/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-update1-4modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:33:21,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:33:21,563 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 01:33:21,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:33:21,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:33:21,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:33:21,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:33:21,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:33:21,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:33:21,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:33:21,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:33:21,589 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:33:21,589 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:33:21,589 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:33:21,590 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:33:21,590 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:33:21,590 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:33:21,590 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:33:21,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:33:21,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:33:21,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:33:21,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:33:21,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:33:21,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:33:21,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:33:21,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:33:21,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:33:21,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:33:21,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:33:21,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:33:21,601 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:33:21,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:33:21,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:33:21,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:33:21,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:33:21,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:33:21,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:33:21,602 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:33:21,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:33:21,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:33:21,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:33:21,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:33:21,944 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:33:21,946 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:33:21,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl [2024-02-10 01:33:21,947 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl' [2024-02-10 01:33:21,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:33:21,972 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:33:21,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:33:21,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:33:21,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:33:21,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:21,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:21,999 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:33:22,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:33:22,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:33:22,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:33:22,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:33:22,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:33:22,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:33:22,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:33:22,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:33:22,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/1) ... [2024-02-10 01:33:22,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:22,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:22,135 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 01:33:22,156 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 01:33:22,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-10 01:33:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 01:33:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 01:33:22,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-10 01:33:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 01:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 01:33:22,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-10 01:33:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-10 01:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-10 01:33:22,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:33:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:33:22,181 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 01:33:22,226 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:33:22,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:33:22,392 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:33:22,397 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:33:22,398 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 01:33:22,399 INFO L201 PluginConnector]: Adding new model map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:33:22 BoogieIcfgContainer [2024-02-10 01:33:22,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:33:22,400 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:33:22,400 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:33:22,405 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:33:22,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:33:22,406 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:33:21" (1/2) ... [2024-02-10 01:33:22,408 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@522a44ce and model type map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:33:22, skipping insertion in model container [2024-02-10 01:33:22,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:33:22,408 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:33:22" (2/2) ... [2024-02-10 01:33:22,410 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-4modifiers.bpl [2024-02-10 01:33:22,538 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-02-10 01:33:22,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 70 transitions, 182 flow [2024-02-10 01:33:22,606 INFO L124 PetriNetUnfolderBase]: 8/58 cut-off events. [2024-02-10 01:33:22,606 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-02-10 01:33:22,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 166 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-02-10 01:33:22,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 70 transitions, 182 flow [2024-02-10 01:33:22,617 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 58 transitions, 152 flow [2024-02-10 01:33:22,623 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:33:22,623 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:33:22,623 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:33:22,623 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:33:22,623 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:33:22,623 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:33:22,623 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:33:22,624 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:33:22,624 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:22,625 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 69 places, 58 transitions, 152 flow [2024-02-10 01:33:27,790 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 107826 states, 107824 states have (on average 6.151079537023297) internal successors, (663234), 107825 states have internal predecessors, (663234), 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 01:33:28,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107826 states, 107824 states have (on average 6.151079537023297) internal successors, (663234), 107825 states have internal predecessors, (663234), 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 01:33:32,361 INFO L131 ngComponentsAnalysis]: Automaton has 6545 accepting balls. 105921 [2024-02-10 01:33:32,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:33:32,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:33:32,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:33:32,368 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:32,368 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 69 places, 58 transitions, 152 flow [2024-02-10 01:33:36,245 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 107826 states, 107824 states have (on average 6.151079537023297) internal successors, (663234), 107825 states have internal predecessors, (663234), 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 01:33:36,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107826 states, 107824 states have (on average 6.151079537023297) internal successors, (663234), 107825 states have internal predecessors, (663234), 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 01:33:40,819 INFO L131 ngComponentsAnalysis]: Automaton has 6545 accepting balls. 105921 [2024-02-10 01:33:40,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:33:40,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:33:40,827 INFO L748 eck$LassoCheckResult]: Stem: Black: 215732#[$Ultimate##0]don't care [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 215735#[L34]don't care [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 215737#[L34-1, $Ultimate##0]don't care [100] $Ultimate##0-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 215739#[L34-1, L57-1]don't care [2024-02-10 01:33:40,828 INFO L750 eck$LassoCheckResult]: Loop: 215739#[L34-1, L57-1]don't care [102] L57-1-->L58: Formula: (< v_thread1Thread1of1ForFork3_i_5 v_N_1) InVars {thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_5, N=v_N_1} AuxVars[] AssignedVars[] 215745#[L34-1, L58]don't care [104] L58-->L59: Formula: (= (store v_A_2 v_thread1Thread1of1ForFork3_i_7 (let ((.cse0 (select v_A_2 v_thread1Thread1of1ForFork3_i_7))) (ite (< .cse0 0) 0 .cse0))) v_A_1) InVars {A=v_A_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_7} AuxVars[] AssignedVars[A] 215757#[L34-1, L59]don't care [105] L59-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_10 (+ v_thread1Thread1of1ForFork3_i_9 1)) InVars {thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_9} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 215739#[L34-1, L57-1]don't care [2024-02-10 01:33:40,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:40,837 INFO L85 PathProgramCache]: Analyzing trace with hash 124968, now seen corresponding path program 1 times [2024-02-10 01:33:40,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:40,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747402984] [2024-02-10 01:33:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:40,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:40,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:40,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash 131142, now seen corresponding path program 1 times [2024-02-10 01:33:40,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:40,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315462611] [2024-02-10 01:33:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:40,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:40,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:40,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:40,940 INFO L85 PathProgramCache]: Analyzing trace with hash -571944257, now seen corresponding path program 1 times [2024-02-10 01:33:40,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:33:40,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374254011] [2024-02-10 01:33:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:33:40,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:33:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:40,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:33:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:33:40,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:33:41,040 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:33:41,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:33:41,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:33:41,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:33:41,041 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:33:41,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:41,041 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:33:41,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:33:41,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:33:41,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:33:41,041 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:33:41,054 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 01:33:41,080 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 01:33:41,153 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:33:41,156 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:33:41,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:41,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:41,167 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 01:33:41,169 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 01:33:41,198 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 01:33:41,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:33:41,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:33:41,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:33:41,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:33:41,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:33:41,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:33:41,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:33:41,241 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-02-10 01:33:41,241 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-10 01:33:41,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:33:41,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:33:41,244 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 01:33:41,245 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 01:33:41,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:33:41,255 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:33:41,256 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:33:41,257 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork3_i, N) = -1*thread1Thread1of1ForFork3_i + 1*N Supporting invariants [] [2024-02-10 01:33:41,264 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 [2024-02-10 01:33:41,267 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:33:41,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:33:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:33:41,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:33:41,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:33:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:33:41,328 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:33:41,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:33:41,353 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 01:33:41,376 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 01:33:41,377 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 01:33:41,590 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 894 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:33:41,591 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:33:41,591 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:33:41,599 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:33:41,599 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:33:41,601 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 01:33:41,604 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 01:33:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 344 transitions. [2024-02-10 01:33:41,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 344 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-10 01:33:41,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:41,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 344 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-10 01:33:41,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:41,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 344 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-10 01:33:41,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:33:41,606 INFO L428 stractBuchiCegarLoop]: Abstraction has has 87 places, 1476 transitions, 6810 flow [2024-02-10 01:33:41,606 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:33:41,606 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:33:41,606 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 87 places, 1476 transitions, 6810 flow [2024-02-10 01:33:42,101 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 01:34:20,850 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 339020 states, 339010 states have (on average 8.207760833013776) internal successors, (2782513), 339019 states have internal predecessors, (2782513), 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 01:34:21,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 339020 states, 339010 states have (on average 8.207760833013776) internal successors, (2782513), 339019 states have internal predecessors, (2782513), 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 01:34:36,851 INFO L131 ngComponentsAnalysis]: Automaton has 8502 accepting balls. 208932 [2024-02-10 01:34:36,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:34:36,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:34:36,860 INFO L748 eck$LassoCheckResult]: Stem: Black: 431437#[$Ultimate##0]don't care [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 431443#[L34]don't care [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] Black: 431450#[$Ultimate##0, L34-1]don't care [156] L34-1-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 431459#[$Ultimate##0, $Ultimate##0, L35]don't care [106] $Ultimate##0-->L70: Formula: (= v_thread2Thread1of1ForFork4_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt] Black: 431492#[$Ultimate##0, L70, L35]don't care [107] L70-->L71-1: Formula: (= v_thread2Thread1of1ForFork4_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_j] 431552#[L71-1, $Ultimate##0, L35]don't care [2024-02-10 01:34:36,860 INFO L750 eck$LassoCheckResult]: Loop: 431552#[L71-1, $Ultimate##0, L35]don't care [109] L71-1-->L72: Formula: (< v_thread2Thread1of1ForFork4_j_5 v_N_4) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_5, N=v_N_4} AuxVars[] AssignedVars[] Black: 431685#[L72, $Ultimate##0, L35]don't care [112] L72-->L72-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork4_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_9} AuxVars[] AssignedVars[] 431962#[$Ultimate##0, L72-2, L35]don't care [115] L72-2-->L75-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork4_j_13) 0) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_13, B=v_B_2} AuxVars[] AssignedVars[] Black: 432616#[L75-1, $Ultimate##0, L35]don't care [117] L75-1-->L71-1: Formula: (= v_thread2Thread1of1ForFork4_j_16 (+ v_thread2Thread1of1ForFork4_j_15 1)) InVars {thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_15} OutVars{thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_j] 431552#[L71-1, $Ultimate##0, L35]don't care [2024-02-10 01:34:36,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 120151457, now seen corresponding path program 1 times [2024-02-10 01:34:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:34:36,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170269163] [2024-02-10 01:34:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:34:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:34:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:36,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:34:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:36,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:34:36,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:36,872 INFO L85 PathProgramCache]: Analyzing trace with hash 4282054, now seen corresponding path program 1 times [2024-02-10 01:34:36,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:34:36,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132300979] [2024-02-10 01:34:36,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:34:36,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:34:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:36,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:34:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:36,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:34:36,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:36,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1916986470, now seen corresponding path program 1 times [2024-02-10 01:34:36,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:34:36,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276266126] [2024-02-10 01:34:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:34:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:34:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:36,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:34:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:34:36,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:34:36,999 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:34:36,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:34:36,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:34:36,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:34:36,999 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:34:36,999 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:36,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:34:36,999 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:34:37,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:34:37,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:34:37,000 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:34:37,001 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 01:34:37,004 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 01:34:37,010 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 01:34:37,014 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 01:34:37,031 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 01:34:37,045 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 01:34:37,141 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:34:37,141 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:34:37,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,149 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 01:34:37,172 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 01:34:37,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 01:34:37,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:34:37,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:34:37,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:37,235 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 01:34:37,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,249 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 01:34:37,299 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 01:34:37,300 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 01:34:37,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:34:37,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:34:37,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:37,350 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 01:34:37,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,361 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 01:34:37,424 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 01:34:37,426 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 01:34:37,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:34:37,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:34:37,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:34:37,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:37,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-02-10 01:34:37,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,485 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 01:34:37,517 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 01:34:37,518 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 01:34:37,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:34:37,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:34:37,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:37,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-02-10 01:34:37,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,578 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 01:34:37,581 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 01:34:37,582 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 01:34:37,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:34:37,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:34:37,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:34:37,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:37,642 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 01:34:37,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,665 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 01:34:37,680 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 01:34:37,682 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 01:34:37,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:34:37,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:34:37,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:34:37,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:34:37,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-10 01:34:37,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,749 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 01:34:37,750 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 01:34:37,770 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 01:34:37,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:34:37,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:34:37,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:34:37,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:34:37,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:34:37,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:34:37,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:34:37,831 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-10 01:34:37,832 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-10 01:34:37,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:34:37,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:34:37,849 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 01:34:37,880 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 01:34:37,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:34:37,909 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:34:37,909 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:34:37,909 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork4_j, N) = -1*thread2Thread1of1ForFork4_j + 1*N Supporting invariants [] [2024-02-10 01:34:37,933 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 01:34:37,934 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:34:37,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:34:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:34:37,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:34:37,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:34:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:34:37,982 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:34:37,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:34:38,008 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 01:34:38,009 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 01:34:38,010 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 01:34:38,203 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 894 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:34:38,204 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:34:38,204 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:34:38,552 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:34:38,552 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:34:38,552 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 01:34:38,554 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 01:34:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 344 transitions. [2024-02-10 01:34:38,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 344 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 01:34:38,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:34:38,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 344 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-10 01:34:38,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:34:38,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 344 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-10 01:34:38,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:34:38,555 INFO L428 stractBuchiCegarLoop]: Abstraction has has 105 places, 37544 transitions, 248040 flow [2024-02-10 01:34:38,555 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:34:38,555 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:34:38,556 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 105 places, 37544 transitions, 248040 flow [2024-02-10 01:34:39,120 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