-10-12 17:14:11,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:14:11,968 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 05:14:11" (2/2) ... [2023-10-12 17:14:11,969 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2023-10-12 17:14:12,033 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:14:12,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:14:12,076 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:14:12,076 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:14:12,079 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 17:14:12,080 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:14:12,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:12,085 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:14:12,097 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:12,099 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:12,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:12,106 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:14:12,106 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:14:12,107 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 17:14:12,107 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:14:12,419 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:14:12,419 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:14:12,435 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:14:12,436 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:14:12,436 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:14:12,436 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:14:12,436 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:14:12,436 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:14:12,436 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:14:12,436 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:14:12,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:14:12,462 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 15 [2023-10-12 17:14:12,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:12,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:12,467 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:14:12,467 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:12,468 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:14:12,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 24 states, but on-demand construction may add more states [2023-10-12 17:14:12,470 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 15 [2023-10-12 17:14:12,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:12,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:12,471 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:14:12,471 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:12,475 INFO L748 eck$LassoCheckResult]: Stem: 39#[$Ultimate##0]don't care [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_sum2_21) (<= 0 v_M_14) (= v_i_21 v_sum3_21) (= v_M_14 v_k_17) (= v_i_21 v_sum1_21) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 42#[L59]don't care [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]don't care [2023-10-12 17:14:12,475 INFO L750 eck$LassoCheckResult]: Loop: 44#[L23-1, L59-1]don't care [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]don't care [2023-10-12 17:14:12,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:14:12,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:12,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964968658] [2023-10-12 17:14:12,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:12,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:12,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:12,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:12,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:12,609 INFO L85 PathProgramCache]: Analyzing trace with hash 127, now seen corresponding path program 1 times [2023-10-12 17:14:12,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:12,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962926771] [2023-10-12 17:14:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:12,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:12,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:12,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:12,628 INFO L85 PathProgramCache]: Analyzing trace with hash 130420, now seen corresponding path program 1 times [2023-10-12 17:14:12,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:12,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222126999] [2023-10-12 17:14:12,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:12,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:12,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:12,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:12,767 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:12,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:12,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:12,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:12,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:12,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:12,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:12,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:12,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-array-hom.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:14:12,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:12,769 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:12,787 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 17:14:12,814 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 17:14:12,817 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 17:14:12,820 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 17:14:12,823 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 17:14:12,909 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:12,913 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:12,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:12,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:12,917 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 17:14:12,918 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 17:14:12,920 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 17:14:12,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:12,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:12,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:12,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:12,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:12,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:12,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:13,001 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:14:13,001 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:14:13,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:13,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:13,007 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 17:14:13,008 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 17:14:13,042 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:13,060 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:13,061 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:13,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:14:13,069 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 17:14:13,072 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:13,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:13,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:13,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:13,126 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:13,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:13,127 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 17:14:13,151 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 17:14:13,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 24 states, but on-demand construction may add more states Second 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 17:14:13,213 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 24 states, but on-demand construction may add more states. Second 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 65 states and 193 transitions. Complement of second has 5 states. [2023-10-12 17:14:13,215 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 17:14:13,219 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 17:14:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-10-12 17:14:13,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:14:13,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:13,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:14:13,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:13,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:14:13,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:13,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 193 transitions. [2023-10-12 17:14:13,236 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2023-10-12 17:14:13,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 39 states and 120 transitions. [2023-10-12 17:14:13,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-10-12 17:14:13,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-10-12 17:14:13,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 120 transitions. [2023-10-12 17:14:13,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:14:13,245 INFO L219 hiAutomatonCegarLoop]: Abstraction has 39 states and 120 transitions. [2023-10-12 17:14:13,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 120 transitions. [2023-10-12 17:14:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2023-10-12 17:14:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 28 states have internal predecessors, (92), 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 17:14:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 92 transitions. [2023-10-12 17:14:13,264 INFO L241 hiAutomatonCegarLoop]: Abstraction has 29 states and 92 transitions. [2023-10-12 17:14:13,264 INFO L430 stractBuchiCegarLoop]: Abstraction has 29 states and 92 transitions. [2023-10-12 17:14:13,264 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:14:13,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 92 transitions. [2023-10-12 17:14:13,265 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2023-10-12 17:14:13,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:13,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:13,266 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:14:13,266 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:13,267 INFO L748 eck$LassoCheckResult]: Stem: 235#[$Ultimate##0]don't care [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_sum2_21) (<= 0 v_M_14) (= v_i_21 v_sum3_21) (= v_M_14 v_k_17) (= v_i_21 v_sum1_21) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 199#[L59]don't care [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 201#[L23-1, L59-1]don't care [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 209#[L23-1, L34-1, L60]don't care [2023-10-12 17:14:13,267 INFO L750 eck$LassoCheckResult]: Loop: 209#[L23-1, L34-1, L60]don't care [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] 209#[L23-1, L34-1, L60]don't care [2023-10-12 17:14:13,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,267 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:14:13,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:13,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163734669] [2023-10-12 17:14:13,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:13,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:13,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,279 INFO L85 PathProgramCache]: Analyzing trace with hash 125, now seen corresponding path program 1 times [2023-10-12 17:14:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:13,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088675788] [2023-10-12 17:14:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:13,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:13,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash 4042742, now seen corresponding path program 1 times [2023-10-12 17:14:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:13,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126000279] [2023-10-12 17:14:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:13,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:13,390 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:13,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:13,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:13,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:13,391 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:13,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:13,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:13,391 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:13,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-array-hom.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:14:13,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:13,391 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:13,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:14:13,408 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 17:14:13,411 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 17:14:13,414 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 17:14:13,417 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 17:14:13,420 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 17:14:13,422 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 17:14:13,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:13,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:13,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:13,521 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 17:14:13,529 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 17:14:13,543 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 17:14:13,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:13,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:13,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:13,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:13,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:13,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:13,583 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:13,601 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-10-12 17:14:13,601 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:14:13,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:13,606 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 17:14:13,608 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 17:14:13,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:13,617 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:13,617 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:13,617 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:14:13,621 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 17:14:13,622 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:13,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:13,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:13,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:13,661 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:13,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:13,662 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 17:14:13,663 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 17:14:13,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 92 transitions. cyclomatic complexity: 81 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:13,712 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 92 transitions. cyclomatic complexity: 81. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 85 states and 277 transitions. Complement of second has 4 states. [2023-10-12 17:14:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:14:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2023-10-12 17:14:13,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:14:13,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:13,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:14:13,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:13,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:14:13,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:13,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 277 transitions. [2023-10-12 17:14:13,721 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2023-10-12 17:14:13,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 51 states and 164 transitions. [2023-10-12 17:14:13,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-10-12 17:14:13,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-10-12 17:14:13,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 164 transitions. [2023-10-12 17:14:13,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:14:13,726 INFO L219 hiAutomatonCegarLoop]: Abstraction has 51 states and 164 transitions. [2023-10-12 17:14:13,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 164 transitions. [2023-10-12 17:14:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2023-10-12 17:14:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 3.4523809523809526) internal successors, (145), 41 states have internal predecessors, (145), 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 17:14:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 145 transitions. [2023-10-12 17:14:13,737 INFO L241 hiAutomatonCegarLoop]: Abstraction has 42 states and 145 transitions. [2023-10-12 17:14:13,737 INFO L430 stractBuchiCegarLoop]: Abstraction has 42 states and 145 transitions. [2023-10-12 17:14:13,737 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:14:13,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 145 transitions. [2023-10-12 17:14:13,742 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2023-10-12 17:14:13,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:13,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:13,742 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:14:13,743 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:13,743 INFO L748 eck$LassoCheckResult]: Stem: 424#[$Ultimate##0]don't care [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_sum2_21) (<= 0 v_M_14) (= v_i_21 v_sum3_21) (= v_M_14 v_k_17) (= v_i_21 v_sum1_21) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{sum1=v_sum1_21, sum2=v_sum2_21, sum3=v_sum3_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 368#[L59]don't care [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 370#[L23-1, L59-1]don't care [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 378#[L23-1, L34-1, L60]don't care [87] L60-->L45-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 382#[L34-1, L61, L45-1, L23-1]don't care [2023-10-12 17:14:13,743 INFO L750 eck$LassoCheckResult]: Loop: 382#[L34-1, L61, L45-1, L23-1]don't care [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] 382#[L34-1, L61, L45-1, L23-1]don't care [2023-10-12 17:14:13,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 4042735, now seen corresponding path program 1 times [2023-10-12 17:14:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408127812] [2023-10-12 17:14:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:13,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2023-10-12 17:14:13,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:13,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876622836] [2023-10-12 17:14:13,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:13,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:13,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:13,783 INFO L85 PathProgramCache]: Analyzing trace with hash 125324884, now seen corresponding path program 1 times [2023-10-12 17:14:13,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:13,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509725456] [2023-10-12 17:14:13,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:13,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:13,824 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 17:14:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:13,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:13,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-10-12 17:14:13,966 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:13,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:13,966 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:13,966 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:13,966 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:13,966 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:13,966 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:13,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:13,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-array-hom.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:14:13,967 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:13,967 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:13,968 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 17:14:13,972 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 17:14:13,975 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 17:14:13,988 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 17:14:13,990 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 17:14:13,993 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 17:14:13,995 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 17:14:13,998 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 17:14:14,009 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 17:14:14,012 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 17:14:14,015 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 17:14:14,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:14,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:14,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:14,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:14,132 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 17:14:14,142 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 17:14:14,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:14,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:14,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:14,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:14,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:14,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:14,158 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 17:14:14,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:14,177 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 17:14:14,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:14,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:14,179 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 17:14:14,192 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 17:14:14,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:14,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:14,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:14,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:14,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:14,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:14,204 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 17:14:14,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:14,224 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 17:14:14,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:14,225 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 17:14:14,228 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 17:14:14,230 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 17:14:14,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:14,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:14,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:14,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:14,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:14,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:14,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:14,264 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 17:14:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:14,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:14,266 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 17:14:14,268 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 17:14:14,270 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 17:14:14,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:14,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:14,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:14,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:14,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:14,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:14,304 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:14,314 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:14:14,314 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:14:14,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:14,317 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 17:14:14,321 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 17:14:14,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:14,342 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:14,342 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:14,342 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:14:14,349 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 17:14:14,350 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:14,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:14,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:14,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:14,381 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:14,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:14,381 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 17:14:14,382 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 17:14:14,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 145 transitions. cyclomatic complexity: 122 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:14,410 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 145 transitions. cyclomatic complexity: 122. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 307 transitions. Complement of second has 4 states. [2023-10-12 17:14:14,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:14:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2023-10-12 17:14:14,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:14:14,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:14,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:14:14,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:14,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:14:14,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:14,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 307 transitions. [2023-10-12 17:14:14,422 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:14:14,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 0 states and 0 transitions. [2023-10-12 17:14:14,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:14:14,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:14:14,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:14:14,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:14:14,423 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:14:14,423 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:14:14,423 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:14:14,423 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:14:14,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:14:14,423 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:14:14,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:14:14,431 INFO L201 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:14:14 BoogieIcfgContainer [2023-10-12 17:14:14,432 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:14:14,433 INFO L158 Benchmark]: Toolchain (without parser) took 2777.72ms. Allocated memory was 179.3MB in the beginning and 262.1MB in the end (delta: 82.8MB). Free memory was 134.1MB in the beginning and 195.6MB in the end (delta: -61.5MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2023-10-12 17:14:14,433 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 179.3MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:14:14,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.82ms. Allocated memory is still 179.3MB. Free memory was 134.0MB in the beginning and 132.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:14:14,438 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 179.3MB. Free memory was 132.4MB in the beginning and 131.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:14:14,438 INFO L158 Benchmark]: RCFGBuilder took 258.77ms. Allocated memory is still 179.3MB. Free memory was 131.4MB in the beginning and 121.2MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:14:14,440 INFO L158 Benchmark]: BuchiAutomizer took 2468.94ms. Allocated memory was 179.3MB in the beginning and 262.1MB in the end (delta: 82.8MB). Free memory was 121.2MB in the beginning and 195.6MB in the end (delta: -74.5MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2023-10-12 17:14:14,447 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 0.25ms. Allocated memory is still 179.3MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.82ms. Allocated memory is still 179.3MB. Free memory was 134.0MB in the beginning and 132.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 179.3MB. Free memory was 132.4MB in the beginning and 131.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.77ms. Allocated memory is still 179.3MB. Free memory was 131.4MB in the beginning and 121.2MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2468.94ms. Allocated memory was 179.3MB in the beginning and 262.1MB in the end (delta: 82.8MB). Free memory was 121.2MB in the beginning and 195.6MB in the end (delta: -74.5MB). Peak memory consumption was 8.2MB. 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 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf100 lsp61 ukn93 mio100 lsp72 div100 bol100 ite100 ukn100 eq159 hnf92 smp100 dnf100 smp100 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 146ms VariablesStem: 4 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 17:14:14,467 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 17:14:14,663 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...