/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/POPL2023/map-aggr-update1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:12:22,682 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:12:22,750 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 17:12:22,774 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:12:22,774 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:12:22,775 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:12:22,775 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:12:22,776 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:12:22,776 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:12:22,776 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:12:22,776 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:12:22,777 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:12:22,777 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:12:22,777 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:12:22,777 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:12:22,778 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:12:22,778 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:12:22,778 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:12:22,778 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:12:22,779 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:12:22,779 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:12:22,790 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:12:22,790 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:12:22,790 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:12:22,790 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:12:22,790 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:12:22,791 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:12:22,791 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:12:22,791 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:12:22,791 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:12:22,792 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:12:22,792 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:12:22,792 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:12:22,793 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:12:22,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:12:22,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:12:22,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:12:22,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:12:22,990 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:12:22,991 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:12:22,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl [2023-10-12 17:12:22,992 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2023-10-12 17:12:23,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:12:23,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:12:23,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:23,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:12:23,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:12:23,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,026 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:12:23,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:23,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:12:23,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:12:23,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:12:23,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:12:23,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:12:23,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:12:23,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:12:23,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/1) ... [2023-10-12 17:12:23,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:23,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:23,097 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 17:12:23,112 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 17:12:23,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:12:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:12:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:12:23,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:12:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:12:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:12:23,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:12:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:12:23,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:12:23,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:12:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:12:23,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:12:23,127 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 17:12:23,164 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:12:23,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:12:23,303 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:12:23,307 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:12:23,308 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:12:23,309 INFO L201 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:23 BoogieIcfgContainer [2023-10-12 17:12:23,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:12:23,310 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:12:23,310 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:12:23,312 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:12:23,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:23,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:23" (1/2) ... [2023-10-12 17:12:23,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d88f957 and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:12:23, skipping insertion in model container [2023-10-12 17:12:23,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:23,314 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:23" (2/2) ... [2023-10-12 17:12:23,315 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1.bpl [2023-10-12 17:12:23,361 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:12:23,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 104 flow [2023-10-12 17:12:23,398 INFO L124 PetriNetUnfolderBase]: 5/34 cut-off events. [2023-10-12 17:12:23,398 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:12:23,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-10-12 17:12:23,402 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 104 flow [2023-10-12 17:12:23,405 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 86 flow [2023-10-12 17:12:23,407 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:12:23,417 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 34 transitions, 86 flow [2023-10-12 17:12:23,419 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 34 transitions, 86 flow [2023-10-12 17:12:23,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 86 flow [2023-10-12 17:12:23,426 INFO L124 PetriNetUnfolderBase]: 5/34 cut-off events. [2023-10-12 17:12:23,426 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:12:23,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-10-12 17:12:23,427 INFO L119 LiptonReduction]: Number of co-enabled transitions 456 [2023-10-12 17:12:23,863 INFO L134 LiptonReduction]: Checked pairs total: 360 [2023-10-12 17:12:23,864 INFO L136 LiptonReduction]: Total number of compositions: 18 [2023-10-12 17:12:23,882 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:12:23,883 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:12:23,883 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:12:23,883 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:12:23,883 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:12:23,883 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:12:23,883 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:12:23,883 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:12:23,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:12:23,933 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2023-10-12 17:12:23,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:23,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:23,940 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:12:23,940 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:23,941 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:12:23,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 55 states, but on-demand construction may add more states [2023-10-12 17:12:23,950 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2023-10-12 17:12:23,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:23,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:23,950 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:12:23,950 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:23,956 INFO L748 eck$LassoCheckResult]: Stem: 45#[$Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]don't care [114] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 50#[L34-1, $Ultimate##0]don't care [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 54#[L51-1, L34-1]don't care [2023-10-12 17:12:23,956 INFO L750 eck$LassoCheckResult]: Loop: 54#[L51-1, L34-1]don't care [137] L51-1-->L51-1: Formula: (and (= v_A_31 (store v_A_32 v_thread1Thread1of1ForFork0_i_26 (let ((.cse0 (select v_A_32 v_thread1Thread1of1ForFork0_i_26))) (ite (< .cse0 0) 0 .cse0)))) (= v_thread1Thread1of1ForFork0_i_25 (+ v_thread1Thread1of1ForFork0_i_26 1)) (< v_thread1Thread1of1ForFork0_i_26 v_N_28)) InVars {A=v_A_32, N=v_N_28, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_26} OutVars{A=v_A_31, N=v_N_28, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_25} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 54#[L51-1, L34-1]don't care [2023-10-12 17:12:23,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:23,964 INFO L85 PathProgramCache]: Analyzing trace with hash 113176, now seen corresponding path program 1 times [2023-10-12 17:12:23,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:23,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265106090] [2023-10-12 17:12:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:23,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:24,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:24,046 INFO L85 PathProgramCache]: Analyzing trace with hash 168, now seen corresponding path program 1 times [2023-10-12 17:12:24,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:24,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46914976] [2023-10-12 17:12:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:24,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:24,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:24,072 INFO L85 PathProgramCache]: Analyzing trace with hash 3508593, now seen corresponding path program 1 times [2023-10-12 17:12:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:24,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256757246] [2023-10-12 17:12:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:24,183 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:24,183 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:24,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:24,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:24,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:24,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:24,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:24,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:24,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:12:24,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:24,184 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:24,195 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 17:12:24,202 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 17:12:24,272 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:24,274 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:24,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:24,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:24,298 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 17:12:24,299 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 17:12:24,301 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 17:12:24,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:24,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:24,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:24,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:24,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:24,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:24,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:24,333 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 17:12:24,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:24,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:24,335 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 17:12:24,337 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 17:12:24,338 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 17:12:24,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:24,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:24,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:24,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:24,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:24,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:24,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:24,373 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:12:24,373 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:12:24,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:24,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:24,377 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 17:12:24,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:24,398 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 17:12:24,409 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:24,410 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:24,410 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2023-10-12 17:12:24,415 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 17:12:24,419 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:24,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:24,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:24,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:24,459 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:24,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:24,460 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 17:12:24,485 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 17:12:24,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states 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 17:12:24,563 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states. 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 144 states and 490 transitions. Complement of second has 4 states. [2023-10-12 17:12:24,565 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 17:12:24,570 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 17:12:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2023-10-12 17:12:24,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:12:24,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:12:24,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:24,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:12:24,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:24,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:12:24,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:24,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 490 transitions. [2023-10-12 17:12:24,612 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2023-10-12 17:12:24,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 103 states and 354 transitions. [2023-10-12 17:12:24,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-10-12 17:12:24,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2023-10-12 17:12:24,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 354 transitions. [2023-10-12 17:12:24,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:24,621 INFO L219 hiAutomatonCegarLoop]: Abstraction has 103 states and 354 transitions. [2023-10-12 17:12:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 354 transitions. [2023-10-12 17:12:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2023-10-12 17:12:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 3.5853658536585367) internal successors, (294), 81 states have internal predecessors, (294), 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 17:12:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 294 transitions. [2023-10-12 17:12:24,652 INFO L241 hiAutomatonCegarLoop]: Abstraction has 82 states and 294 transitions. [2023-10-12 17:12:24,652 INFO L430 stractBuchiCegarLoop]: Abstraction has 82 states and 294 transitions. [2023-10-12 17:12:24,656 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:12:24,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 294 transitions. [2023-10-12 17:12:24,658 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2023-10-12 17:12:24,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:24,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:24,658 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:12:24,658 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:24,659 INFO L748 eck$LassoCheckResult]: Stem: 480#[$Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 476#[L34]don't care [114] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 394#[L34-1, $Ultimate##0]don't care [117] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 386#[L35, $Ultimate##0, $Ultimate##0]don't care [134] $Ultimate##0-->L65-1: Formula: (and (= v_thread2Thread1of1ForFork1_cnt_23 0) (= v_thread2Thread1of1ForFork1_j_39 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_39, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_23} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 332#[L65-1, L35, $Ultimate##0]don't care [2023-10-12 17:12:24,659 INFO L750 eck$LassoCheckResult]: Loop: 332#[L65-1, L35, $Ultimate##0]don't care [141] L65-1-->L65-1: Formula: (and (let ((.cse0 (= v_thread2Thread1of1ForFork1_j_59 (+ v_thread2Thread1of1ForFork1_j_60 1))) (.cse1 (select v_B_29 v_thread2Thread1of1ForFork1_j_60))) (or (and .cse0 (= v_thread2Thread1of1ForFork1_cnt_42 v_thread2Thread1of1ForFork1_cnt_41) (<= .cse1 0)) (and .cse0 (< 0 .cse1) (= v_thread2Thread1of1ForFork1_cnt_41 (+ v_thread2Thread1of1ForFork1_cnt_42 1))))) (let ((.cse3 (select v_A_39 v_thread2Thread1of1ForFork1_j_60)) (.cse2 (< v_thread2Thread1of1ForFork1_j_60 v_N_36))) (or (and (= v_thread2Thread1of1ForFork1_cnt_42 (+ v_thread2Thread1of1ForFork1_cnt_43 1)) .cse2 (< 0 .cse3)) (and (= v_thread2Thread1of1ForFork1_cnt_43 v_thread2Thread1of1ForFork1_cnt_42) (<= .cse3 0) .cse2)))) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_60, A=v_A_39, N=v_N_36, B=v_B_29, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_43} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_59, A=v_A_39, N=v_N_36, B=v_B_29, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_41} AuxVars[v_thread2Thread1of1ForFork1_cnt_42] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 332#[L65-1, L35, $Ultimate##0]don't care [2023-10-12 17:12:24,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:24,660 INFO L85 PathProgramCache]: Analyzing trace with hash 3509489, now seen corresponding path program 1 times [2023-10-12 17:12:24,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:24,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681651157] [2023-10-12 17:12:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:24,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:24,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 172, now seen corresponding path program 1 times [2023-10-12 17:12:24,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:24,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915666572] [2023-10-12 17:12:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:24,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash 108794300, now seen corresponding path program 1 times [2023-10-12 17:12:24,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:24,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64551759] [2023-10-12 17:12:24,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:24,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:24,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:24,884 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:24,884 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:24,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:24,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:24,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:24,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:24,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:24,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:24,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:12:24,885 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:24,885 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:24,891 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 17:12:24,966 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 17:12:24,968 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 17:12:24,970 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 17:12:24,972 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 17:12:25,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:25,124 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:25,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,126 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 17:12:25,177 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 17:12:25,178 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 17:12:25,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:25,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:25,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:25,223 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:12:25,223 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:12:25,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,225 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 17:12:25,269 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 17:12:25,269 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:25,278 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:25,278 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:25,278 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2023-10-12 17:12:25,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-10-12 17:12:25,283 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:25,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:25,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:25,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:25,317 WARN L260 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:25,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:25,318 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 17:12:25,319 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 17:12:25,319 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248 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 17:12:25,363 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248. 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 224 states and 842 transitions. Complement of second has 4 states. [2023-10-12 17:12:25,364 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 17:12:25,364 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 17:12:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2023-10-12 17:12:25,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:12:25,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:25,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:12:25,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:25,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:12:25,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:25,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 842 transitions. [2023-10-12 17:12:25,375 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2023-10-12 17:12:25,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 148 states and 549 transitions. [2023-10-12 17:12:25,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2023-10-12 17:12:25,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2023-10-12 17:12:25,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 549 transitions. [2023-10-12 17:12:25,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:25,380 INFO L219 hiAutomatonCegarLoop]: Abstraction has 148 states and 549 transitions. [2023-10-12 17:12:25,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 549 transitions. [2023-10-12 17:12:25,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2023-10-12 17:12:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 3.8189655172413794) internal successors, (443), 115 states have internal predecessors, (443), 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 17:12:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 443 transitions. [2023-10-12 17:12:25,410 INFO L241 hiAutomatonCegarLoop]: Abstraction has 116 states and 443 transitions. [2023-10-12 17:12:25,410 INFO L430 stractBuchiCegarLoop]: Abstraction has 116 states and 443 transitions. [2023-10-12 17:12:25,410 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:12:25,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 443 transitions. [2023-10-12 17:12:25,411 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2023-10-12 17:12:25,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:25,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:25,412 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:12:25,412 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:25,413 INFO L748 eck$LassoCheckResult]: Stem: 935#[$Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 927#[L34]don't care [114] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 827#[L34-1, $Ultimate##0]don't care [117] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 819#[L35, $Ultimate##0, $Ultimate##0]don't care [120] L35-->$Ultimate##0: 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, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 821#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L36]don't care [106] $Ultimate##0-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 899#[$Ultimate##0, $Ultimate##0, L83-1, L36]don't care [2023-10-12 17:12:25,413 INFO L750 eck$LassoCheckResult]: Loop: 899#[$Ultimate##0, $Ultimate##0, L83-1, L36]don't care [138] L83-1-->L83-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_25 (+ v_thread3Thread1of1ForFork2_k_26 1)) (< v_thread3Thread1of1ForFork2_k_26 v_N_32) (= v_B_25 (store v_B_26 v_thread3Thread1of1ForFork2_k_26 v_thread3Thread1of1ForFork2_k_26))) InVars {N=v_N_32, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_26, B=v_B_26} OutVars{N=v_N_32, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_25, B=v_B_25} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 899#[$Ultimate##0, $Ultimate##0, L83-1, L36]don't care [2023-10-12 17:12:25,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,416 INFO L85 PathProgramCache]: Analyzing trace with hash 108793831, now seen corresponding path program 1 times [2023-10-12 17:12:25,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:25,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781155868] [2023-10-12 17:12:25,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:25,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash 169, now seen corresponding path program 1 times [2023-10-12 17:12:25,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:25,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682041488] [2023-10-12 17:12:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:25,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,451 INFO L85 PathProgramCache]: Analyzing trace with hash -922358397, now seen corresponding path program 1 times [2023-10-12 17:12:25,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:25,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839869438] [2023-10-12 17:12:25,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:25,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:25,526 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:25,527 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:25,527 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:25,527 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:25,527 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:25,527 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,527 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:25,527 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:25,527 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:12:25,527 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:25,527 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:25,529 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 17:12:25,530 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 17:12:25,532 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 17:12:25,533 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 17:12:25,536 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 17:12:25,543 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 17:12:25,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:25,546 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 17:12:25,561 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 17:12:25,563 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 17:12:25,610 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:25,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:25,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,619 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 17:12:25,621 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 17:12:25,671 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 17:12:25,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:25,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:25,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:25,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:25,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:12:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,710 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 17:12:25,737 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 17:12:25,738 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 17:12:25,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:25,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:25,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:25,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:25,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:12:25,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,787 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 17:12:25,789 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 17:12:25,790 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 17:12:25,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:25,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:25,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:25,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:25,827 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 17:12:25,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,835 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 17:12:25,836 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 17:12:25,837 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 17:12:25,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:25,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:25,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:25,850 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 17:12:25,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,852 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 17:12:25,854 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 17:12:25,856 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 17:12:25,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:25,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:25,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:25,896 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:12:25,896 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:12:25,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,897 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 17:12:25,899 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 17:12:25,900 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:25,921 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:25,922 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:25,922 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2023-10-12 17:12:25,928 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 17:12:25,929 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:25,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:25,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:25,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:25,957 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:25,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:25,957 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 17:12:25,958 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 17:12:25,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:12:25,987 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 232 states and 840 transitions. Complement of second has 4 states. [2023-10-12 17:12:25,987 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 17:12:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:12:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2023-10-12 17:12:25,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:12:25,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:25,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 6 letters. Loop has 1 letters. [2023-10-12 17:12:25,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:25,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:12:25,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:25,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 840 transitions. [2023-10-12 17:12:25,991 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:25,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 0 states and 0 transitions. [2023-10-12 17:12:25,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:12:25,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:12:25,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:12:25,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:12:25,991 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:25,991 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:25,991 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:25,991 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:12:25,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:12:25,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:25,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:12:25,996 INFO L201 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:12:25 BoogieIcfgContainer [2023-10-12 17:12:25,997 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:12:25,997 INFO L158 Benchmark]: Toolchain (without parser) took 2988.71ms. Allocated memory was 234.9MB in the beginning and 416.3MB in the end (delta: 181.4MB). Free memory was 182.1MB in the beginning and 284.0MB in the end (delta: -101.9MB). Peak memory consumption was 80.5MB. Max. memory is 8.0GB. [2023-10-12 17:12:25,997 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 183.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:12:25,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.07ms. Allocated memory is still 234.9MB. Free memory was 182.1MB in the beginning and 180.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:25,998 INFO L158 Benchmark]: Boogie Preprocessor took 12.30ms. Allocated memory is still 234.9MB. Free memory was 180.5MB in the beginning and 179.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:25,998 INFO L158 Benchmark]: RCFGBuilder took 268.31ms. Allocated memory is still 234.9MB. Free memory was 179.4MB in the beginning and 198.6MB in the end (delta: -19.3MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:25,999 INFO L158 Benchmark]: BuchiAutomizer took 2686.95ms. Allocated memory was 234.9MB in the beginning and 416.3MB in the end (delta: 181.4MB). Free memory was 198.6MB in the beginning and 284.0MB in the end (delta: -85.3MB). Peak memory consumption was 96.9MB. Max. memory is 8.0GB. [2023-10-12 17:12:26,000 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 234.9MB. Free memory is still 183.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.07ms. Allocated memory is still 234.9MB. Free memory was 182.1MB in the beginning and 180.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.30ms. Allocated memory is still 234.9MB. Free memory was 180.5MB in the beginning and 179.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 268.31ms. Allocated memory is still 234.9MB. Free memory was 179.4MB in the beginning and 198.6MB in the end (delta: -19.3MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 2686.95ms. Allocated memory was 234.9MB in the beginning and 416.3MB in the end (delta: 181.4MB). Free memory was 198.6MB in the beginning and 284.0MB in the end (delta: -85.3MB). Peak memory consumption was 96.9MB. 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 -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -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 2.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 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, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp151 ukn45 mio100 lsp92 div100 bol100 ite100 ukn100 eq156 hnf95 smp100 dnf164 smp74 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.5s - 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: 0.4s, 39 PlacesBefore, 25 PlacesAfterwards, 34 TransitionsBefore, 18 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 18 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 330, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 249, independent: 246, independent conditional: 0, independent unconditional: 246, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 249, independent: 242, independent conditional: 0, independent unconditional: 242, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 330, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 249, unknown conditional: 0, unknown unconditional: 249] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, 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 17:12:26,025 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 17:12:26,212 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 17:12:26,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...