/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_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:22:34,088 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:22:34,150 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 17:22:34,201 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:22:34,202 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:22:34,202 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:22:34,203 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:22:34,203 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:22:34,203 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:22:34,206 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:22:34,206 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:22:34,206 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:22:34,207 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:22:34,207 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:22:34,208 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:22:34,208 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:22:34,208 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:22:34,208 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:22:34,208 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:22:34,209 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:22:34,209 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:22:34,210 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:22:34,211 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:22:34,212 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:22:34,212 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:22:34,212 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:22:34,213 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:22:34,214 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:22:34,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:22:34,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:22:34,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:22:34,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:22:34,394 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:22:34,395 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:22:34,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl [2023-10-12 17:22:34,396 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl' [2023-10-12 17:22:34,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:22:34,414 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:22:34,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:22:34,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:22:34,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:22:34,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,433 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:22:34,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:22:34,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:22:34,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:22:34,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:22:34,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:22:34,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:22:34,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:22:34,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:22:34,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/1) ... [2023-10-12 17:22:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:34,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:34,498 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 17:22:34,507 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 17:22:34,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:22:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:22:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:22:34,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:22:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:22:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:22:34,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:22:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:22:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:22:34,528 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 17:22:34,566 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:22:34,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:22:34,685 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:22:34,766 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:22:34,767 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-10-12 17:22:34,767 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2023-10-12 17:22:34,769 INFO L201 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:22:34 BoogieIcfgContainer [2023-10-12 17:22:34,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:22:34,771 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:22:34,771 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:22:34,774 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:22:34,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:22:34,775 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:34" (1/2) ... [2023-10-12 17:22:34,777 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@649eebb4 and model type unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:22:34, skipping insertion in model container [2023-10-12 17:22:34,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:22:34,777 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:22:34" (2/2) ... [2023-10-12 17:22:34,788 INFO L332 chiAutomizerObserver]: Analyzing ICFG unroll-cond-5.wvr.bpl [2023-10-12 17:22:34,848 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:22:34,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 18 transitions, 52 flow [2023-10-12 17:22:34,879 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2023-10-12 17:22:34,879 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:22:34,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 14 events. 2/14 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2023-10-12 17:22:34,886 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 18 transitions, 52 flow [2023-10-12 17:22:34,891 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 14 transitions, 40 flow [2023-10-12 17:22:34,894 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:22:34,915 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 19 places, 14 transitions, 40 flow [2023-10-12 17:22:34,921 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 14 transitions, 40 flow [2023-10-12 17:22:34,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 14 transitions, 40 flow [2023-10-12 17:22:34,925 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2023-10-12 17:22:34,925 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:22:34,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 14 events. 2/14 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2023-10-12 17:22:34,926 INFO L119 LiptonReduction]: Number of co-enabled transitions 22 [2023-10-12 17:22:35,022 INFO L134 LiptonReduction]: Checked pairs total: 22 [2023-10-12 17:22:35,022 INFO L136 LiptonReduction]: Total number of compositions: 4 [2023-10-12 17:22:35,030 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:22:35,030 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:22:35,031 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:22:35,031 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:22:35,031 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:22:35,031 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:22:35,031 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:22:35,031 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:22:35,032 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:22:35,036 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:35,036 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:22:35,037 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:22:35,037 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:35,040 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:22:35,042 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:22:35,045 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:35,045 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:22:35,045 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:22:35,045 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:35,049 INFO L748 eck$LassoCheckResult]: Stem: 25#[$Ultimate##0]true [71] $Ultimate##0-->L64: Formula: (and (= v_i1_5 v_x2_19) (= v_i1_5 0) (= v_i1_5 v_i2_25) (= v_i1_5 v_x1_3)) InVars {i1=v_i1_5, i2=v_i2_25, x1=v_x1_3, x2=v_x2_19} OutVars{i1=v_i1_5, i2=v_i2_25, x1=v_x1_3, x2=v_x2_19} AuxVars[] AssignedVars[] 27#[L64]true [83] L64-->L20: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 29#[L64-1, L20]true [2023-10-12 17:22:35,050 INFO L750 eck$LassoCheckResult]: Loop: 29#[L64-1, L20]true [77] L20-->L20: Formula: (and (= (+ v_i1_11 1) v_i1_10) (= (select v_f_41 v_x1_10) v_x1_9) (< v_i1_11 v_n_33)) InVars {i1=v_i1_11, x1=v_x1_10, n=v_n_33, f=v_f_41} OutVars{i1=v_i1_10, x1=v_x1_9, n=v_n_33, f=v_f_41} AuxVars[] AssignedVars[i1, x1] 29#[L64-1, L20]true [2023-10-12 17:22:35,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:35,053 INFO L85 PathProgramCache]: Analyzing trace with hash 3245, now seen corresponding path program 1 times [2023-10-12 17:22:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:35,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556551852] [2023-10-12 17:22:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:35,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:35,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:35,179 INFO L85 PathProgramCache]: Analyzing trace with hash 108, now seen corresponding path program 1 times [2023-10-12 17:22:35,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:35,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397700580] [2023-10-12 17:22:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:35,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:35,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:35,197 INFO L85 PathProgramCache]: Analyzing trace with hash 100672, now seen corresponding path program 1 times [2023-10-12 17:22:35,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:35,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895911768] [2023-10-12 17:22:35,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:35,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:35,282 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:35,283 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:35,283 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:35,283 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:35,283 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:22:35,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:35,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:35,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: unroll-cond-5.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:22:35,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:35,284 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:35,296 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 17:22:35,304 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 17:22:35,306 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 17:22:35,317 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 17:22:35,320 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 17:22:35,385 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:35,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:22:35,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:35,407 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 17:22:35,415 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 17:22:35,444 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 17:22:35,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:35,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:35,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:35,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:35,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:35,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:35,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:35,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:22:35,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:35,484 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 17:22:35,486 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 17:22:35,487 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 17:22:35,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:35,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:35,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:35,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:35,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:35,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:35,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:35,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-10-12 17:22:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:35,509 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 17:22:35,511 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 17:22:35,512 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 17:22:35,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:35,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:35,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:35,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:35,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:35,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:35,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:35,542 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 17:22:35,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:35,544 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 17:22:35,548 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 17:22:35,550 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 17:22:35,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:35,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:35,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:35,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:35,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:35,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:35,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:35,589 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 17:22:35,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:35,716 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 17:22:35,718 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 17:22:35,720 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 17:22:35,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:35,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:35,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:35,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:35,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:35,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:35,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:22:35,770 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:22:35,771 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:22:35,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:35,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:35,793 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 17:22:35,810 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:22:35,814 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 17:22:35,818 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:22:35,819 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:22:35,819 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, n) = -1*i1 + 1*n Supporting invariants [] [2023-10-12 17:22:35,825 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 17:22:35,827 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:22:35,842 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:35,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:22:35,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:35,864 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:22:35,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:35,865 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 17:22:35,887 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 17:22:35,888 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 17:22:35,936 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 5 states and 124 transitions. [2023-10-12 17:22:35,937 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:22:35,939 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:22:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:22:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 17:22:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2023-10-12 17:22:35,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:22:35,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:35,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:22:35,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:35,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:22:35,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:35,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:22:35,969 INFO L124 PetriNetUnfolderBase]: 31/63 cut-off events. [2023-10-12 17:22:35,969 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-10-12 17:22:35,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 63 events. 31/63 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 148 event pairs, 1 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 96. Up to 21 conditions per place. [2023-10-12 17:22:35,971 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:22:35,976 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 26 places, 124 transitions, 640 flow [2023-10-12 17:22:35,976 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 124 transitions, 640 flow [2023-10-12 17:22:35,976 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:22:35,976 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:22:35,986 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:35,986 INFO L124 PetriNetUnfolderBase]: 15/26 cut-off events. [2023-10-12 17:22:35,986 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:22:35,986 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:35,987 INFO L748 eck$LassoCheckResult]: Stem: 25#[$Ultimate##0]true [71] $Ultimate##0-->L64: Formula: (and (= v_i1_5 v_x2_19) (= v_i1_5 0) (= v_i1_5 v_i2_25) (= v_i1_5 v_x1_3)) InVars {i1=v_i1_5, i2=v_i2_25, x1=v_x1_3, x2=v_x2_19} OutVars{i1=v_i1_5, i2=v_i2_25, x1=v_x1_3, x2=v_x2_19} AuxVars[] AssignedVars[] 27#[L64]true [83] L64-->L20: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 29#[L64-1, L20]true [86] L64-1-->L33: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 74#[L33, L20, L65]true [2023-10-12 17:22:35,987 INFO L750 eck$LassoCheckResult]: Loop: 74#[L33, L20, L65]true [78] L33-->L33: Formula: (and (= v_x2_97 (select v_f_47 (select v_f_47 (select v_f_47 (select v_f_47 (select v_f_47 v_x2_98)))))) (< (+ v_i2_102 4) v_n_37) (= (+ 5 v_i2_102) v_i2_100)) InVars {i2=v_i2_102, n=v_n_37, f=v_f_47, x2=v_x2_98} OutVars{i2=v_i2_100, n=v_n_37, f=v_f_47, x2=v_x2_97} AuxVars[] AssignedVars[x2, i2] 74#[L33, L20, L65]true [78] L33-->L33: Formula: (and (= v_x2_97 (select v_f_47 (select v_f_47 (select v_f_47 (select v_f_47 (select v_f_47 v_x2_98)))))) (< (+ v_i2_102 4) v_n_37) (= (+ 5 v_i2_102) v_i2_100)) InVars {i2=v_i2_102, n=v_n_37, f=v_f_47, x2=v_x2_98} OutVars{i2=v_i2_100, n=v_n_37, f=v_f_47, x2=v_x2_97} AuxVars[] AssignedVars[x2, i2] 74#[L33, L20, L65]true [2023-10-12 17:22:35,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:35,990 INFO L85 PathProgramCache]: Analyzing trace with hash 100681, now seen corresponding path program 1 times [2023-10-12 17:22:35,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:35,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189919294] [2023-10-12 17:22:35,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:35,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:35,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:36,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:36,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:36,007 INFO L85 PathProgramCache]: Analyzing trace with hash 3457, now seen corresponding path program 1 times [2023-10-12 17:22:36,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:36,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578577166] [2023-10-12 17:22:36,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:36,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:36,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:36,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:36,026 INFO L85 PathProgramCache]: Analyzing trace with hash 96756937, now seen corresponding path program 1 times [2023-10-12 17:22:36,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:36,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280835932] [2023-10-12 17:22:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:36,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:36,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:36,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:36,125 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:36,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:36,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:36,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:36,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:22:36,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:36,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:36,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: unroll-cond-5.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:22:36,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:36,126 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:36,127 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 17:22:36,130 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 17:22:36,132 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 17:22:36,136 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 17:22:36,325 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 17:22:36,331 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 17:22:36,333 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 17:22:36,403 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 17:22:36,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:36,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:22:36,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,424 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 17:22:36,426 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 17:22:36,441 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 17:22:36,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:36,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:36,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,470 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 17:22:36,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,485 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) [2023-10-12 17:22:36,488 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 [2023-10-12 17:22:36,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:22:36,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:36,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:36,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,522 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 [2023-10-12 17:22:36,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,537 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) [2023-10-12 17:22:36,540 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 [2023-10-12 17:22:36,542 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 17:22:36,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:36,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:36,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,584 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 [2023-10-12 17:22:36,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,721 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) [2023-10-12 17:22:36,723 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 [2023-10-12 17:22:36,724 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 17:22:36,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:36,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:36,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:36,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-10-12 17:22:36,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,764 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) [2023-10-12 17:22:36,813 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 [2023-10-12 17:22:36,814 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 17:22:36,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:36,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:36,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,881 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 [2023-10-12 17:22:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,897 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) [2023-10-12 17:22:36,939 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 [2023-10-12 17:22:36,939 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 17:22:36,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:36,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:36,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:36,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,958 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 [2023-10-12 17:22:36,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:36,976 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) [2023-10-12 17:22:36,978 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 [2023-10-12 17:22:36,980 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 17:22:36,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:36,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:36,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:36,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:36,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:36,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:36,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:36,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:36,994 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 [2023-10-12 17:22:36,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,002 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) [2023-10-12 17:22:37,013 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 [2023-10-12 17:22:37,016 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 17:22:37,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:37,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:37,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:37,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:37,042 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 [2023-10-12 17:22:37,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,045 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:22:37,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:22:37,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:37,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:37,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:37,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:37,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-10-12 17:22:37,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,070 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:22:37,074 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 17:22:37,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:37,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:37,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:37,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:37,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:37,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,086 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:22:37,090 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 17:22:37,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:37,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:37,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:37,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:37,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-10-12 17:22:37,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,124 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:22:37,127 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 17:22:37,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:37,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:37,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:37,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:37,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:37,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,157 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:22:37,160 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 17:22:37,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:22:37,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:22:37,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:22:37,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:37,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,180 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:22:37,183 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 17:22:37,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:37,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:37,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:37,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:37,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:37,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:37,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:22:37,213 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:22:37,213 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:22:37,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:37,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:37,233 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:22:37,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-10-12 17:22:37,236 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:22:37,243 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:22:37,243 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:22:37,244 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, n) = -1*i2 + 1*n Supporting invariants [] [2023-10-12 17:22:37,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:37,248 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:22:37,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:37,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:22:37,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:37,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:22:37,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:22:37,314 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:22:37,314 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 17:22:37,385 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 5 states and 124 transitions. [2023-10-12 17:22:37,386 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:22:37,410 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:22:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:22:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 17:22:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2023-10-12 17:22:37,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:22:37,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:37,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:22:37,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:37,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 88 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:22:37,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:37,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 1408 transitions, 10176 flow [2023-10-12 17:22:37,481 INFO L124 PetriNetUnfolderBase]: 67/136 cut-off events. [2023-10-12 17:22:37,482 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-10-12 17:22:37,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 136 events. 67/136 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 486 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 240. Up to 48 conditions per place. [2023-10-12 17:22:37,482 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 36 places, 1408 transitions, 10176 flow [2023-10-12 17:22:37,513 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 36 places, 1408 transitions, 10176 flow [2023-10-12 17:22:37,514 INFO L430 stractBuchiCegarLoop]: Abstraction has has 36 places, 1408 transitions, 10176 flow [2023-10-12 17:22:37,514 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:22:37,514 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36 places, 1408 transitions, 10176 flow [2023-10-12 17:22:37,578 INFO L124 PetriNetUnfolderBase]: 67/136 cut-off events. [2023-10-12 17:22:37,579 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-10-12 17:22:37,579 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:22:37,585 INFO L201 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:22:37 BoogieIcfgContainer [2023-10-12 17:22:37,585 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:22:37,586 INFO L158 Benchmark]: Toolchain (without parser) took 3171.23ms. Allocated memory was 200.3MB in the beginning and 323.0MB in the end (delta: 122.7MB). Free memory was 147.7MB in the beginning and 241.7MB in the end (delta: -94.0MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2023-10-12 17:22:37,586 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 200.3MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:22:37,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.67ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 146.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:22:37,587 INFO L158 Benchmark]: Boogie Preprocessor took 25.46ms. Allocated memory is still 200.3MB. Free memory was 146.0MB in the beginning and 145.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:22:37,589 INFO L158 Benchmark]: RCFGBuilder took 306.51ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 145.0MB in the beginning and 208.8MB in the end (delta: -63.8MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2023-10-12 17:22:37,591 INFO L158 Benchmark]: BuchiAutomizer took 2813.78ms. Allocated memory was 241.2MB in the beginning and 323.0MB in the end (delta: 81.8MB). Free memory was 208.4MB in the beginning and 241.7MB in the end (delta: -33.3MB). Peak memory consumption was 48.5MB. Max. memory is 8.0GB. [2023-10-12 17:22:37,592 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 0.24ms. Allocated memory is still 200.3MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.67ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 146.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.46ms. Allocated memory is still 200.3MB. Free memory was 146.0MB in the beginning and 145.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 306.51ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 145.0MB in the beginning and 208.8MB in the end (delta: -63.8MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 2813.78ms. Allocated memory was 241.2MB in the beginning and 323.0MB in the end (delta: 81.8MB). Free memory was 208.4MB in the beginning and 241.7MB in the end (delta: -33.3MB). Peak memory consumption was 48.5MB. 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 n + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + n and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 34 mSDtfsCounter, 72 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 lsp43 ukn76 mio100 lsp100 div100 bol100 ite100 ukn100 eq177 hnf95 smp100 dnf100 smp100 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 83ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.1s - 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: 0.1s, 19 PlacesBefore, 16 PlacesAfterwards, 14 TransitionsBefore, 11 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 22 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, independent: 22, independent conditional: 0, independent unconditional: 22, 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: 10, independent: 10, independent conditional: 0, independent unconditional: 10, 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: 10, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, 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 17:22:37,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:37,811 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...