/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-tailsum2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:24:28,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:24:28,894 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 23:24:28,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:24:28,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:24:28,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:24:28,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:24:28,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:24:28,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:24:28,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:24:28,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:24:28,938 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:24:28,938 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:24:28,938 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:24:28,938 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:24:28,938 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:24:28,938 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:24:28,939 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:24:28,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:24:28,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:24:28,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:24:28,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:24:28,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:24:28,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:24:28,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:24:28,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:24:28,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:24:28,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:24:28,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:24:28,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:24:28,943 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:24:28,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:24:28,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:24:28,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:24:28,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:24:28,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:24:28,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:24:28,944 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:24:28,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:24:29,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:24:29,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:24:29,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:24:29,191 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:24:29,192 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:24:29,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum2.bpl [2024-02-09 23:24:29,193 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum2.bpl' [2024-02-09 23:24:29,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:24:29,220 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:24:29,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:29,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:24:29,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:24:29,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,239 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:24:29,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:29,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:24:29,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:24:29,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:24:29,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:24:29,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:24:29,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:24:29,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:24:29,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/1) ... [2024-02-09 23:24:29,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:29,277 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 23:24:29,295 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 23:24:29,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:24:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:24:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:24:29,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-09 23:24:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-09 23:24:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-09 23:24:29,316 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 23:24:29,357 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:24:29,359 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:24:29,442 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:24:29,447 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:24:29,448 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:24:29,449 INFO L201 PluginConnector]: Adding new model max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:29 BoogieIcfgContainer [2024-02-09 23:24:29,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:24:29,450 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:24:29,450 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:24:29,467 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:24:29,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:29,468 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:29" (1/2) ... [2024-02-09 23:24:29,469 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20f432df and model type max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:24:29, skipping insertion in model container [2024-02-09 23:24:29,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:29,469 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:29" (2/2) ... [2024-02-09 23:24:29,471 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum2.bpl [2024-02-09 23:24:29,550 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:24:29,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 30 transitions, 74 flow [2024-02-09 23:24:29,591 INFO L124 PetriNetUnfolderBase]: 2/26 cut-off events. [2024-02-09 23:24:29,591 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:24:29,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 26 events. 2/26 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2024-02-09 23:24:29,595 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 30 transitions, 74 flow [2024-02-09 23:24:29,598 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 26 transitions, 64 flow [2024-02-09 23:24:29,607 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:24:29,608 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:24:29,608 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:24:29,608 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:24:29,608 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:24:29,608 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:24:29,608 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:24:29,608 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:24:29,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:24:29,645 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 64 [2024-02-09 23:24:29,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:29,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:29,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:29,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:29,649 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:24:29,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 104 states, but on-demand construction may add more states [2024-02-09 23:24:29,655 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 64 [2024-02-09 23:24:29,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:29,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:29,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:24:29,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:29,659 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]don't care [34] $Ultimate##0-->L54: Formula: (and (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k1_1 v_N_1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 39#[L54]don't care [58] L54-->$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] 41#[L54-1, $Ultimate##0]don't care [38] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork0_x_1 0) InVars {} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 43#[L28, L54-1]don't care [39] L28-->L30: Formula: (= v_sumThread1of1ForFork0_z_1 0) InVars {} OutVars{sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 47#[L30, L54-1]don't care [40] L30-->L31-1: Formula: (= v_sumThread1of1ForFork0_i_1 v_sumThread1of1ForFork0_lo_1) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1} OutVars{sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 53#[L54-1, L31-1]don't care [2024-02-09 23:24:29,660 INFO L750 eck$LassoCheckResult]: Loop: 53#[L54-1, L31-1]don't care [42] 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[] 63#[L32, L54-1]don't care [44] L32-->L33: Formula: (= v_sumThread1of1ForFork0_x_4 (+ (select v_A_2 v_sumThread1of1ForFork0_i_7) v_sumThread1of1ForFork0_x_3)) InVars {A=v_A_2, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} OutVars{A=v_A_2, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 77#[L33, L54-1]don't care [45] 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] 95#[L34, L54-1]don't care [46] L34-->L31-1: Formula: (= v_sumThread1of1ForFork0_z_4 (let ((.cse0 (+ (select v_A_1 v_sumThread1of1ForFork0_i_13) v_sumThread1of1ForFork0_z_3))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_1, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} OutVars{A=v_A_1, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 53#[L54-1, L31-1]don't care [2024-02-09 23:24:29,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:29,666 INFO L85 PathProgramCache]: Analyzing trace with hash 61794510, now seen corresponding path program 1 times [2024-02-09 23:24:29,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:29,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025213922] [2024-02-09 23:24:29,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:29,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:29,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:29,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:29,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:29,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2218468, now seen corresponding path program 1 times [2024-02-09 23:24:29,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:29,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570730972] [2024-02-09 23:24:29,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:29,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:29,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:29,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:29,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:29,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1298502705, now seen corresponding path program 1 times [2024-02-09 23:24:29,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:29,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582409335] [2024-02-09 23:24:29,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:29,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:29,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:30,025 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:30,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:30,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:30,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:30,026 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:30,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:30,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:30,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:30,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum2.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:24:30,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:30,026 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:30,042 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 23:24:30,052 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 23:24:30,112 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 23:24:30,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:30,228 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:30,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:30,232 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 23:24:30,239 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 23:24:30,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:30,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:30,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:30,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:30,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:30,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:30,259 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 23:24:30,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:30,272 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 23:24:30,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:30,275 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 23:24:30,278 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 23:24:30,279 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 23:24:30,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:30,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:30,286 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:24:30,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:30,318 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 23:24:30,318 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:24:30,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:30,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:30,348 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 23:24:30,351 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 23:24:30,352 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 23:24:30,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:30,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:30,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:30,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:30,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:30,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:30,379 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:30,389 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-09 23:24:30,389 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-02-09 23:24:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:30,428 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 23:24:30,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:30,443 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 23:24:30,453 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:30,453 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:30,453 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 23:24:30,479 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 23:24:30,481 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:30,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:30,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:30,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:30,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:30,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:30,591 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 23:24:30,617 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 23:24:30,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 104 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 23:24:30,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 104 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 233 states and 515 transitions. Complement of second has 6 states. [2024-02-09 23:24:30,703 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 23:24:30,707 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 23:24:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 59 transitions. [2024-02-09 23:24:30,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 59 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-09 23:24:30,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:30,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 59 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 23:24:30,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:30,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 59 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-09 23:24:30,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:30,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 233 states and 515 transitions. [2024-02-09 23:24:30,728 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 40 [2024-02-09 23:24:30,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 233 states to 156 states and 349 transitions. [2024-02-09 23:24:30,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2024-02-09 23:24:30,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 117 [2024-02-09 23:24:30,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 349 transitions. [2024-02-09 23:24:30,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:24:30,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 156 states and 349 transitions. [2024-02-09 23:24:30,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 349 transitions. [2024-02-09 23:24:30,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2024-02-09 23:24:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 2.236220472440945) internal successors, (284), 126 states have internal predecessors, (284), 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 23:24:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 284 transitions. [2024-02-09 23:24:30,783 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 284 transitions. [2024-02-09 23:24:30,783 INFO L428 stractBuchiCegarLoop]: Abstraction has 127 states and 284 transitions. [2024-02-09 23:24:30,783 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:24:30,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 284 transitions. [2024-02-09 23:24:30,784 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 40 [2024-02-09 23:24:30,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:30,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:30,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-02-09 23:24:30,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 23:24:30,785 INFO L748 eck$LassoCheckResult]: Stem: 712#[$Ultimate##0]don't care [34] $Ultimate##0-->L54: Formula: (and (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k1_1 v_N_1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 540#[L54]don't care [58] L54-->$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] 542#[L54-1, $Ultimate##0]don't care [61] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2) (= v_N_3 v_sumThread1of1ForFork1_hi_6)) InVars {N=v_N_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{N=v_N_3, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, 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] 728#[$Ultimate##0, L55, $Ultimate##0]don't care [47] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork1_x_1 0) InVars {} OutVars{sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 730#[L28, L55, $Ultimate##0]don't care [48] L28-->L30: Formula: (= v_sumThread1of1ForFork1_z_1 0) InVars {} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 766#[L30, L55, $Ultimate##0]don't care [49] 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] 530#[L55, $Ultimate##0, L31-1]don't care [2024-02-09 23:24:30,785 INFO L750 eck$LassoCheckResult]: Loop: 530#[L55, $Ultimate##0, L31-1]don't care [51] 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[] 532#[L55, $Ultimate##0, L32]don't care [53] L32-->L33: Formula: (= (+ v_sumThread1of1ForFork1_x_3 (select v_A_2 v_sumThread1of1ForFork1_i_7)) v_sumThread1of1ForFork1_x_4) InVars {A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_3} OutVars{A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 612#[L33, L55, $Ultimate##0]don't care [54] 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] 620#[L55, $Ultimate##0, L34]don't care [55] L34-->L31-1: Formula: (= v_sumThread1of1ForFork1_z_4 (let ((.cse0 (+ v_sumThread1of1ForFork1_z_3 (select v_A_1 v_sumThread1of1ForFork1_i_13)))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_3} OutVars{A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 530#[L55, $Ultimate##0, L31-1]don't care [2024-02-09 23:24:30,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:30,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1916322988, now seen corresponding path program 1 times [2024-02-09 23:24:30,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:30,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25799775] [2024-02-09 23:24:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:30,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:30,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:30,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:30,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2495524, now seen corresponding path program 1 times [2024-02-09 23:24:30,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:30,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886530664] [2024-02-09 23:24:30,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:30,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:30,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:30,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:30,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:30,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1774619471, now seen corresponding path program 1 times [2024-02-09 23:24:30,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:30,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595568646] [2024-02-09 23:24:30,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:30,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:30,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:30,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:30,963 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:30,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:30,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:30,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:30,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:30,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:30,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:30,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:30,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum2.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:24:30,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:30,964 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:30,967 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 23:24:30,970 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 23:24:30,972 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 23:24:30,976 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 23:24:30,978 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 23:24:30,980 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 23:24:31,004 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 23:24:31,008 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 23:24:31,011 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 23:24:31,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:31,164 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:31,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,181 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 23:24:31,193 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 23:24:31,196 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 23:24:31,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:31,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:31,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:31,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,249 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 23:24:31,250 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 23:24:31,251 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 23:24:31,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:31,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:31,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,278 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 23:24:31,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,280 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 23:24:31,280 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 23:24:31,306 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 23:24:31,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:31,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:31,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:31,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,348 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 23:24:31,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,349 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 23:24:31,354 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 23:24:31,372 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 23:24:31,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:31,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:31,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:31,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:31,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,400 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 23:24:31,403 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 23:24:31,403 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 23:24:31,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:31,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:31,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:31,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,429 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 23:24:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,434 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 23:24:31,436 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 23:24:31,437 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 23:24:31,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:31,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:31,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,475 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 23:24:31,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,478 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 23:24:31,481 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 23:24:31,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:31,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:31,493 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 23:24:31,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,536 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 23:24:31,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,538 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 23:24:31,543 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 23:24:31,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,551 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:24:31,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,563 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 23:24:31,563 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:24:31,568 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 23:24:31,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:31,597 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 23:24:31,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,598 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 23:24:31,599 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 23:24:31,610 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 23:24:31,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:31,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:31,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:31,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:31,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:31,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:31,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:31,658 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-09 23:24:31,658 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-02-09 23:24:31,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:31,660 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 23:24:31,663 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 23:24:31,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:31,684 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:31,685 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:31,685 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_i, sumThread1of1ForFork1_hi) = -1*sumThread1of1ForFork1_i + 1*sumThread1of1ForFork1_hi Supporting invariants [] [2024-02-09 23:24:31,688 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 23:24:31,689 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:24:31,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:31,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:31,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:31,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:31,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:31,757 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 23:24:31,757 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 23:24:31,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 127 states and 284 transitions. cyclomatic complexity: 172 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 23:24:31,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 127 states and 284 transitions. cyclomatic complexity: 172. 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 280 states and 667 transitions. Complement of second has 6 states. [2024-02-09 23:24:31,794 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 23:24:31,794 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 23:24:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2024-02-09 23:24:31,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-09 23:24:31,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:31,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2024-02-09 23:24:31,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:31,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2024-02-09 23:24:31,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:24:31,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 280 states and 667 transitions. [2024-02-09 23:24:31,799 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:31,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 280 states to 0 states and 0 transitions. [2024-02-09 23:24:31,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:24:31,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:24:31,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:24:31,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:24:31,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:31,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:31,799 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:24:31,800 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:24:31,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:24:31,800 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:24:31,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:24:31,815 INFO L201 PluginConnector]: Adding new model max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:24:31 BoogieIcfgContainer [2024-02-09 23:24:31,815 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:24:31,816 INFO L158 Benchmark]: Toolchain (without parser) took 2596.08ms. Allocated memory was 192.9MB in the beginning and 261.1MB in the end (delta: 68.2MB). Free memory was 165.2MB in the beginning and 182.5MB in the end (delta: -17.3MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2024-02-09 23:24:31,816 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:24:31,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.75ms. Allocated memory is still 192.9MB. Free memory was 165.0MB in the beginning and 163.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-09 23:24:31,817 INFO L158 Benchmark]: Boogie Preprocessor took 12.01ms. Allocated memory is still 192.9MB. Free memory was 163.5MB in the beginning and 162.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:24:31,817 INFO L158 Benchmark]: RCFGBuilder took 195.81ms. Allocated memory is still 192.9MB. Free memory was 162.4MB in the beginning and 153.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-09 23:24:31,817 INFO L158 Benchmark]: BuchiAutomizer took 2365.51ms. Allocated memory was 192.9MB in the beginning and 261.1MB in the end (delta: 68.2MB). Free memory was 153.1MB in the beginning and 182.5MB in the end (delta: -29.4MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2024-02-09 23:24:31,819 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 0.11ms. Allocated memory is still 192.9MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.75ms. Allocated memory is still 192.9MB. Free memory was 165.0MB in the beginning and 163.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.01ms. Allocated memory is still 192.9MB. Free memory was 163.5MB in the beginning and 162.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 195.81ms. Allocated memory is still 192.9MB. Free memory was 162.4MB in the beginning and 153.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 2365.51ms. Allocated memory was 192.9MB in the beginning and 261.1MB in the end (delta: 68.2MB). Free memory was 153.1MB in the beginning and 182.5MB in the end (delta: -29.4MB). Peak memory consumption was 39.8MB. 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 2 terminating modules (0 trivial, 2 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. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 29 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 66 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital77 mio100 ax100 hnf100 lsp121 ukn63 mio100 lsp56 div100 bol100 ite100 ukn100 eq172 hnf94 smp100 dnf203 smp56 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 23:24:31,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-09 23:24:32,038 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...