/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:12:25,957 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:12:26,006 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:12:26,026 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:12:26,026 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:12:26,026 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:12:26,027 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:12:26,028 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:12:26,028 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:12:26,028 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:12:26,029 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:12:26,029 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:12:26,029 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:12:26,030 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:12:26,030 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:12:26,030 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:12:26,030 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:12:26,031 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:12:26,031 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:12:26,031 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:12:26,032 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:12:26,032 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:12:26,032 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:12:26,033 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:12:26,033 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:12:26,033 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:12:26,034 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:12:26,034 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:12:26,034 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:12:26,035 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:12:26,035 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:12:26,035 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:12:26,036 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:12:26,037 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:12:26,037 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:12:26,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:12:26,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:12:26,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:12:26,248 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:12:26,249 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:12:26,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl [2023-10-12 17:12:26,250 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl' [2023-10-12 17:12:26,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:12:26,275 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:12:26,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:26,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:12:26,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:12:26,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,300 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:12:26,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:26,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:12:26,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:12:26,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:12:26,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:12:26,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:12:26,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:12:26,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:12:26,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/1) ... [2023-10-12 17:12:26,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:26,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:26,351 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) [2023-10-12 17:12:26,374 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 [2023-10-12 17:12:26,386 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:12:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:12:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:12:26,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:12:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:12:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:12:26,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:12:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:12:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:12:26,388 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:12:26,440 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:12:26,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:12:26,543 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:12:26,548 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:12:26,548 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:12:26,549 INFO L201 PluginConnector]: Adding new model map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:26 BoogieIcfgContainer [2023-10-12 17:12:26,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:12:26,550 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:12:26,550 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:12:26,557 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:12:26,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:26,558 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:26" (1/2) ... [2023-10-12 17:12:26,562 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26de55c0 and model type map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:12:26, skipping insertion in model container [2023-10-12 17:12:26,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:26,562 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:26" (2/2) ... [2023-10-12 17:12:26,563 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-incr-split.bpl [2023-10-12 17:12:26,613 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:12:26,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 66 flow [2023-10-12 17:12:26,653 INFO L124 PetriNetUnfolderBase]: 2/21 cut-off events. [2023-10-12 17:12:26,654 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:12:26,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2023-10-12 17:12:26,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 66 flow [2023-10-12 17:12:26,663 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 21 transitions, 54 flow [2023-10-12 17:12:26,666 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:12:26,679 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 21 transitions, 54 flow [2023-10-12 17:12:26,682 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 21 transitions, 54 flow [2023-10-12 17:12:26,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 21 transitions, 54 flow [2023-10-12 17:12:26,688 INFO L124 PetriNetUnfolderBase]: 2/21 cut-off events. [2023-10-12 17:12:26,689 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:12:26,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2023-10-12 17:12:26,690 INFO L119 LiptonReduction]: Number of co-enabled transitions 96 [2023-10-12 17:12:26,883 INFO L134 LiptonReduction]: Checked pairs total: 70 [2023-10-12 17:12:26,883 INFO L136 LiptonReduction]: Total number of compositions: 8 [2023-10-12 17:12:26,903 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:12:26,903 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:12:26,903 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:12:26,904 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:12:26,904 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:12:26,904 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:12:26,904 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:12:26,904 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:12:26,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:12:26,947 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2023-10-12 17:12:26,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:26,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:26,952 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:12:26,953 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:26,954 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:12:26,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 19 states, but on-demand construction may add more states [2023-10-12 17:12:26,960 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2023-10-12 17:12:26,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:26,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:26,960 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:12:26,961 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:26,966 INFO L748 eck$LassoCheckResult]: Stem: 31#[$Ultimate##0]don't care [75] $Ultimate##0-->L19: Formula: (and (<= 0 v_k_7) (< v_k_7 (* v_N_11 2)) (= (select v_A_30 v_k_7) v_ULTIMATE.start_x_6)) InVars {A=v_A_30, N=v_N_11, k=v_k_7} OutVars{A=v_A_30, N=v_N_11, k=v_k_7, ULTIMATE.start_x=v_ULTIMATE.start_x_6} AuxVars[] AssignedVars[ULTIMATE.start_x] 34#[L19]don't care [64] L19-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 36#[L19-1, $Ultimate##0]don't care [50] $Ultimate##0-->L33-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 38#[L19-1, L33-1]don't care [2023-10-12 17:12:26,966 INFO L750 eck$LassoCheckResult]: Loop: 38#[L19-1, L33-1]don't care [76] L33-1-->L33-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_26 v_N_13) (= v_A_32 (store v_A_33 v_thread1Thread1of1ForFork0_i_26 (+ (select v_A_33 v_thread1Thread1of1ForFork0_i_26) 1))) (= v_thread1Thread1of1ForFork0_i_25 (+ v_thread1Thread1of1ForFork0_i_26 1))) InVars {A=v_A_33, N=v_N_13, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_26} OutVars{A=v_A_32, N=v_N_13, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_25} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 38#[L19-1, L33-1]don't care [2023-10-12 17:12:26,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,972 INFO L85 PathProgramCache]: Analyzing trace with hash 103900, now seen corresponding path program 1 times [2023-10-12 17:12:26,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:26,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489606289] [2023-10-12 17:12:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:26,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,093 INFO L85 PathProgramCache]: Analyzing trace with hash 107, now seen corresponding path program 1 times [2023-10-12 17:12:27,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:27,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173570935] [2023-10-12 17:12:27,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:27,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,107 INFO L85 PathProgramCache]: Analyzing trace with hash 3220976, now seen corresponding path program 1 times [2023-10-12 17:12:27,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:27,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977028467] [2023-10-12 17:12:27,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:27,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,206 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:27,206 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:27,206 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:27,207 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:27,207 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:27,207 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,207 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:27,207 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:27,207 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-split.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:12:27,207 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:27,207 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:27,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:27,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:27,302 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:27,305 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:27,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:27,313 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) [2023-10-12 17:12:27,321 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 [2023-10-12 17:12:27,323 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 [2023-10-12 17:12:27,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:27,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:27,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:27,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:27,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:27,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:27,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:27,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:27,359 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 [2023-10-12 17:12:27,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:27,421 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) [2023-10-12 17:12:27,422 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 [2023-10-12 17:12:27,424 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 [2023-10-12 17:12:27,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:27,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:27,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:27,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:27,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:27,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:27,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:27,464 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 [2023-10-12 17:12:27,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:27,466 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) [2023-10-12 17:12:27,467 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 [2023-10-12 17:12:27,469 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 [2023-10-12 17:12:27,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:27,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:27,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:27,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:27,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:27,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:27,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:27,535 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:12:27,535 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:12:27,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:27,539 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) [2023-10-12 17:12:27,539 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 [2023-10-12 17:12:27,569 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:27,577 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:27,577 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:27,578 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2023-10-12 17:12:27,582 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 [2023-10-12 17:12:27,585 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:27,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:27,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:27,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:27,638 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:27,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:12:27,664 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:12:27,666 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-10-12 17:12:27,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 45 states and 101 transitions. Complement of second has 4 states. [2023-10-12 17:12:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:12:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-10-12 17:12:27,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2023-10-12 17:12:27,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:12:27,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:27,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:12:27,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:27,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:12:27,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:27,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 101 transitions. [2023-10-12 17:12:27,763 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2023-10-12 17:12:27,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 23 states and 53 transitions. [2023-10-12 17:12:27,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-10-12 17:12:27,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-10-12 17:12:27,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 53 transitions. [2023-10-12 17:12:27,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:27,779 INFO L219 hiAutomatonCegarLoop]: Abstraction has 23 states and 53 transitions. [2023-10-12 17:12:27,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 53 transitions. [2023-10-12 17:12:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2023-10-12 17:12:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 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) [2023-10-12 17:12:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 47 transitions. [2023-10-12 17:12:27,802 INFO L241 hiAutomatonCegarLoop]: Abstraction has 20 states and 47 transitions. [2023-10-12 17:12:27,802 INFO L430 stractBuchiCegarLoop]: Abstraction has 20 states and 47 transitions. [2023-10-12 17:12:27,802 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:12:27,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 47 transitions. [2023-10-12 17:12:27,803 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2023-10-12 17:12:27,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:27,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:27,804 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:12:27,804 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:27,804 INFO L748 eck$LassoCheckResult]: Stem: 181#[$Ultimate##0]don't care [75] $Ultimate##0-->L19: Formula: (and (<= 0 v_k_7) (< v_k_7 (* v_N_11 2)) (= (select v_A_30 v_k_7) v_ULTIMATE.start_x_6)) InVars {A=v_A_30, N=v_N_11, k=v_k_7} OutVars{A=v_A_30, N=v_N_11, k=v_k_7, ULTIMATE.start_x=v_ULTIMATE.start_x_6} AuxVars[] AssignedVars[ULTIMATE.start_x] 183#[L19]don't care [64] L19-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 175#[L19-1, $Ultimate##0]don't care [67] L19-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_14, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 169#[$Ultimate##0, L20, $Ultimate##0]don't care [56] $Ultimate##0-->L45-1: Formula: (= v_N_4 v_thread2Thread1of1ForFork1_i_1) InVars {N=v_N_4} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_1, N=v_N_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 173#[L20, L45-1, $Ultimate##0]don't care [2023-10-12 17:12:27,805 INFO L750 eck$LassoCheckResult]: Loop: 173#[L20, L45-1, $Ultimate##0]don't care [77] L45-1-->L45-1: Formula: (and (= v_thread2Thread1of1ForFork1_i_25 (+ v_thread2Thread1of1ForFork1_i_26 1)) (= v_A_36 (store v_A_37 v_thread2Thread1of1ForFork1_i_26 (+ (select v_A_37 v_thread2Thread1of1ForFork1_i_26) 1))) (< v_thread2Thread1of1ForFork1_i_26 (* v_N_15 2))) InVars {A=v_A_37, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_26, N=v_N_15} OutVars{A=v_A_36, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_25, N=v_N_15} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 173#[L20, L45-1, $Ultimate##0]don't care [2023-10-12 17:12:27,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,807 INFO L85 PathProgramCache]: Analyzing trace with hash 3221483, now seen corresponding path program 1 times [2023-10-12 17:12:27,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:27,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734185429] [2023-10-12 17:12:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash 108, now seen corresponding path program 1 times [2023-10-12 17:12:27,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:27,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884207751] [2023-10-12 17:12:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:27,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,857 INFO L85 PathProgramCache]: Analyzing trace with hash 99866050, now seen corresponding path program 1 times [2023-10-12 17:12:27,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:27,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258761780] [2023-10-12 17:12:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:27,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,984 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:27,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:27,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:27,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:27,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:27,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:27,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:27,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-split.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:12:27,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:27,985 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:27,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:27,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:28,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:28,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:28,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:28,086 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:28,086 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:28,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:28,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:28,089 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) [2023-10-12 17:12:28,100 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 [2023-10-12 17:12:28,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:28,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:28,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:28,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:28,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:28,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:28,116 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 [2023-10-12 17:12:28,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:28,138 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 [2023-10-12 17:12:28,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:28,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:28,140 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) [2023-10-12 17:12:28,142 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 [2023-10-12 17:12:28,143 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 [2023-10-12 17:12:28,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:28,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:28,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:28,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:28,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:28,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:28,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:28,188 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:12:28,188 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:12:28,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:28,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:28,195 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) [2023-10-12 17:12:28,196 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 [2023-10-12 17:12:28,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:28,215 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:28,215 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:28,215 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_i, N) = -1*thread2Thread1of1ForFork1_i + 2*N Supporting invariants [] [2023-10-12 17:12:28,221 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 [2023-10-12 17:12:28,222 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:28,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:28,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:28,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:28,258 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:28,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:12:28,260 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:12:28,260 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 47 transitions. cyclomatic complexity: 34 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-10-12 17:12:28,287 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 47 transitions. cyclomatic complexity: 34. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 36 states and 81 transitions. Complement of second has 4 states. [2023-10-12 17:12:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:12:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-10-12 17:12:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2023-10-12 17:12:28,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:12:28,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:28,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:12:28,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:28,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:12:28,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:28,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 81 transitions. [2023-10-12 17:12:28,298 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:28,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2023-10-12 17:12:28,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:12:28,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:12:28,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:12:28,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:12:28,300 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:28,300 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:28,300 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:28,300 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:12:28,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:12:28,301 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:28,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:12:28,307 INFO L201 PluginConnector]: Adding new model map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:12:28 BoogieIcfgContainer [2023-10-12 17:12:28,307 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:12:28,312 INFO L158 Benchmark]: Toolchain (without parser) took 2033.38ms. Allocated memory is still 177.2MB. Free memory was 131.3MB in the beginning and 89.5MB in the end (delta: 41.8MB). Peak memory consumption was 41.7MB. Max. memory is 8.0GB. [2023-10-12 17:12:28,312 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 177.2MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:12:28,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.10ms. Allocated memory is still 177.2MB. Free memory was 131.2MB in the beginning and 129.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:12:28,314 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 177.2MB. Free memory was 129.5MB in the beginning and 128.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:28,314 INFO L158 Benchmark]: RCFGBuilder took 226.42ms. Allocated memory is still 177.2MB. Free memory was 128.4MB in the beginning and 118.6MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:12:28,315 INFO L158 Benchmark]: BuchiAutomizer took 1757.40ms. Allocated memory is still 177.2MB. Free memory was 118.6MB in the beginning and 89.5MB in the end (delta: 29.2MB). Peak memory consumption was 29.1MB. Max. memory is 8.0GB. [2023-10-12 17:12:28,320 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 0.28ms. Allocated memory is still 177.2MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.10ms. Allocated memory is still 177.2MB. Free memory was 131.2MB in the beginning and 129.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 177.2MB. Free memory was 129.5MB in the beginning and 128.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 226.42ms. Allocated memory is still 177.2MB. Free memory was 128.4MB in the beginning and 118.6MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1757.40ms. Allocated memory is still 177.2MB. Free memory was 118.6MB in the beginning and 89.5MB in the end (delta: 29.2MB). Peak memory consumption was 29.1MB. 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 + N and consists of 3 locations. One deterministic module has affine ranking function 2 * N + -1 * i and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax100 hnf100 lsp86 ukn67 mio100 lsp87 div100 bol100 ite100 ukn100 eq145 hnf93 smp100 dnf100 smp100 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 101ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 26 PlacesBefore, 18 PlacesAfterwards, 21 TransitionsBefore, 13 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 70 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:12:28,347 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 [2023-10-12 17:12:28,543 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 [2023-10-12 17:12:28,744 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...