/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_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:33:52,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:33:52,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 01:33:52,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:33:52,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:33:52,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:33:52,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:33:52,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:33:52,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:33:52,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:33:52,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:33:52,955 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:33:52,955 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:33:52,955 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:33:52,956 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:33:52,956 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:33:52,956 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:33:52,957 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:33:52,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:33:52,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:33:52,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:33:52,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:33:52,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:33:52,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:33:52,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:33:52,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:33:52,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:33:52,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:33:52,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:33:52,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:33:52,967 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:33:52,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:33:52,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:33:52,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:33:52,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:33:52,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:33:52,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:33:52,969 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:33:52,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:33:53,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:33:53,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:33:53,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:33:53,323 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:33:53,325 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:33:53,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl [2024-02-10 01:33:53,326 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2024-02-10 01:33:53,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:33:53,350 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:33:53,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:33:53,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:33:53,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:33:53,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,380 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:33:53,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:33:53,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:33:53,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:33:53,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:33:53,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:33:53,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:33:53,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:33:53,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:33:53,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/1) ... [2024-02-10 01:33:53,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:53,491 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) [2024-02-10 01:33:53,517 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 [2024-02-10 01:33:53,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-10 01:33:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 01:33:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 01:33:53,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-10 01:33:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 01:33:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 01:33:53,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-10 01:33:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-10 01:33:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-10 01:33:53,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:33:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:33:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:33:53,546 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 01:33:53,598 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:33:53,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:33:53,722 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:33:53,729 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:33:53,729 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 01:33:53,731 INFO L201 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:33:53 BoogieIcfgContainer [2024-02-10 01:33:53,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:33:53,732 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:33:53,733 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:33:53,736 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:33:53,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:33:53,737 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:53" (1/2) ... [2024-02-10 01:33:53,739 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7da02a and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:33:53, skipping insertion in model container [2024-02-10 01:33:53,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:33:53,739 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:33:53" (2/2) ... [2024-02-10 01:33:53,757 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1.bpl [2024-02-10 01:33:53,832 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-10 01:33:53,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 101 flow [2024-02-10 01:33:53,884 INFO L124 PetriNetUnfolderBase]: 5/34 cut-off events. [2024-02-10 01:33:53,884 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-10 01:33:53,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2024-02-10 01:33:53,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 101 flow [2024-02-10 01:33:53,895 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 86 flow [2024-02-10 01:33:53,901 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:33:53,902 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:33:53,902 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:33:53,902 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:33:53,902 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:33:53,902 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:33:53,902 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:33:53,903 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:33:53,904 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:53,905 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 39 places, 34 transitions, 86 flow [2024-02-10 01:33:53,966 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 498 states, 496 states have (on average 3.157258064516129) internal successors, (1566), 497 states have internal predecessors, (1566), 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) [2024-02-10 01:33:53,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 498 states, 496 states have (on average 3.157258064516129) internal successors, (1566), 497 states have internal predecessors, (1566), 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) [2024-02-10 01:33:54,030 INFO L131 ngComponentsAnalysis]: Automaton has 62 accepting balls. 426 [2024-02-10 01:33:54,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:33:54,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:33:54,034 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:33:54,034 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:54,034 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 39 places, 34 transitions, 86 flow [2024-02-10 01:33:54,053 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 498 states, 496 states have (on average 3.157258064516129) internal successors, (1566), 497 states have internal predecessors, (1566), 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) [2024-02-10 01:33:54,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 498 states, 496 states have (on average 3.157258064516129) internal successors, (1566), 497 states have internal predecessors, (1566), 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) [2024-02-10 01:33:54,068 INFO L131 ngComponentsAnalysis]: Automaton has 62 accepting balls. 426 [2024-02-10 01:33:54,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:33:54,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:33:54,075 INFO L748 eck$LassoCheckResult]: Stem: Black: 1043#[$Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 1046#[L34]don't care [114] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 1048#[L34-1, $Ultimate##0]don't care [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 1050#[L34-1, L51-1]don't care [2024-02-10 01:33:54,075 INFO L750 eck$LassoCheckResult]: Loop: 1050#[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[] 1056#[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] 1068#[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] 1050#[L34-1, L51-1]don't care [2024-02-10 01:33:54,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:54,086 INFO L85 PathProgramCache]: Analyzing trace with hash 113176, now seen corresponding path program 1 times [2024-02-10 01:33:54,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:54,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389337528] [2024-02-10 01:33:54,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:54,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:54,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:54,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:54,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:54,233 INFO L85 PathProgramCache]: Analyzing trace with hash 119226, now seen corresponding path program 1 times [2024-02-10 01:33:54,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:54,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436898151] [2024-02-10 01:33:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:54,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:54,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:54,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:54,258 INFO L85 PathProgramCache]: Analyzing trace with hash -923251645, now seen corresponding path program 1 times [2024-02-10 01:33:54,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:54,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115370015] [2024-02-10 01:33:54,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:54,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:54,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:54,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:54,479 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:33:54,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:33:54,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:33:54,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:33:54,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:33:54,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:54,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:33:54,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:33:54,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:33:54,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:33:54,481 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:33:54,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:54,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:54,606 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:33:54,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:33:54,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:54,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:54,618 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) [2024-02-10 01:33:54,628 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 [2024-02-10 01:33:54,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:54,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:33:54,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:54,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:54,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:54,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:33:54,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:33:54,645 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 [2024-02-10 01:33:54,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:33:54,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-10 01:33:54,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:54,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:54,664 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) [2024-02-10 01:33:54,666 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 [2024-02-10 01:33:54,667 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 [2024-02-10 01:33:54,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:54,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:54,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:54,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:54,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:33:54,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:33:54,708 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:33:54,732 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-10 01:33:54,732 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:33:54,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:54,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:54,737 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) [2024-02-10 01:33:54,739 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 [2024-02-10 01:33:54,740 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:33:54,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:33:54,749 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:33:54,749 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-10 01:33:54,756 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 [2024-02-10 01:33:54,759 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:33:54,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:33:54,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:33:54,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:33:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:33:54,815 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:33:54,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:33:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:33:54,882 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 [2024-02-10 01:33:54,884 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. 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) [2024-02-10 01:33:55,093 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. 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 9 states and 504 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:33:55,094 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:33:55,095 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:33:55,102 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 [2024-02-10 01:33:55,116 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:33:55,116 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:33:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:33:55,124 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) [2024-02-10 01:33:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2024-02-10 01:33:55,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-10 01:33:55,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:55,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-10 01:33:55,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:55,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-10 01:33:55,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:55,128 INFO L428 stractBuchiCegarLoop]: Abstraction has has 57 places, 852 transitions, 3846 flow [2024-02-10 01:33:55,128 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:33:55,128 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:55,128 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 57 places, 852 transitions, 3846 flow [2024-02-10 01:33:55,297 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 1556 states, 1546 states have (on average 4.145536869340233) internal successors, (6409), 1555 states have internal predecessors, (6409), 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) [2024-02-10 01:33:55,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1556 states, 1546 states have (on average 4.145536869340233) internal successors, (6409), 1555 states have internal predecessors, (6409), 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) [2024-02-10 01:33:55,339 INFO L131 ngComponentsAnalysis]: Automaton has 63 accepting balls. 750 [2024-02-10 01:33:55,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:33:55,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:33:55,344 INFO L748 eck$LassoCheckResult]: Stem: Black: 2092#[$Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] Black: 2095#[L34]don't care [114] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] Black: 2100#[$Ultimate##0, L34-1]don't care [117] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] Black: 2111#[L35, $Ultimate##0, $Ultimate##0]don't care [120] L35-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] Black: 2137#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L36]don't care [106] $Ultimate##0-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 2220#[L83-1, $Ultimate##0, $Ultimate##0, L36]don't care [2024-02-10 01:33:55,345 INFO L750 eck$LassoCheckResult]: Loop: 2220#[L83-1, $Ultimate##0, $Ultimate##0, L36]don't care [108] L83-1-->L84: 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[] Black: 2357#[L84, $Ultimate##0, $Ultimate##0, L36]don't care [110] L84-->L85: 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] 2581#[L85, $Ultimate##0, $Ultimate##0, L36]don't care [111] L85-->L83-1: 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] Black: 2228#[L83-1, $Ultimate##0, $Ultimate##0, L36]don't care [108] L83-1-->L84: 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[] 2352#[L84, $Ultimate##0, $Ultimate##0, L36]don't care [110] L84-->L85: 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] Black: 2583#[L85, $Ultimate##0, $Ultimate##0, L36]don't care [111] L85-->L83-1: 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] 2220#[L83-1, $Ultimate##0, $Ultimate##0, L36]don't care [2024-02-10 01:33:55,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash 108793831, now seen corresponding path program 1 times [2024-02-10 01:33:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:55,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051783516] [2024-02-10 01:33:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:55,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:55,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:55,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:55,376 INFO L85 PathProgramCache]: Analyzing trace with hash -210513887, now seen corresponding path program 1 times [2024-02-10 01:33:55,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:55,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159416168] [2024-02-10 01:33:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:55,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:55,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:55,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:55,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:55,400 INFO L85 PathProgramCache]: Analyzing trace with hash 826399623, now seen corresponding path program 1 times [2024-02-10 01:33:55,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:55,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23099940] [2024-02-10 01:33:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:55,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:55,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:55,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:55,544 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:33:55,544 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:33:55,544 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:33:55,544 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:33:55,544 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:33:55,544 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:55,545 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:33:55,545 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:33:55,545 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:33:55,545 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:33:55,545 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:33:55,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:33:55,679 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:33:55,679 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:33:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:55,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:55,685 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) [2024-02-10 01:33:55,690 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 [2024-02-10 01:33:55,690 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 [2024-02-10 01:33:55,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:55,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:55,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:55,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:55,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:33:55,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:33:55,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:33:55,728 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 [2024-02-10 01:33:55,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:55,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:55,737 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) [2024-02-10 01:33:55,744 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 [2024-02-10 01:33:55,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:55,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:33:55,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:55,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:55,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:55,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:33:55,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:33:55,756 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 [2024-02-10 01:33:55,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:33:55,764 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 [2024-02-10 01:33:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:55,766 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) [2024-02-10 01:33:55,772 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 [2024-02-10 01:33:55,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:55,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:33:55,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:55,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:55,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:55,783 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 [2024-02-10 01:33:55,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:33:55,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:33:55,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:33:55,802 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 [2024-02-10 01:33:55,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:55,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:55,804 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) [2024-02-10 01:33:55,811 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 [2024-02-10 01:33:55,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:55,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:55,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:55,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:55,826 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 [2024-02-10 01:33:55,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:33:55,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:33:55,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:33:55,862 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-10 01:33:55,862 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:33:55,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:55,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:55,865 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) [2024-02-10 01:33:55,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:33:55,884 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 [2024-02-10 01:33:55,894 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:33:55,895 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:33:55,895 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2024-02-10 01:33:55,903 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 [2024-02-10 01:33:55,907 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-10 01:33:55,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:33:55,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:33:55,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:33:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:33:55,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 01:33:55,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:33:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:33:56,025 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-02-10 01:33:56,026 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-02-10 01:33:56,140 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 8 states and 466 transitions.5 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:33:56,141 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:33:56,141 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:33:56,222 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 [2024-02-10 01:33:56,294 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:33:56,294 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:33:56,295 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 [2024-02-10 01:33:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-02-10 01:33:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 154 transitions. [2024-02-10 01:33:56,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-10 01:33:56,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:56,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 11 letters. Loop has 6 letters. [2024-02-10 01:33:56,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:56,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 5 letters. Loop has 12 letters. [2024-02-10 01:33:56,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:56,298 INFO L428 stractBuchiCegarLoop]: Abstraction has has 73 places, 19720 transitions, 128052 flow [2024-02-10 01:33:56,298 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:33:56,298 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:56,298 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 73 places, 19720 transitions, 128052 flow [2024-02-10 01:34:03,602 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 6278 states, 6209 states have (on average 5.467547109035271) internal successors, (33948), 6277 states have internal predecessors, (33948), 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) [2024-02-10 01:34:03,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6278 states, 6209 states have (on average 5.467547109035271) internal successors, (33948), 6277 states have internal predecessors, (33948), 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) [2024-02-10 01:34:03,731 INFO L131 ngComponentsAnalysis]: Automaton has 69 accepting balls. 828 [2024-02-10 01:34:03,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:34:03,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:34:03,732 INFO L748 eck$LassoCheckResult]: Stem: Black: 6334#[$Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] Black: 6337#[L34]don't care [114] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] Black: 6351#[L34-1, $Ultimate##0]don't care [117] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 6382#[$Ultimate##0, $Ultimate##0, L35]don't care [94] $Ultimate##0-->L64: Formula: (= v_thread2Thread1of1ForFork1_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_cnt] Black: 6466#[$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] 6618#[$Ultimate##0, L35, L65-1]don't care [2024-02-10 01:34:03,732 INFO L750 eck$LassoCheckResult]: Loop: 6618#[$Ultimate##0, L35, L65-1]don't care [97] L65-1-->L66: Formula: (< v_thread2Thread1of1ForFork1_j_5 v_N_4) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] Black: 6917#[$Ultimate##0, L66, L35]don't care [100] L66-->L66-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork1_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} AuxVars[] AssignedVars[] 7496#[L66-2, $Ultimate##0, L35]don't care [103] L66-2-->L69-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork1_j_13) 0) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, B=v_B_2} AuxVars[] AssignedVars[] Black: 8576#[L69-1, $Ultimate##0, L35]don't care [105] L69-1-->L65-1: Formula: (= v_thread2Thread1of1ForFork1_j_16 (+ v_thread2Thread1of1ForFork1_j_15 1)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_15} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 6618#[$Ultimate##0, L35, L65-1]don't care [2024-02-10 01:34:03,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:03,733 INFO L85 PathProgramCache]: Analyzing trace with hash 108793014, now seen corresponding path program 1 times [2024-02-10 01:34:03,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:34:03,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257274120] [2024-02-10 01:34:03,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:34:03,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:34:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:03,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:34:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:03,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:34:03,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:03,754 INFO L85 PathProgramCache]: Analyzing trace with hash 3912646, now seen corresponding path program 1 times [2024-02-10 01:34:03,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:34:03,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449996941] [2024-02-10 01:34:03,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:34:03,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:34:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:03,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:34:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:03,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:34:03,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:03,777 INFO L85 PathProgramCache]: Analyzing trace with hash 466116091, now seen corresponding path program 1 times [2024-02-10 01:34:03,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:34:03,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570768321] [2024-02-10 01:34:03,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:34:03,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:34:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:03,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:34:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:03,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:34:03,873 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:34:03,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:34:03,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:34:03,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:34:03,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:34:03,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:03,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:34:03,874 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:34:03,874 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration3_Lasso [2024-02-10 01:34:03,874 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:34:03,874 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:34:03,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:34:03,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:34:03,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:34:03,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:34:03,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:34:03,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:34:03,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:34:03,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:34:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:03,977 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) [2024-02-10 01:34:03,988 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 [2024-02-10 01:34:03,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:03,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:03,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:03,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:03,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:34:03,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:34:04,002 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 [2024-02-10 01:34:04,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:04,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-10 01:34:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:04,018 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) [2024-02-10 01:34:04,023 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 [2024-02-10 01:34:04,024 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 [2024-02-10 01:34:04,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:04,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:34:04,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:04,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:04,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:04,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:34:04,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:34:04,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:04,055 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 [2024-02-10 01:34:04,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:04,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:04,056 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) [2024-02-10 01:34:04,068 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 [2024-02-10 01:34:04,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:04,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:34:04,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:04,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:04,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:04,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:34:04,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:34:04,084 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 [2024-02-10 01:34:04,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:04,099 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 [2024-02-10 01:34:04,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:04,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:04,101 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) [2024-02-10 01:34:04,107 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 [2024-02-10 01:34:04,108 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 [2024-02-10 01:34:04,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:04,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:04,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:04,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:04,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:34:04,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:34:04,134 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:34:04,150 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-02-10 01:34:04,150 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:34:04,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:04,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:04,152 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) [2024-02-10 01:34:04,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:34:04,162 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 [2024-02-10 01:34:04,181 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:34:04,182 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:34:04,182 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2024-02-10 01:34:04,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-02-10 01:34:04,190 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:34:04,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:34:04,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:34:04,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:34:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:34:04,220 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:34:04,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:34:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:34:04,246 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 [2024-02-10 01:34:04,246 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-10 01:34:04,344 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 states and 504 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:34:04,345 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:34:04,345 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:34:04,556 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 [2024-02-10 01:34:09,685 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:34:09,686 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:34:09,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:34:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-10 01:34:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2024-02-10 01:34:09,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 01:34:09,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:34:09,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-10 01:34:09,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:34:09,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-10 01:34:09,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:34:09,688 INFO L428 stractBuchiCegarLoop]: Abstraction has has 91 places, 492752 transitions, 4176328 flow [2024-02-10 01:34:09,688 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-10 01:34:09,688 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:34:09,689 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 91 places, 492752 transitions, 4176328 flow