/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:24:33,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:24:33,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:24:33,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:24:33,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:24:33,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:24:33,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:24:33,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:24:33,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:24:33,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:24:33,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:24:33,329 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:24:33,329 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:24:33,330 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:24:33,330 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:24:33,330 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:24:33,330 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:24:33,330 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:24:33,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:24:33,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:24:33,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:24:33,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:24:33,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:24:33,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:24:33,333 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:24:33,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:24:33,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:24:33,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:24:33,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:24:33,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:24:33,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:24:33,334 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:24:33,334 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:24:33,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:24:33,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:24:33,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:24:33,572 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:24:33,573 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:24:33,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl [2024-02-09 23:24:33,574 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl' [2024-02-09 23:24:33,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:24:33,595 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:24:33,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:33,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:24:33,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:24:33,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,615 INFO L138 Inliner]: procedures = 3, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:24:33,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:33,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:24:33,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:24:33,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:24:33,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:24:33,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:24:33,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:24:33,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:24:33,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/1) ... [2024-02-09 23:24:33,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:33,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:33,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:33,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-02-09 23:24:33,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:24:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:24:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:24:33,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-09 23:24:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-09 23:24:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-09 23:24:33,738 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:24:33,778 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:24:33,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:24:33,867 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:24:33,872 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:24:33,872 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:24:33,874 INFO L201 PluginConnector]: Adding new model max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:33 BoogieIcfgContainer [2024-02-09 23:24:33,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:24:33,875 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:24:33,875 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:24:33,891 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:24:33,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:33,892 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:33" (1/2) ... [2024-02-09 23:24:33,893 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43e747c3 and model type max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:24:33, skipping insertion in model container [2024-02-09 23:24:33,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:33,893 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:33" (2/2) ... [2024-02-09 23:24:33,894 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum4.bpl [2024-02-09 23:24:34,007 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-09 23:24:34,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 140 flow [2024-02-09 23:24:34,072 INFO L124 PetriNetUnfolderBase]: 4/48 cut-off events. [2024-02-09 23:24:34,072 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-09 23:24:34,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 48 events. 4/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 129 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-02-09 23:24:34,077 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 56 transitions, 140 flow [2024-02-09 23:24:34,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 48 transitions, 120 flow [2024-02-09 23:24:34,093 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:24:34,093 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:24:34,093 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:24:34,093 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:24:34,093 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:24:34,093 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:24:34,093 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:24:34,093 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:24:34,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:24:34,732 INFO L131 ngComponentsAnalysis]: Automaton has 877 accepting balls. 7264 [2024-02-09 23:24:34,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:34,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:34,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:34,737 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:34,737 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:24:34,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 8204 states, but on-demand construction may add more states [2024-02-09 23:24:34,959 INFO L131 ngComponentsAnalysis]: Automaton has 877 accepting balls. 7264 [2024-02-09 23:24:34,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:34,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:34,960 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:34,960 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:34,966 INFO L748 eck$LassoCheckResult]: Stem: 64#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 67#[L54]don't care [84] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 69#[$Ultimate##0, L54-1]don't care [46] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork0_x_1 0) InVars {} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 73#[L28, L54-1]don't care [47] L28-->L30: Formula: (= v_sumThread1of1ForFork0_z_1 0) InVars {} OutVars{sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 81#[L30, L54-1]don't care [48] L30-->L31-1: Formula: (= v_sumThread1of1ForFork0_i_1 v_sumThread1of1ForFork0_lo_1) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1} OutVars{sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 97#[L54-1, L31-1]don't care [2024-02-09 23:24:34,973 INFO L750 eck$LassoCheckResult]: Loop: 97#[L54-1, L31-1]don't care [50] L31-1-->L32: Formula: (< v_sumThread1of1ForFork0_i_5 v_sumThread1of1ForFork0_hi_3) InVars {sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_5} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_5} AuxVars[] AssignedVars[] 129#[L32, L54-1]don't care [52] L32-->L33: Formula: (= (+ v_sumThread1of1ForFork0_x_3 (select v_A_1 v_sumThread1of1ForFork0_i_7)) v_sumThread1of1ForFork0_x_4) InVars {A=v_A_1, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} OutVars{A=v_A_1, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 187#[L33, L54-1]don't care [53] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork0_i_9 1) v_sumThread1of1ForFork0_i_10) InVars {sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_9} OutVars{sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 285#[L54-1, L34]don't care [54] L34-->L31-1: Formula: (= (let ((.cse0 (+ (select v_A_2 v_sumThread1of1ForFork0_i_13) v_sumThread1of1ForFork0_z_3))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork0_z_4) InVars {A=v_A_2, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} OutVars{A=v_A_2, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 97#[L54-1, L31-1]don't care [2024-02-09 23:24:34,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash 70888709, now seen corresponding path program 1 times [2024-02-09 23:24:34,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:34,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110582659] [2024-02-09 23:24:34,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:34,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:35,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:35,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:35,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2464740, now seen corresponding path program 1 times [2024-02-09 23:24:35,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:35,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593129100] [2024-02-09 23:24:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:35,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:35,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:35,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash -973527320, now seen corresponding path program 1 times [2024-02-09 23:24:35,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:35,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927750597] [2024-02-09 23:24:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:35,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:35,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:35,322 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:35,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:35,323 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:35,323 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:35,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:35,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:35,323 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:35,323 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:35,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:24:35,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:35,323 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:35,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:35,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:35,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:35,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:35,563 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:35,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:35,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:35,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:35,582 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 [2024-02-09 23:24:35,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:35,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:35,590 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:24:35,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:35,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-02-09 23:24:35,604 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 23:24:35,604 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:24:35,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:35,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:35,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:35,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:35,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:35,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:35,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:35,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:35,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:35,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:35,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-02-09 23:24:35,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:35,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:35,677 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:35,695 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-02-09 23:24:35,695 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-02-09 23:24:35,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:35,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:35,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:35,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:35,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-02-09 23:24:35,790 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:35,790 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:35,791 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_hi, sumThread1of1ForFork0_i) = 1*sumThread1of1ForFork0_hi - 1*sumThread1of1ForFork0_i Supporting invariants [] [2024-02-09 23:24:35,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-09 23:24:35,809 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:35,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:35,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:35,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:35,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:35,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:35,988 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 [2024-02-09 23:24:35,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 8204 states, but on-demand construction may add more states Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-02-09 23:24:36,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:36,446 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 8204 states, but on-demand construction may add more states. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 18863 states and 83179 transitions. Complement of second has 6 states. [2024-02-09 23:24:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:36,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-02-09 23:24:36,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2024-02-09 23:24:36,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 141 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-09 23:24:36,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:36,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 141 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 23:24:36,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:36,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 141 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-09 23:24:36,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:36,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18863 states and 83179 transitions. [2024-02-09 23:24:36,983 INFO L131 ngComponentsAnalysis]: Automaton has 1030 accepting balls. 6640 [2024-02-09 23:24:37,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18863 states to 16230 states and 71908 transitions. [2024-02-09 23:24:37,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8924 [2024-02-09 23:24:37,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12171 [2024-02-09 23:24:37,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16230 states and 71908 transitions. [2024-02-09 23:24:37,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:37,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16230 states and 71908 transitions. [2024-02-09 23:24:37,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16230 states and 71908 transitions. [2024-02-09 23:24:38,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16230 to 12985. [2024-02-09 23:24:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12985 states, 12985 states have (on average 4.478706199460916) internal successors, (58156), 12984 states have internal predecessors, (58156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12985 states to 12985 states and 58156 transitions. [2024-02-09 23:24:38,161 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12985 states and 58156 transitions. [2024-02-09 23:24:38,161 INFO L428 stractBuchiCegarLoop]: Abstraction has 12985 states and 58156 transitions. [2024-02-09 23:24:38,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:24:38,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12985 states and 58156 transitions. [2024-02-09 23:24:38,530 INFO L131 ngComponentsAnalysis]: Automaton has 1030 accepting balls. 6640 [2024-02-09 23:24:38,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:38,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:38,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-02-09 23:24:38,531 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:38,531 INFO L748 eck$LassoCheckResult]: Stem: 58960#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 58772#[L54]don't care [84] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 58546#[$Ultimate##0, L54-1]don't care [87] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 57802#[L55, $Ultimate##0, $Ultimate##0]don't care [64] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork1_x_1 0) InVars {} OutVars{sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 56188#[L55, L28, $Ultimate##0]don't care [65] L28-->L30: Formula: (= v_sumThread1of1ForFork1_z_1 0) InVars {} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 53356#[L55, $Ultimate##0, L30]don't care [66] L30-->L31-1: Formula: (= v_sumThread1of1ForFork1_i_1 v_sumThread1of1ForFork1_lo_1) InVars {sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_1} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_1, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_i] 49824#[L31-1, L55, $Ultimate##0]don't care [2024-02-09 23:24:38,531 INFO L750 eck$LassoCheckResult]: Loop: 49824#[L31-1, L55, $Ultimate##0]don't care [68] L31-1-->L32: Formula: (< v_sumThread1of1ForFork1_i_5 v_sumThread1of1ForFork1_hi_3) InVars {sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_5, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_3} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_5, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_3} AuxVars[] AssignedVars[] 49826#[L55, L32, $Ultimate##0]don't care [70] L32-->L33: Formula: (= (+ (select v_A_1 v_sumThread1of1ForFork1_i_7) v_sumThread1of1ForFork1_x_3) v_sumThread1of1ForFork1_x_4) InVars {A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_3} OutVars{A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 59802#[L55, L33, $Ultimate##0]don't care [71] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork1_i_9 1) v_sumThread1of1ForFork1_i_10) InVars {sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_9} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork1_i] 56600#[L55, L34, $Ultimate##0]don't care [72] L34-->L31-1: Formula: (= v_sumThread1of1ForFork1_z_4 (let ((.cse0 (+ (select v_A_2 v_sumThread1of1ForFork1_i_13) v_sumThread1of1ForFork1_z_3))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_3} OutVars{A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 49824#[L31-1, L55, $Ultimate##0]don't care [2024-02-09 23:24:38,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:38,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2096178956, now seen corresponding path program 1 times [2024-02-09 23:24:38,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:38,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323416219] [2024-02-09 23:24:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:38,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:38,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:38,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:38,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:38,551 INFO L85 PathProgramCache]: Analyzing trace with hash 3018852, now seen corresponding path program 1 times [2024-02-09 23:24:38,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:38,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380278653] [2024-02-09 23:24:38,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:38,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:38,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:38,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:38,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:38,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1030830039, now seen corresponding path program 1 times [2024-02-09 23:24:38,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:38,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798054270] [2024-02-09 23:24:38,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:38,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:38,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:38,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:38,712 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:38,713 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:38,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:38,713 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:38,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:38,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:38,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:38,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:38,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:24:38,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:38,713 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:38,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:38,974 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:38,974 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:38,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:38,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:38,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:39,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-02-09 23:24:39,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:39,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:39,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:39,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:39,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:39,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:39,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:39,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:39,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:39,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:39,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:39,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:39,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:39,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:39,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:39,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:39,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:39,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:39,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:39,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-02-09 23:24:39,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:39,098 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 [2024-02-09 23:24:39,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:39,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:39,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:39,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:39,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:39,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:39,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:39,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:39,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:39,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:39,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:39,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-02-09 23:24:39,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:39,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:39,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:39,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:39,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-02-09 23:24:39,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:39,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:39,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:39,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:39,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:39,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:39,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:39,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:39,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:39,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:39,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:39,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:39,207 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:39,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:39,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:39,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:39,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:39,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:39,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:39,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:39,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-02-09 23:24:39,268 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:39,284 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-09 23:24:39,284 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-09 23:24:39,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:39,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:39,285 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:39,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-02-09 23:24:39,301 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:39,330 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:39,330 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:39,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_hi, sumThread1of1ForFork1_i) = 1*sumThread1of1ForFork1_hi - 1*sumThread1of1ForFork1_i Supporting invariants [] [2024-02-09 23:24:39,333 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 [2024-02-09 23:24:39,334 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:39,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:39,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:39,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:39,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:39,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:39,423 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 [2024-02-09 23:24:39,423 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12985 states and 58156 transitions. cyclomatic complexity: 46452 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:39,617 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 [2024-02-09 23:24:40,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12985 states and 58156 transitions. cyclomatic complexity: 46452. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 32913 states and 159173 transitions. Complement of second has 6 states. [2024-02-09 23:24:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions. [2024-02-09 23:24:40,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 137 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-09 23:24:40,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:40,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 137 transitions. Stem has 10 letters. Loop has 4 letters. [2024-02-09 23:24:40,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:40,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 137 transitions. Stem has 6 letters. Loop has 8 letters. [2024-02-09 23:24:40,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:40,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32913 states and 159173 transitions. [2024-02-09 23:24:40,953 INFO L131 ngComponentsAnalysis]: Automaton has 1083 accepting balls. 5424 [2024-02-09 23:24:41,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32913 states to 27735 states and 134216 transitions. [2024-02-09 23:24:41,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10255 [2024-02-09 23:24:41,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13693 [2024-02-09 23:24:41,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27735 states and 134216 transitions. [2024-02-09 23:24:41,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:41,313 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27735 states and 134216 transitions. [2024-02-09 23:24:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27735 states and 134216 transitions. [2024-02-09 23:24:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27735 to 23518. [2024-02-09 23:24:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23518 states, 23518 states have (on average 4.940130963517306) internal successors, (116182), 23517 states have internal predecessors, (116182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23518 states to 23518 states and 116182 transitions. [2024-02-09 23:24:42,597 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23518 states and 116182 transitions. [2024-02-09 23:24:42,597 INFO L428 stractBuchiCegarLoop]: Abstraction has 23518 states and 116182 transitions. [2024-02-09 23:24:42,597 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:24:42,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23518 states and 116182 transitions. [2024-02-09 23:24:42,777 INFO L131 ngComponentsAnalysis]: Automaton has 1083 accepting balls. 5424 [2024-02-09 23:24:42,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:42,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:42,778 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-09 23:24:42,778 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:42,778 INFO L748 eck$LassoCheckResult]: Stem: 124504#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 124190#[L54]don't care [84] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 123812#[$Ultimate##0, L54-1]don't care [87] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 122436#[L55, $Ultimate##0, $Ultimate##0]don't care [90] L55-->$Ultimate##0: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_ULTIMATE.start_k3_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_8, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_4, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x, sumThread1of1ForFork2_lo, sumThread1of1ForFork2_hi] 107934#[$Ultimate##0, L56, $Ultimate##0, $Ultimate##0]don't care [73] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork2_x_1 0) InVars {} OutVars{sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_x] 102916#[$Ultimate##0, L56, L28, $Ultimate##0]don't care [74] L28-->L30: Formula: (= v_sumThread1of1ForFork2_z_1 0) InVars {} OutVars{sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_z] 102920#[$Ultimate##0, L56, L30, $Ultimate##0]don't care [75] L30-->L31-1: Formula: (= v_sumThread1of1ForFork2_i_1 v_sumThread1of1ForFork2_lo_1) InVars {sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_1} OutVars{sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_1, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_i] 107994#[$Ultimate##0, L56, L31-1, $Ultimate##0]don't care [2024-02-09 23:24:42,778 INFO L750 eck$LassoCheckResult]: Loop: 107994#[$Ultimate##0, L56, L31-1, $Ultimate##0]don't care [77] L31-1-->L32: Formula: (< v_sumThread1of1ForFork2_i_5 v_sumThread1of1ForFork2_hi_3) InVars {sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_5} OutVars{sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_5} AuxVars[] AssignedVars[] 128472#[$Ultimate##0, L56, L32, $Ultimate##0]don't care [79] L32-->L33: Formula: (= v_sumThread1of1ForFork2_x_4 (+ (select v_A_1 v_sumThread1of1ForFork2_i_7) v_sumThread1of1ForFork2_x_3)) InVars {A=v_A_1, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_7} OutVars{A=v_A_1, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_4, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_7} AuxVars[] AssignedVars[sumThread1of1ForFork2_x] 124700#[$Ultimate##0, L56, L33, $Ultimate##0]don't care [80] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork2_i_9 1) v_sumThread1of1ForFork2_i_10) InVars {sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_9} OutVars{sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork2_i] 107990#[$Ultimate##0, L56, L34, $Ultimate##0]don't care [81] L34-->L31-1: Formula: (= v_sumThread1of1ForFork2_z_4 (let ((.cse0 (+ (select v_A_2 v_sumThread1of1ForFork2_i_13) v_sumThread1of1ForFork2_z_3))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_13} OutVars{A=v_A_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_4, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_13} AuxVars[] AssignedVars[sumThread1of1ForFork2_z] 107994#[$Ultimate##0, L56, L31-1, $Ultimate##0]don't care [2024-02-09 23:24:42,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:42,779 INFO L85 PathProgramCache]: Analyzing trace with hash -556255619, now seen corresponding path program 1 times [2024-02-09 23:24:42,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:42,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043803150] [2024-02-09 23:24:42,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:42,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:42,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:42,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:42,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:42,789 INFO L85 PathProgramCache]: Analyzing trace with hash 3295908, now seen corresponding path program 1 times [2024-02-09 23:24:42,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:42,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818087143] [2024-02-09 23:24:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:42,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:42,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:42,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:42,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:42,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1294802144, now seen corresponding path program 1 times [2024-02-09 23:24:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:42,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456448961] [2024-02-09 23:24:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:42,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:42,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:42,948 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:42,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:42,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:42,949 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:42,949 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:42,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:42,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:42,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:42,949 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:24:42,949 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:42,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:42,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:42,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:43,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:43,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:43,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:43,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:43,163 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:43,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:43,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,166 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-02-09 23:24:43,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:43,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:43,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:43,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:43,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:43,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:43,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-02-09 23:24:43,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,252 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-02-09 23:24:43,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:43,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:43,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,280 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-02-09 23:24:43,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:43,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:43,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:43,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,295 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-02-09 23:24:43,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:43,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:43,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-02-09 23:24:43,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,538 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:43,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:43,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-02-09 23:24:43,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,574 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:43,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:43,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-02-09 23:24:43,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,618 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-02-09 23:24:43,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:43,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:43,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,645 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-02-09 23:24:43,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:43,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:43,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:43,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-02-09 23:24:43,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,669 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,695 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:24:43,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,702 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 23:24:43,702 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:24:43,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-02-09 23:24:43,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:43,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,724 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:43,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:43,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:43,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:43,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:43,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-02-09 23:24:43,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:43,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:43,767 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:43,775 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:24:43,775 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero. [2024-02-09 23:24:43,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:43,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:43,777 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:43,781 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:43,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-02-09 23:24:43,808 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:43,808 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:43,809 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork2_i, sumThread1of1ForFork2_hi) = -1*sumThread1of1ForFork2_i + 1*sumThread1of1ForFork2_hi Supporting invariants [] [2024-02-09 23:24:43,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:43,815 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:43,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:43,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:43,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:43,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:43,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:43,874 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 [2024-02-09 23:24:43,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23518 states and 116182 transitions. cyclomatic complexity: 94560 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2024-02-09 23:24:44,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:44,598 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23518 states and 116182 transitions. cyclomatic complexity: 94560. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 61335 states and 317353 transitions. Complement of second has 6 states. [2024-02-09 23:24:44,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2024-02-09 23:24:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions. [2024-02-09 23:24:44,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 137 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-09 23:24:44,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:44,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 137 transitions. Stem has 11 letters. Loop has 4 letters. [2024-02-09 23:24:44,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:44,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 137 transitions. Stem has 7 letters. Loop has 8 letters. [2024-02-09 23:24:44,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:44,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61335 states and 317353 transitions. [2024-02-09 23:24:46,116 INFO L131 ngComponentsAnalysis]: Automaton has 820 accepting balls. 3280 [2024-02-09 23:24:46,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61335 states to 44112 states and 228397 transitions. [2024-02-09 23:24:46,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10904 [2024-02-09 23:24:46,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13772 [2024-02-09 23:24:46,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44112 states and 228397 transitions. [2024-02-09 23:24:46,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:46,916 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44112 states and 228397 transitions. [2024-02-09 23:24:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44112 states and 228397 transitions. [2024-02-09 23:24:47,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44112 to 38704. [2024-02-09 23:24:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38704 states, 38704 states have (on average 5.2579578338156265) internal successors, (203504), 38703 states have internal predecessors, (203504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38704 states to 38704 states and 203504 transitions. [2024-02-09 23:24:48,668 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38704 states and 203504 transitions. [2024-02-09 23:24:48,668 INFO L428 stractBuchiCegarLoop]: Abstraction has 38704 states and 203504 transitions. [2024-02-09 23:24:48,668 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:24:48,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38704 states and 203504 transitions. [2024-02-09 23:24:49,012 INFO L131 ngComponentsAnalysis]: Automaton has 820 accepting balls. 3280 [2024-02-09 23:24:49,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:49,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:49,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-09 23:24:49,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:49,014 INFO L748 eck$LassoCheckResult]: Stem: 234081#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 233689#[L54]don't care [84] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 233167#[$Ultimate##0, L54-1]don't care [87] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 231237#[L55, $Ultimate##0, $Ultimate##0]don't care [90] L55-->$Ultimate##0: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_ULTIMATE.start_k3_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_8, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_4, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x, sumThread1of1ForFork2_lo, sumThread1of1ForFork2_hi] 215289#[$Ultimate##0, L56, $Ultimate##0, $Ultimate##0]don't care [93] L56-->$Ultimate##0: Formula: (and (= v_N_3 v_sumThread1of1ForFork3_hi_6) (= (+ v_ULTIMATE.start_k3_5 1) v_sumThread1of1ForFork3_lo_4) (= v_sumThread1of1ForFork3_thidvar1_2 4) (= v_sumThread1of1ForFork3_thidvar2_2 4) (= v_sumThread1of1ForFork3_thidvar0_2 4) (= v_sumThread1of1ForFork3_thidvar3_2 4)) InVars {N=v_N_3, ULTIMATE.start_k3=v_ULTIMATE.start_k3_5} OutVars{N=v_N_3, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_16, sumThread1of1ForFork3_thidvar0=v_sumThread1of1ForFork3_thidvar0_2, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_8, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_8, ULTIMATE.start_k3=v_ULTIMATE.start_k3_5, sumThread1of1ForFork3_thidvar3=v_sumThread1of1ForFork3_thidvar3_2, sumThread1of1ForFork3_thidvar2=v_sumThread1of1ForFork3_thidvar2_2, sumThread1of1ForFork3_thidvar1=v_sumThread1of1ForFork3_thidvar1_2, sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_4, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_thidvar0, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z, sumThread1of1ForFork3_thidvar3, sumThread1of1ForFork3_thidvar2, sumThread1of1ForFork3_thidvar1, sumThread1of1ForFork3_lo, sumThread1of1ForFork3_hi] 215293#[L57, $Ultimate##0, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [55] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork3_x_1 0) InVars {} OutVars{sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork3_x] 224379#[L57, L28, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [56] L28-->L30: Formula: (= v_sumThread1of1ForFork3_z_1 0) InVars {} OutVars{sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork3_z] 205507#[L30, L57, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [57] L30-->L31-1: Formula: (= v_sumThread1of1ForFork3_i_1 v_sumThread1of1ForFork3_lo_1) InVars {sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_1} OutVars{sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_1, sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_1} AuxVars[] AssignedVars[sumThread1of1ForFork3_i] 205511#[L57, $Ultimate##0, $Ultimate##0, L31-1, $Ultimate##0]don't care [2024-02-09 23:24:49,014 INFO L750 eck$LassoCheckResult]: Loop: 205511#[L57, $Ultimate##0, $Ultimate##0, L31-1, $Ultimate##0]don't care [59] L31-1-->L32: Formula: (< v_sumThread1of1ForFork3_i_5 v_sumThread1of1ForFork3_hi_3) InVars {sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_5, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_3} OutVars{sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_5, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_3} AuxVars[] AssignedVars[] 217697#[L57, $Ultimate##0, $Ultimate##0, $Ultimate##0, L32]don't care [61] L32-->L33: Formula: (= (+ (select v_A_1 v_sumThread1of1ForFork3_i_7) v_sumThread1of1ForFork3_x_3) v_sumThread1of1ForFork3_x_4) InVars {A=v_A_1, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_7, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_3} OutVars{A=v_A_1, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_7, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_4} AuxVars[] AssignedVars[sumThread1of1ForFork3_x] 229901#[L33, L57, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [62] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork3_i_9 1) v_sumThread1of1ForFork3_i_10) InVars {sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_9} OutVars{sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork3_i] 229903#[L34, L57, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [63] L34-->L31-1: Formula: (= v_sumThread1of1ForFork3_z_4 (let ((.cse0 (+ v_sumThread1of1ForFork3_z_3 (select v_A_2 v_sumThread1of1ForFork3_i_13)))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_2, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_13, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_3} OutVars{A=v_A_2, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_13, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_4} AuxVars[] AssignedVars[sumThread1of1ForFork3_z] 205511#[L57, $Ultimate##0, $Ultimate##0, L31-1, $Ultimate##0]don't care [2024-02-09 23:24:49,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:49,014 INFO L85 PathProgramCache]: Analyzing trace with hash -63477976, now seen corresponding path program 1 times [2024-02-09 23:24:49,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:49,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439756090] [2024-02-09 23:24:49,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:49,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:49,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:49,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2741796, now seen corresponding path program 1 times [2024-02-09 23:24:49,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:49,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570093620] [2024-02-09 23:24:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:49,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:49,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:49,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:49,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:49,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1233432117, now seen corresponding path program 1 times [2024-02-09 23:24:49,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:49,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657533516] [2024-02-09 23:24:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:49,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:49,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:49,559 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:49,560 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:49,560 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:49,560 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:49,560 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:49,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:49,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:49,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:49,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration4_Lasso [2024-02-09 23:24:49,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:49,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:49,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:24:49,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:49,930 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:49,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:49,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:49,931 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:49,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:49,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:49,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:49,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:49,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:49,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:49,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:49,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:49,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:49,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-02-09 23:24:49,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:49,948 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:49,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-02-09 23:24:49,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:49,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:49,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:49,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:49,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:49,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:49,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:49,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:49,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:49,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:49,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:49,975 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:49,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-02-09 23:24:49,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:49,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:49,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:49,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:49,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:49,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:49,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:49,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:50,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:50,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:50,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:50,007 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:50,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:50,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-02-09 23:24:50,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:50,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:50,015 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:24:50,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:50,022 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 23:24:50,022 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:24:50,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:50,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:50,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:50,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:50,047 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:50,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:24:50,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:50,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:50,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:50,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:50,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:50,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:50,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-02-09 23:24:50,074 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:50,090 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-02-09 23:24:50,090 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 25 variables to zero. [2024-02-09 23:24:50,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:50,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:50,092 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:24:50,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-02-09 23:24:50,108 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:50,126 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:50,126 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:50,126 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork3_i, sumThread1of1ForFork3_hi) = -1*sumThread1of1ForFork3_i + 1*sumThread1of1ForFork3_hi Supporting invariants [] [2024-02-09 23:24:50,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:50,132 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:50,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:50,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:50,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:50,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:50,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:24:50,192 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 [2024-02-09 23:24:50,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38704 states and 203504 transitions. cyclomatic complexity: 167230 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:50,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:51,658 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38704 states and 203504 transitions. cyclomatic complexity: 167230. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 92271 states and 495015 transitions. Complement of second has 6 states. [2024-02-09 23:24:51,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:24:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:24:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 134 transitions. [2024-02-09 23:24:51,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 134 transitions. Stem has 8 letters. Loop has 4 letters. [2024-02-09 23:24:51,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:51,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 134 transitions. Stem has 12 letters. Loop has 4 letters. [2024-02-09 23:24:51,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:51,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 134 transitions. Stem has 8 letters. Loop has 8 letters. [2024-02-09 23:24:51,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:51,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92271 states and 495015 transitions. [2024-02-09 23:24:53,416 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:53,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92271 states to 0 states and 0 transitions. [2024-02-09 23:24:53,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:24:53,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:24:53,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:24:53,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:24:53,417 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:53,417 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:53,417 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:53,417 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-02-09 23:24:53,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:24:53,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:53,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:24:53,428 INFO L201 PluginConnector]: Adding new model max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:24:53 BoogieIcfgContainer [2024-02-09 23:24:53,429 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:24:53,429 INFO L158 Benchmark]: Toolchain (without parser) took 19834.45ms. Allocated memory was 153.1MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 89.7MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2024-02-09 23:24:53,430 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:24:53,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.68ms. Allocated memory is still 153.1MB. Free memory was 89.7MB in the beginning and 88.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-09 23:24:53,432 INFO L158 Benchmark]: Boogie Preprocessor took 12.41ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 87.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-09 23:24:53,433 INFO L158 Benchmark]: RCFGBuilder took 244.29ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 121.9MB in the end (delta: -34.8MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2024-02-09 23:24:53,433 INFO L158 Benchmark]: BuchiAutomizer took 19554.05ms. Allocated memory was 153.1MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 121.7MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2024-02-09 23:24:53,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.68ms. Allocated memory is still 153.1MB. Free memory was 89.7MB in the beginning and 88.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.41ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 87.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 244.29ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 121.9MB in the end (delta: -34.8MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 19554.05ms. Allocated memory was 153.1MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 121.7MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + hi and consists of 4 locations. One deterministic module has affine ranking function -1 * i + hi and consists of 4 locations. One deterministic module has affine ranking function -1 * i + hi and consists of 4 locations. One deterministic module has affine ranking function -1 * i + hi and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.1s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 3.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 12870 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 6.2s Buchi closure took 0.1s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 410 mSDsluCounter, 682 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 346 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp109 ukn67 mio100 lsp58 div100 bol100 ite100 ukn100 eq172 hnf92 smp100 dnf167 smp64 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 65ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 23:24:53,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...