/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:24:20,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:24:20,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:24:20,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:24:20,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:24:20,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:24:20,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:24:20,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:24:20,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:24:20,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:24:20,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:24:20,714 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:24:20,715 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:24:20,717 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:24:20,717 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:24:20,718 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:24:20,718 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:24:20,718 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:24:20,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:24:20,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:24:20,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:24:20,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:24:20,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:24:20,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:24:20,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:24:20,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:24:20,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:24:20,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:24:20,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:24:20,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:24:20,724 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:24:20,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:24:20,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:24:20,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:24:20,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:24:20,725 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:24:20,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:24:20,726 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:24:20,726 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:24:21,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:24:21,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:24:21,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:24:21,039 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:24:21,042 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:24:21,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl [2024-02-09 23:24:21,044 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl' [2024-02-09 23:24:21,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:24:21,068 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:24:21,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:21,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:24:21,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:24:21,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,089 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:24:21,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:21,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:24:21,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:24:21,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:24:21,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:24:21,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:24:21,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:24:21,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:24:21,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/1) ... [2024-02-09 23:24:21,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:21,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:21,196 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) [2024-02-09 23:24:21,203 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 [2024-02-09 23:24:21,236 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-09 23:24:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-09 23:24:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-09 23:24:21,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-09 23:24:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-09 23:24:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-09 23:24:21,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-09 23:24:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-09 23:24:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-09 23:24:21,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:24:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:24:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:24:21,238 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:24:21,279 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:24:21,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:24:21,423 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:24:21,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:24:21,465 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:24:21,467 INFO L201 PluginConnector]: Adding new model map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:21 BoogieIcfgContainer [2024-02-09 23:24:21,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:24:21,467 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:24:21,468 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:24:21,493 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:24:21,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:21,494 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:21" (1/2) ... [2024-02-09 23:24:21,498 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3297a02d and model type map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:24:21, skipping insertion in model container [2024-02-09 23:24:21,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:21,499 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:21" (2/2) ... [2024-02-09 23:24:21,500 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update2.bpl [2024-02-09 23:24:21,581 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-09 23:24:21,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 91 flow [2024-02-09 23:24:21,651 INFO L124 PetriNetUnfolderBase]: 3/29 cut-off events. [2024-02-09 23:24:21,652 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-09 23:24:21,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2024-02-09 23:24:21,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 35 transitions, 91 flow [2024-02-09 23:24:21,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 29 transitions, 76 flow [2024-02-09 23:24:21,672 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:24:21,672 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:24:21,672 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:24:21,672 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:24:21,672 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:24:21,672 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:24:21,672 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:24:21,676 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:24:21,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:24:21,783 INFO L131 ngComponentsAnalysis]: Automaton has 62 accepting balls. 282 [2024-02-09 23:24:21,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:21,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:21,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:21,788 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:21,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:24:21,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 353 states, but on-demand construction may add more states [2024-02-09 23:24:21,801 INFO L131 ngComponentsAnalysis]: Automaton has 62 accepting balls. 282 [2024-02-09 23:24:21,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:21,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:21,802 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:21,802 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:21,806 INFO L748 eck$LassoCheckResult]: Stem: 42#[$Ultimate##0]don't care [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 45#[L34]don't care [109] L34-->$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] 47#[L34-1, $Ultimate##0]don't care [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 51#[L34-1, L51-1]don't care [2024-02-09 23:24:21,806 INFO L750 eck$LassoCheckResult]: Loop: 51#[L34-1, L51-1]don't care [90] L51-1-->L52: Formula: (< v_thread1Thread1of1ForFork0_i_5 v_N_1) InVars {thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_5, N=v_N_1} AuxVars[] AssignedVars[] 61#[L34-1, L52]don't care [92] L52-->L53: Formula: (= v_A_1 (store v_A_2 v_thread1Thread1of1ForFork0_i_7 (let ((.cse0 (select v_A_2 v_thread1Thread1of1ForFork0_i_7))) (ite (< .cse0 0) 0 .cse0)))) InVars {A=v_A_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} AuxVars[] AssignedVars[A] 79#[L34-1, L53]don't care [93] L53-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_10 (+ v_thread1Thread1of1ForFork0_i_9 1)) InVars {thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_9} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 51#[L34-1, L51-1]don't care [2024-02-09 23:24:21,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:21,810 INFO L85 PathProgramCache]: Analyzing trace with hash 114943, now seen corresponding path program 1 times [2024-02-09 23:24:21,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:21,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494944136] [2024-02-09 23:24:21,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:21,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:21,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:21,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:21,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:21,894 INFO L85 PathProgramCache]: Analyzing trace with hash 119226, now seen corresponding path program 1 times [2024-02-09 23:24:21,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:21,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351239271] [2024-02-09 23:24:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:21,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:21,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:21,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:21,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash -870610948, now seen corresponding path program 1 times [2024-02-09 23:24:21,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321514444] [2024-02-09 23:24:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:21,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:21,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:22,022 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:22,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:22,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:22,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:22,023 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:22,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:22,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:22,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:24:22,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:22,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:22,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:22,113 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:22,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,124 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) [2024-02-09 23:24:22,140 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 [2024-02-09 23:24:22,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:22,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:22,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:22,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:22,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:22,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:22,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:22,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:22,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:22,178 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 [2024-02-09 23:24:22,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,182 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) [2024-02-09 23:24:22,197 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 [2024-02-09 23:24:22,200 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 [2024-02-09 23:24:22,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:22,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:22,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:22,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:22,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:22,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:22,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:22,249 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-09 23:24:22,249 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:24:22,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,260 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) [2024-02-09 23:24:22,262 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 [2024-02-09 23:24:22,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:22,279 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:22,280 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:22,280 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-09 23:24:22,283 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 [2024-02-09 23:24:22,286 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:22,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:22,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:22,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:22,326 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:22,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:22,367 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-09 23:24:22,369 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 353 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-02-09 23:24:22,477 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 353 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 900 states and 3151 transitions. Complement of second has 6 states. [2024-02-09 23:24:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-02-09 23:24:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 76 transitions. [2024-02-09 23:24:22,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 76 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-09 23:24:22,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:22,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 76 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-09 23:24:22,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:22,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 76 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-09 23:24:22,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:22,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 900 states and 3151 transitions. [2024-02-09 23:24:22,512 INFO L131 ngComponentsAnalysis]: Automaton has 63 accepting balls. 231 [2024-02-09 23:24:22,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 900 states to 682 states and 2392 transitions. [2024-02-09 23:24:22,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 362 [2024-02-09 23:24:22,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 499 [2024-02-09 23:24:22,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 682 states and 2392 transitions. [2024-02-09 23:24:22,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:22,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 682 states and 2392 transitions. [2024-02-09 23:24:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states and 2392 transitions. [2024-02-09 23:24:22,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 548. [2024-02-09 23:24:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 548 states have (on average 3.551094890510949) internal successors, (1946), 547 states have internal predecessors, (1946), 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) [2024-02-09 23:24:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1946 transitions. [2024-02-09 23:24:22,615 INFO L240 hiAutomatonCegarLoop]: Abstraction has 548 states and 1946 transitions. [2024-02-09 23:24:22,616 INFO L428 stractBuchiCegarLoop]: Abstraction has 548 states and 1946 transitions. [2024-02-09 23:24:22,616 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:24:22,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 548 states and 1946 transitions. [2024-02-09 23:24:22,619 INFO L131 ngComponentsAnalysis]: Automaton has 63 accepting balls. 231 [2024-02-09 23:24:22,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:22,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:22,620 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:22,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:22,620 INFO L748 eck$LassoCheckResult]: Stem: 2673#[$Ultimate##0]don't care [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 2669#[L34]don't care [109] L34-->$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] 2671#[L34-1, $Ultimate##0]don't care [112] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_8, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 1779#[$Ultimate##0, L35, $Ultimate##0]don't care [115] L35-->$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] 1781#[$Ultimate##0, L36, $Ultimate##0, $Ultimate##0]don't care [101] $Ultimate##0-->L85-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 2603#[L36, $Ultimate##0, L85-1, $Ultimate##0]don't care [2024-02-09 23:24:22,620 INFO L750 eck$LassoCheckResult]: Loop: 2603#[L36, $Ultimate##0, L85-1, $Ultimate##0]don't care [103] L85-1-->L86: Formula: (< v_thread3Thread1of1ForFork2_k_5 v_N_5) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} AuxVars[] AssignedVars[] 2605#[L36, $Ultimate##0, L86, $Ultimate##0]don't care [105] L86-->L87: Formula: (= v_B_3 (store v_B_4 v_thread3Thread1of1ForFork2_k_7 v_thread3Thread1of1ForFork2_k_7)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_4} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_3} AuxVars[] AssignedVars[B] 2771#[L36, $Ultimate##0, L87, $Ultimate##0]don't care [106] L87-->L85-1: Formula: (= v_thread3Thread1of1ForFork2_k_10 (+ v_thread3Thread1of1ForFork2_k_9 1)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_9} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_10} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 2603#[L36, $Ultimate##0, L85-1, $Ultimate##0]don't care [2024-02-09 23:24:22,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:22,621 INFO L85 PathProgramCache]: Analyzing trace with hash 110486953, now seen corresponding path program 1 times [2024-02-09 23:24:22,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:22,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332159617] [2024-02-09 23:24:22,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:22,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:22,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:22,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:22,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:22,632 INFO L85 PathProgramCache]: Analyzing trace with hash 132135, now seen corresponding path program 1 times [2024-02-09 23:24:22,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:22,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098696876] [2024-02-09 23:24:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:22,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:22,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:22,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:22,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1571970431, now seen corresponding path program 1 times [2024-02-09 23:24:22,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:22,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864035880] [2024-02-09 23:24:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:22,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:22,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:22,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:22,766 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:22,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:22,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:22,766 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:22,766 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:22,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,766 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:22,766 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:22,766 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:24:22,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:22,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:22,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:22,880 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:22,881 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:22,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,882 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) [2024-02-09 23:24:22,885 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 [2024-02-09 23:24:22,886 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 [2024-02-09 23:24:22,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:22,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:22,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:22,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:22,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:22,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:22,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:22,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,917 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) [2024-02-09 23:24:22,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:22,921 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 [2024-02-09 23:24:22,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:22,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:22,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:22,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:22,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:22,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:22,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:22,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:22,943 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 [2024-02-09 23:24:22,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,944 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) [2024-02-09 23:24:22,945 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 [2024-02-09 23:24:22,947 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 [2024-02-09 23:24:22,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:22,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:22,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:22,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:22,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:22,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:22,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:22,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:22,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:22,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:22,988 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) [2024-02-09 23:24:22,991 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 [2024-02-09 23:24:22,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:22,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:22,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:22,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:23,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:23,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:23,009 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 [2024-02-09 23:24:23,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:23,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:23,025 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) [2024-02-09 23:24:23,028 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 [2024-02-09 23:24:23,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:23,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:23,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:23,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:23,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:23,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:23,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:23,038 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 [2024-02-09 23:24:23,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:23,055 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 [2024-02-09 23:24:23,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:23,058 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) [2024-02-09 23:24:23,085 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 [2024-02-09 23:24:23,090 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 [2024-02-09 23:24:23,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:23,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:23,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:23,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:23,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:23,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:23,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:23,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-02-09 23:24:23,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:23,118 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) [2024-02-09 23:24:23,133 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 [2024-02-09 23:24:23,136 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 [2024-02-09 23:24:23,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:23,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:23,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:23,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:23,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:23,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:23,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:23,178 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-09 23:24:23,178 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-09 23:24:23,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:23,188 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) [2024-02-09 23:24:23,190 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 [2024-02-09 23:24:23,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:23,200 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:23,200 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:23,200 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2024-02-09 23:24:23,205 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 [2024-02-09 23:24:23,207 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:23,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:23,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:23,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:23,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:23,277 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:23,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:23,299 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-09 23:24:23,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 548 states and 1946 transitions. cyclomatic complexity: 1483 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-09 23:24:23,312 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 [2024-02-09 23:24:23,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 548 states and 1946 transitions. cyclomatic complexity: 1483. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 1473 states and 5668 transitions. Complement of second has 6 states. [2024-02-09 23:24:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-09 23:24:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 72 transitions. [2024-02-09 23:24:23,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 72 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:24:23,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:23,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 72 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:24:23,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:23,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 72 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:24:23,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:23,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1473 states and 5668 transitions. [2024-02-09 23:24:23,386 INFO L131 ngComponentsAnalysis]: Automaton has 48 accepting balls. 144 [2024-02-09 23:24:23,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1473 states to 956 states and 3672 transitions. [2024-02-09 23:24:23,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 356 [2024-02-09 23:24:23,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 459 [2024-02-09 23:24:23,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 956 states and 3672 transitions. [2024-02-09 23:24:23,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:23,395 INFO L218 hiAutomatonCegarLoop]: Abstraction has 956 states and 3672 transitions. [2024-02-09 23:24:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states and 3672 transitions. [2024-02-09 23:24:23,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 787. [2024-02-09 23:24:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 787 states have (on average 3.8310038119440915) internal successors, (3015), 786 states have internal predecessors, (3015), 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) [2024-02-09 23:24:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 3015 transitions. [2024-02-09 23:24:23,417 INFO L240 hiAutomatonCegarLoop]: Abstraction has 787 states and 3015 transitions. [2024-02-09 23:24:23,417 INFO L428 stractBuchiCegarLoop]: Abstraction has 787 states and 3015 transitions. [2024-02-09 23:24:23,418 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:24:23,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 787 states and 3015 transitions. [2024-02-09 23:24:23,422 INFO L131 ngComponentsAnalysis]: Automaton has 48 accepting balls. 144 [2024-02-09 23:24:23,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:23,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:23,422 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:23,422 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:24:23,423 INFO L748 eck$LassoCheckResult]: Stem: 5342#[$Ultimate##0]don't care [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 5336#[L34]don't care [109] L34-->$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] 5338#[L34-1, $Ultimate##0]don't care [112] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_8, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 4404#[$Ultimate##0, L35, $Ultimate##0]don't care [94] $Ultimate##0-->L64: Formula: (= (+ v_thread2Thread1of1ForFork1_pos_1 1) 0) InVars {} OutVars{thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_pos] 4410#[$Ultimate##0, L35, L64]don't care [95] L64-->L65-1: Formula: (= v_thread2Thread1of1ForFork1_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 5166#[L65-1, $Ultimate##0, L35]don't care [2024-02-09 23:24:23,423 INFO L750 eck$LassoCheckResult]: Loop: 5166#[L65-1, $Ultimate##0, L35]don't care [97] L65-1-->L66: Formula: (< v_thread2Thread1of1ForFork1_j_5 v_N_4) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] 4452#[$Ultimate##0, L66, L35]don't care [99] L66-->L70-1: Formula: (and (let ((.cse0 (select v_A_9 v_thread2Thread1of1ForFork1_j_7))) (or (and (= v_thread2_pos_16 v_thread2Thread1of1ForFork1_j_7) (< 0 .cse0)) (and (<= .cse0 0) (= v_thread2_pos_16 v_thread2Thread1of1ForFork1_pos_3)))) (let ((.cse1 (select v_B_7 v_thread2Thread1of1ForFork1_j_7))) (or (and (<= .cse1 0) (= v_thread2_pos_16 v_thread2Thread1of1ForFork1_pos_4)) (and (< 0 .cse1) (= v_thread2Thread1of1ForFork1_pos_4 v_thread2Thread1of1ForFork1_j_7))))) InVars {A=v_A_9, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_7, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_3, B=v_B_7} OutVars{A=v_A_9, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_7, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_4, B=v_B_7} AuxVars[v_thread2_pos_16] AssignedVars[thread2Thread1of1ForFork1_pos] 4454#[$Ultimate##0, L70-1, L35]don't care [100] L70-1-->L65-1: Formula: (= v_thread2Thread1of1ForFork1_j_10 (+ v_thread2Thread1of1ForFork1_j_9 1)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_10} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 5166#[L65-1, $Ultimate##0, L35]don't care [2024-02-09 23:24:23,423 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:23,423 INFO L85 PathProgramCache]: Analyzing trace with hash 110486296, now seen corresponding path program 1 times [2024-02-09 23:24:23,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:23,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684632078] [2024-02-09 23:24:23,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:23,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:23,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:23,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:23,430 INFO L85 PathProgramCache]: Analyzing trace with hash 126177, now seen corresponding path program 1 times [2024-02-09 23:24:23,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:23,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830169775] [2024-02-09 23:24:23,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:23,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:23,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:23,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:23,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:23,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1552391786, now seen corresponding path program 1 times [2024-02-09 23:24:23,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:23,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137135125] [2024-02-09 23:24:23,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:23,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:23,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:23,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:23,593 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:23,593 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:23,593 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:23,593 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:23,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:23,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,594 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:23,594 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:23,594 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:24:23,594 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:23,594 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:23,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:23,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:23,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:23,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:23,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:23,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:23,782 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:23,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:23,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:23,808 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 [2024-02-09 23:24:23,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:23,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:23,818 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-02-09 23:24:23,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:23,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-02-09 23:24:23,842 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2024-02-09 23:24:23,842 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-02-09 23:24:23,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:23,946 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-02-09 23:24:23,946 INFO L444 ModelExtractionUtils]: 37 out of 50 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-02-09 23:24:23,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:23,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:23,956 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:24,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-02-09 23:24:24,004 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:24,042 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2024-02-09 23:24:24,042 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:24,042 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2024-02-09 23:24:24,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:24,050 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:24,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:24,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:24,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:24,081 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:24,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:24,098 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-09 23:24:24,099 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 787 states and 3015 transitions. cyclomatic complexity: 2325 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-09 23:24:24,177 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 787 states and 3015 transitions. cyclomatic complexity: 2325. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 2077 states and 8081 transitions. Complement of second has 6 states. [2024-02-09 23:24:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-09 23:24:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2024-02-09 23:24:24,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 65 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:24:24,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:24,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 65 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:24:24,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:24,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 65 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:24:24,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:24,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2077 states and 8081 transitions. [2024-02-09 23:24:24,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-02-09 23:24:24,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:24,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2077 states to 0 states and 0 transitions. [2024-02-09 23:24:24,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:24:24,240 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:24:24,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:24:24,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:24:24,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:24,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:24,240 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:24,240 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:24:24,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:24:24,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:24,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:24:24,247 INFO L201 PluginConnector]: Adding new model map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:24:24 BoogieIcfgContainer [2024-02-09 23:24:24,247 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:24:24,247 INFO L158 Benchmark]: Toolchain (without parser) took 3179.72ms. Allocated memory was 222.3MB in the beginning and 331.4MB in the end (delta: 109.1MB). Free memory was 191.7MB in the beginning and 287.3MB in the end (delta: -95.7MB). Peak memory consumption was 14.5MB. Max. memory is 8.0GB. [2024-02-09 23:24:24,248 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 192.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:24:24,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.99ms. Allocated memory is still 222.3MB. Free memory was 191.6MB in the beginning and 190.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-02-09 23:24:24,248 INFO L158 Benchmark]: Boogie Preprocessor took 57.18ms. Allocated memory is still 222.3MB. Free memory was 190.1MB in the beginning and 197.0MB in the end (delta: -6.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-02-09 23:24:24,249 INFO L158 Benchmark]: RCFGBuilder took 318.06ms. Allocated memory is still 222.3MB. Free memory was 197.0MB in the beginning and 185.9MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-02-09 23:24:24,249 INFO L158 Benchmark]: BuchiAutomizer took 2779.35ms. Allocated memory was 222.3MB in the beginning and 331.4MB in the end (delta: 109.1MB). Free memory was 185.7MB in the beginning and 287.3MB in the end (delta: -101.7MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2024-02-09 23:24:24,250 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 0.12ms. Allocated memory is still 222.3MB. Free memory is still 192.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.99ms. Allocated memory is still 222.3MB. Free memory was 191.6MB in the beginning and 190.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.18ms. Allocated memory is still 222.3MB. Free memory was 190.1MB in the beginning and 197.0MB in the end (delta: -6.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 318.06ms. Allocated memory is still 222.3MB. Free memory was 197.0MB in the beginning and 185.9MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 2779.35ms. Allocated memory was 222.3MB in the beginning and 331.4MB in the end (delta: 109.1MB). Free memory was 185.7MB in the beginning and 287.3MB in the end (delta: -101.7MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 303 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s 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, 162 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 96 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp136 ukn48 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf145 smp85 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 259ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 23:24:24,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...