/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/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:22:45,313 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:22:45,374 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 17:22:45,391 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:22:45,392 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:22:45,392 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:22:45,393 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:22:45,394 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:22:45,394 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:22:45,395 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:22:45,395 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:22:45,395 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:22:45,396 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:22:45,396 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:22:45,396 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:22:45,397 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:22:45,397 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:22:45,397 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:22:45,398 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:22:45,398 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:22:45,398 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:22:45,399 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:22:45,399 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:22:45,399 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:22:45,399 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:22:45,400 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:22:45,400 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:22:45,400 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:22:45,400 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:22:45,400 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:22:45,401 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:22:45,401 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:22:45,401 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:22:45,402 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:22:45,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:22:45,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:22:45,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:22:45,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:22:45,613 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:22:45,614 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:22:45,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2023-10-12 17:22:45,616 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2023-10-12 17:22:45,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:22:45,651 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:22:45,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:22:45,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:22:45,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:22:45,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,682 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:22:45,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:22:45,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:22:45,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:22:45,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:22:45,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:22:45,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:22:45,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:22:45,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:22:45,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/1) ... [2023-10-12 17:22:45,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:45,751 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 17:22:45,779 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 17:22:45,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:22:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:22:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:22:45,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:22:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:22:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:22:45,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:22:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:22:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:22:45,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:22:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:22:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:22:45,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:22:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:22:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:22:45,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2023-10-12 17:22:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-10-12 17:22:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-10-12 17:22:45,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2023-10-12 17:22:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-10-12 17:22:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-10-12 17:22:45,811 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 17:22:45,866 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:22:45,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:22:45,973 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:22:45,979 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:22:45,979 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:22:45,981 INFO L201 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:22:45 BoogieIcfgContainer [2023-10-12 17:22:45,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:22:45,982 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:22:45,982 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:22:45,990 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:22:45,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:22:45,991 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:22:45" (1/2) ... [2023-10-12 17:22:45,992 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60e3245c and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:22:45, skipping insertion in model container [2023-10-12 17:22:45,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:22:45,992 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:22:45" (2/2) ... [2023-10-12 17:22:45,993 INFO L332 chiAutomizerObserver]: Analyzing ICFG exp3x3.wvr.bpl [2023-10-12 17:22:46,068 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-10-12 17:22:46,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 53 transitions, 154 flow [2023-10-12 17:22:46,115 INFO L124 PetriNetUnfolderBase]: 6/41 cut-off events. [2023-10-12 17:22:46,117 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:22:46,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 41 events. 6/41 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-10-12 17:22:46,122 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 53 transitions, 154 flow [2023-10-12 17:22:46,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 41 transitions, 118 flow [2023-10-12 17:22:46,130 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:22:46,142 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 41 transitions, 118 flow [2023-10-12 17:22:46,145 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 41 transitions, 118 flow [2023-10-12 17:22:46,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 41 transitions, 118 flow [2023-10-12 17:22:46,159 INFO L124 PetriNetUnfolderBase]: 6/41 cut-off events. [2023-10-12 17:22:46,159 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:22:46,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 41 events. 6/41 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-10-12 17:22:46,161 INFO L119 LiptonReduction]: Number of co-enabled transitions 720 [2023-10-12 17:22:46,399 INFO L134 LiptonReduction]: Checked pairs total: 555 [2023-10-12 17:22:46,400 INFO L136 LiptonReduction]: Total number of compositions: 15 [2023-10-12 17:22:46,414 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:22:46,414 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:22:46,415 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:22:46,416 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:22:46,416 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:22:46,417 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:22:46,417 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:22:46,417 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:22:46,417 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 places, 27 transitions, 90 flow [2023-10-12 17:22:46,421 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:46,422 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:22:46,422 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:22:46,422 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:46,425 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:22:46,425 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 places, 27 transitions, 90 flow [2023-10-12 17:22:46,428 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:46,428 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:22:46,428 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:22:46,428 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:46,435 INFO L748 eck$LassoCheckResult]: Stem: 64#[$Ultimate##0]true [93] $Ultimate##0-->L69: Formula: (and (< 0 v_x1_5) (< 0 v_x3_1) (< 0 v_x5_1) (= v_x4_1 v_x3_1) (= v_x6_1 v_x5_1) (= v_x2_5 v_x1_5)) InVars {x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} OutVars{x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} AuxVars[] AssignedVars[] 66#[L69]true [141] L69-->L20: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_thidvar0] 68#[L69-1, L20]true [2023-10-12 17:22:46,435 INFO L750 eck$LassoCheckResult]: Loop: 68#[L69-1, L20]true [161] L20-->L20: Formula: (and (< v_x1_14 v_n_35) (= v_x1_13 (* 2 v_x1_14))) InVars {n=v_n_35, x1=v_x1_14} OutVars{n=v_n_35, x1=v_x1_13} AuxVars[] AssignedVars[x1] 68#[L69-1, L20]true [2023-10-12 17:22:46,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 3985, now seen corresponding path program 1 times [2023-10-12 17:22:46,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:46,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314051648] [2023-10-12 17:22:46,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:46,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:46,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:46,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 192, now seen corresponding path program 1 times [2023-10-12 17:22:46,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:46,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148594885] [2023-10-12 17:22:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:46,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:46,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:46,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:46,587 INFO L85 PathProgramCache]: Analyzing trace with hash 123696, now seen corresponding path program 1 times [2023-10-12 17:22:46,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:46,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828318581] [2023-10-12 17:22:46,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:46,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:46,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:46,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:46,696 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:46,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:46,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:46,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:46,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:22:46,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:46,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:46,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:46,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:22:46,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:46,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:46,712 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 17:22:46,727 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 17:22:46,736 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 17:22:46,743 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 17:22:46,814 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:46,814 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:22:46,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:46,823 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 17:22:46,824 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 17:22:46,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:46,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:46,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:22:46,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork5_thidvar0=0} Honda state: {thread1Thread1of1ForFork5_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:22:46,844 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 17:22:46,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:46,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:46,846 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 17:22:46,848 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 17:22:46,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:46,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:46,862 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:22:46,862 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x4=4, x3=4} Honda state: {x4=4, x3=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:22:46,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:46,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:46,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:46,868 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 17:22:46,870 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 17:22:46,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:46,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:46,885 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:22:46,885 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x6=1, x5=1} Honda state: {x6=1, x5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:22:46,897 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 17:22:46,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:46,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:46,901 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 17:22:46,903 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 17:22:46,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:46,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:46,931 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 17:22:46,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:46,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:46,932 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 17:22:46,935 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 17:22:46,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:22:46,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:47,020 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:22:47,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-10-12 17:22:47,023 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:47,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:47,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:47,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:47,024 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:22:47,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:47,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:47,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:47,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:22:47,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:47,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:47,026 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 17:22:47,034 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 17:22:47,041 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 17:22:47,046 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 17:22:47,116 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:47,119 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:22:47,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:47,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:47,129 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 17:22:47,139 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 17:22:47,141 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 17:22:47,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:47,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:47,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:47,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:47,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:47,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:47,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:47,181 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 17:22:47,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:47,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:47,182 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 17:22:47,193 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 17:22:47,198 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 17:22:47,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:47,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:47,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:47,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:47,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:47,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:47,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:47,226 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 17:22:47,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:47,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:47,227 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 17:22:47,235 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 17:22:47,237 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 17:22:47,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:47,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:47,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:47,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:47,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:47,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:47,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:47,272 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 17:22:47,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:47,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:47,274 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 17:22:47,277 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 17:22:47,278 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 17:22:47,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:47,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:47,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:47,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:47,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:47,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:47,309 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:22:47,317 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:22:47,317 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:22:47,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:47,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:47,332 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 17:22:47,369 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:22:47,378 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 17:22:47,385 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:22:47,386 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:22:47,386 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, n) = -1*x1 + 1*n Supporting invariants [1*x1 - 1 >= 0] [2023-10-12 17:22:47,392 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 17:22:47,400 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:22:47,436 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:47,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:22:47,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:47,481 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:22:47,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:47,482 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 17:22:47,517 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-10-12 17:22:47,518 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.0) 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 17:22:47,881 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.0) 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 8 states and 605 transitions. [2023-10-12 17:22:47,882 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:22:47,892 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:22:47,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2023-10-12 17:22:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) 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 17:22:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 344 transitions. [2023-10-12 17:22:47,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 344 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:22:47,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:47,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 344 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:22:47,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:47,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 344 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:22:47,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:47,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 480 transitions, 2568 flow [2023-10-12 17:22:48,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:48,163 INFO L124 PetriNetUnfolderBase]: 3087/3719 cut-off events. [2023-10-12 17:22:48,163 INFO L125 PetriNetUnfolderBase]: For 535/535 co-relation queries the response was YES. [2023-10-12 17:22:48,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8129 conditions, 3719 events. 3087/3719 cut-off events. For 535/535 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10593 event pairs, 378 based on Foata normal form. 0/1948 useless extension candidates. Maximal degree in co-relation 5992. Up to 1315 conditions per place. [2023-10-12 17:22:48,175 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 56 places, 480 transitions, 2568 flow [2023-10-12 17:22:48,184 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 56 places, 480 transitions, 2568 flow [2023-10-12 17:22:48,184 INFO L430 stractBuchiCegarLoop]: Abstraction has has 56 places, 480 transitions, 2568 flow [2023-10-12 17:22:48,185 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:22:48,185 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 places, 480 transitions, 2568 flow [2023-10-12 17:22:48,190 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:48,190 INFO L124 PetriNetUnfolderBase]: 25/39 cut-off events. [2023-10-12 17:22:48,190 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:22:48,190 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:48,191 INFO L748 eck$LassoCheckResult]: Stem: 64#[$Ultimate##0]true [93] $Ultimate##0-->L69: Formula: (and (< 0 v_x1_5) (< 0 v_x3_1) (< 0 v_x5_1) (= v_x4_1 v_x3_1) (= v_x6_1 v_x5_1) (= v_x2_5 v_x1_5)) InVars {x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} OutVars{x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} AuxVars[] AssignedVars[] 66#[L69]true [141] L69-->L20: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_thidvar0] 68#[L69-1, L20]true [126] L69-1-->L28: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_2) (= 2 v_thread2Thread1of1ForFork0_thidvar1_2)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0] 132#[L20, L28, L70]true [2023-10-12 17:22:48,191 INFO L750 eck$LassoCheckResult]: Loop: 132#[L20, L28, L70]true [149] L28-->L28: Formula: (and (< v_x2_10 v_n_15) (= v_x2_9 (* 2 v_x2_10))) InVars {n=v_n_15, x2=v_x2_10} OutVars{n=v_n_15, x2=v_x2_9} AuxVars[] AssignedVars[x2] 132#[L20, L28, L70]true [149] L28-->L28: Formula: (and (< v_x2_10 v_n_15) (= v_x2_9 (* 2 v_x2_10))) InVars {n=v_n_15, x2=v_x2_10} OutVars{n=v_n_15, x2=v_x2_9} AuxVars[] AssignedVars[x2] 132#[L20, L28, L70]true [2023-10-12 17:22:48,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:48,194 INFO L85 PathProgramCache]: Analyzing trace with hash 123661, now seen corresponding path program 1 times [2023-10-12 17:22:48,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:48,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692119732] [2023-10-12 17:22:48,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:48,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:48,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:48,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:48,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash 5729, now seen corresponding path program 1 times [2023-10-12 17:22:48,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:48,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889116565] [2023-10-12 17:22:48,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:48,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:48,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:48,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash 118842989, now seen corresponding path program 1 times [2023-10-12 17:22:48,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:48,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178105207] [2023-10-12 17:22:48,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:48,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:48,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:48,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:48,362 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:48,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:48,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:48,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:48,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:22:48,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:48,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:48,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:22:48,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:48,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:48,364 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 17:22:48,367 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 17:22:48,376 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 17:22:48,379 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 17:22:48,386 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 17:22:48,389 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 17:22:48,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:48,463 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:22:48,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,465 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 17:22:48,468 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 17:22:48,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:48,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:48,491 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:22:48,491 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_thidvar1=0} Honda state: {thread2Thread1of1ForFork0_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:22:48,497 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 17:22:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,499 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 17:22:48,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:48,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:48,528 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 17:22:48,545 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 17:22:48,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,547 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 17:22:48,550 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 17:22:48,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:22:48,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:48,655 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:22:48,662 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 17:22:48,662 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:48,663 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:48,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:48,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:48,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:22:48,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:48,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:48,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:22:48,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:48,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:48,665 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 17:22:48,671 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 17:22:48,674 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 17:22:48,683 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 17:22:48,688 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 17:22:48,691 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 17:22:48,766 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:48,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:22:48,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,769 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 17:22:48,772 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 17:22:48,774 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 17:22:48,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:48,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:48,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:48,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:48,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:48,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:48,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:48,813 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 17:22:48,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,814 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 17:22:48,824 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 17:22:48,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:48,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:48,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:48,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:48,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:48,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:48,836 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 17:22:48,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:48,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:48,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,865 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 17:22:48,871 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 17:22:48,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:48,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:48,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:48,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:48,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:48,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:48,892 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 17:22:48,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:22:48,913 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:22:48,913 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:22:48,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:48,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:48,916 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 17:22:48,919 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 17:22:48,920 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:22:48,954 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:22:48,954 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:22:48,954 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2, n) = -1*x2 + 1*n Supporting invariants [3*x2 - 2 >= 0] [2023-10-12 17:22:48,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-10-12 17:22:48,962 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:22:48,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:49,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:22:49,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:49,039 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:22:49,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:49,071 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 17:22:49,072 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-10-12 17:22:49,072 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.25) 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 17:22:49,078 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 17:22:49,403 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.25) 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 10 states and 736 transitions. [2023-10-12 17:22:49,403 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:22:49,450 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:22:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2023-10-12 17:22:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) 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 17:22:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 412 transitions. [2023-10-12 17:22:49,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 412 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:22:49,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:49,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 412 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:22:49,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:49,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 412 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:22:49,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:49,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 10408 transitions, 76704 flow [2023-10-12 17:22:51,035 INFO L124 PetriNetUnfolderBase]: 9680/11489 cut-off events. [2023-10-12 17:22:51,036 INFO L125 PetriNetUnfolderBase]: For 1562/1562 co-relation queries the response was YES. [2023-10-12 17:22:51,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36608 conditions, 11489 events. 9680/11489 cut-off events. For 1562/1562 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 36518 event pairs, 741 based on Foata normal form. 0/5769 useless extension candidates. Maximal degree in co-relation 27118. Up to 4244 conditions per place. [2023-10-12 17:22:51,054 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 76 places, 10408 transitions, 76704 flow [2023-10-12 17:22:51,166 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 76 places, 10408 transitions, 76704 flow [2023-10-12 17:22:51,166 INFO L430 stractBuchiCegarLoop]: Abstraction has has 76 places, 10408 transitions, 76704 flow [2023-10-12 17:22:51,166 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:22:51,167 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 places, 10408 transitions, 76704 flow [2023-10-12 17:22:51,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:51,251 INFO L124 PetriNetUnfolderBase]: 310/398 cut-off events. [2023-10-12 17:22:51,251 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-10-12 17:22:51,251 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:51,252 INFO L748 eck$LassoCheckResult]: Stem: 64#[$Ultimate##0]true [93] $Ultimate##0-->L69: Formula: (and (< 0 v_x1_5) (< 0 v_x3_1) (< 0 v_x5_1) (= v_x4_1 v_x3_1) (= v_x6_1 v_x5_1) (= v_x2_5 v_x1_5)) InVars {x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} OutVars{x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} AuxVars[] AssignedVars[] 66#[L69]true [141] L69-->L20: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_thidvar0] 68#[L69-1, L20]true [126] L69-1-->L28: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_2) (= 2 v_thread2Thread1of1ForFork0_thidvar1_2)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0] 132#[L20, L28, L70]true [129] L70-->L36: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_2) (= 3 v_thread3Thread1of1ForFork1_thidvar0_2) (= 3 v_thread3Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_2, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_2, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_thidvar0, thread3Thread1of1ForFork1_thidvar1, thread3Thread1of1ForFork1_thidvar2] 205#[L20, L28, L71, L36]true [161] L20-->L20: Formula: (and (< v_x1_14 v_n_35) (= v_x1_13 (* 2 v_x1_14))) InVars {n=v_n_35, x1=v_x1_14} OutVars{n=v_n_35, x1=v_x1_13} AuxVars[] AssignedVars[x1] 205#[L20, L28, L71, L36]true [132] L71-->L44: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar2_2) (= 4 v_thread4Thread1of1ForFork2_thidvar3_2) (= 4 v_thread4Thread1of1ForFork2_thidvar1_2) (= 4 v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_thidvar1] 208#[L44, L20, L28, L72, L36]true [153] L36-->L36: Formula: (and (= (* 2 v_x3_14) v_x3_13) (< v_x3_14 v_n_19)) InVars {n=v_n_19, x3=v_x3_14} OutVars{n=v_n_19, x3=v_x3_13} AuxVars[] AssignedVars[x3] 208#[L44, L20, L28, L72, L36]true [2023-10-12 17:22:51,252 INFO L750 eck$LassoCheckResult]: Loop: 208#[L44, L20, L28, L72, L36]true [153] L36-->L36: Formula: (and (= (* 2 v_x3_14) v_x3_13) (< v_x3_14 v_n_19)) InVars {n=v_n_19, x3=v_x3_14} OutVars{n=v_n_19, x3=v_x3_13} AuxVars[] AssignedVars[x3] 208#[L44, L20, L28, L72, L36]true [153] L36-->L36: Formula: (and (= (* 2 v_x3_14) v_x3_13) (< v_x3_14 v_n_19)) InVars {n=v_n_19, x3=v_x3_14} OutVars{n=v_n_19, x3=v_x3_13} AuxVars[] AssignedVars[x3] 208#[L44, L20, L28, L72, L36]true [2023-10-12 17:22:51,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:51,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1756584606, now seen corresponding path program 1 times [2023-10-12 17:22:51,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:51,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888712925] [2023-10-12 17:22:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:51,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:51,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:51,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:51,281 INFO L85 PathProgramCache]: Analyzing trace with hash 5857, now seen corresponding path program 1 times [2023-10-12 17:22:51,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:51,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097076842] [2023-10-12 17:22:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:51,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:51,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:51,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:51,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:51,293 INFO L85 PathProgramCache]: Analyzing trace with hash -155654142, now seen corresponding path program 2 times [2023-10-12 17:22:51,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:51,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770340139] [2023-10-12 17:22:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:51,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:51,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:51,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:51,478 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:51,478 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:51,478 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:51,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:51,479 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:22:51,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:51,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:51,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:51,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:22:51,479 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:51,479 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:51,481 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 17:22:51,499 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 17:22:51,501 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 17:22:51,504 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 17:22:51,507 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 17:22:51,509 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 17:22:51,512 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 17:22:51,514 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 17:22:51,518 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 17:22:51,522 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 17:22:51,525 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 17:22:51,527 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 17:22:51,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:51,698 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:22:51,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:51,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:51,700 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 17:22:51,702 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 17:22:51,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:22:51,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:51,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-10-12 17:22:51,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:51,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:51,725 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 17:22:51,727 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 17:22:51,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:22:51,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:22:51,858 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:22:51,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-10-12 17:22:51,862 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:51,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:51,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:51,862 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:51,862 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:22:51,862 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:51,862 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:51,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:51,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:22:51,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:51,862 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:51,864 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 17:22:51,887 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 17:22:51,891 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 17:22:51,894 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 17:22:51,897 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 17:22:51,901 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 17:22:51,904 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 17:22:51,906 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 17:22:51,909 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 17:22:51,914 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 17:22:51,918 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 17:22:51,924 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 17:22:52,061 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:52,061 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:22:52,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:52,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:52,062 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 17:22:52,065 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 17:22:52,067 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 17:22:52,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:52,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:52,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:52,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:52,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:52,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:52,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:22:52,121 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-10-12 17:22:52,121 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:22:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:52,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:52,125 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 17:22:52,129 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:22:52,137 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 17:22:52,147 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:22:52,148 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:22:52,148 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 1*n - 1*x3 Supporting invariants [3*x3 - 2 >= 0] [2023-10-12 17:22:52,157 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 17:22:52,159 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:22:52,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:52,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:22:52,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:52,241 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:22:52,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:52,258 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 17:22:52,258 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-10-12 17:22:52,259 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:22:52,561 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 736 transitions. [2023-10-12 17:22:52,562 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:22:54,093 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 17:22:54,411 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:22:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2023-10-12 17:22:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:22:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 412 transitions. [2023-10-12 17:22:54,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 412 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:22:54,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:54,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 412 transitions. Stem has 9 letters. Loop has 2 letters. [2023-10-12 17:22:54,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:54,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 412 transitions. Stem has 7 letters. Loop has 4 letters. [2023-10-12 17:22:54,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:54,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 226216 transitions, 2123360 flow [2023-10-12 17:25:23,096 INFO L124 PetriNetUnfolderBase]: 38061/44782 cut-off events. [2023-10-12 17:25:23,101 INFO L125 PetriNetUnfolderBase]: For 6234/6234 co-relation queries the response was YES. [2023-10-12 17:25:23,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187410 conditions, 44782 events. 38061/44782 cut-off events. For 6234/6234 co-relation queries the response was YES. Maximal size of possible extension queue 1152. Compared 162972 event pairs, 1985 based on Foata normal form. 0/21983 useless extension candidates. Maximal degree in co-relation 136748. Up to 17526 conditions per place. [2023-10-12 17:25:23,220 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 96 places, 226216 transitions, 2123360 flow [2023-10-12 17:25:26,025 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 96 places, 226216 transitions, 2123360 flow [2023-10-12 17:25:26,025 INFO L430 stractBuchiCegarLoop]: Abstraction has has 96 places, 226216 transitions, 2123360 flow [2023-10-12 17:25:26,025 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:25:26,026 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 places, 226216 transitions, 2123360 flow [2023-10-12 17:25:29,210 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:25:29,210 INFO L124 PetriNetUnfolderBase]: 343/446 cut-off events. [2023-10-12 17:25:29,210 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2023-10-12 17:25:29,210 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:25:29,211 INFO L748 eck$LassoCheckResult]: Stem: 64#[$Ultimate##0]true [93] $Ultimate##0-->L69: Formula: (and (< 0 v_x1_5) (< 0 v_x3_1) (< 0 v_x5_1) (= v_x4_1 v_x3_1) (= v_x6_1 v_x5_1) (= v_x2_5 v_x1_5)) InVars {x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} OutVars{x6=v_x6_1, x4=v_x4_1, x5=v_x5_1, x2=v_x2_5, x3=v_x3_1, x1=v_x1_5} AuxVars[] AssignedVars[] 66#[L69]true [141] L69-->L20: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_thidvar0] 68#[L69-1, L20]true [126] L69-1-->L28: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_2) (= 2 v_thread2Thread1of1ForFork0_thidvar1_2)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0] 132#[L20, L28, L70]true [129] L70-->L36: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_2) (= 3 v_thread3Thread1of1ForFork1_thidvar0_2) (= 3 v_thread3Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_2, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_2, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_thidvar0, thread3Thread1of1ForFork1_thidvar1, thread3Thread1of1ForFork1_thidvar2] 205#[L20, L28, L71, L36]true [161] L20-->L20: Formula: (and (< v_x1_14 v_n_35) (= v_x1_13 (* 2 v_x1_14))) InVars {n=v_n_35, x1=v_x1_14} OutVars{n=v_n_35, x1=v_x1_13} AuxVars[] AssignedVars[x1] 205#[L20, L28, L71, L36]true [132] L71-->L44: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar2_2) (= 4 v_thread4Thread1of1ForFork2_thidvar3_2) (= 4 v_thread4Thread1of1ForFork2_thidvar1_2) (= 4 v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_thidvar1] 208#[L44, L20, L28, L72, L36]true [155] L44-->L44: Formula: (and (= v_x4_13 (* 2 v_x4_14)) (< v_x4_14 v_n_23)) InVars {n=v_n_23, x4=v_x4_14} OutVars{n=v_n_23, x4=v_x4_13} AuxVars[] AssignedVars[x4] 208#[L44, L20, L28, L72, L36]true [2023-10-12 17:25:29,211 INFO L750 eck$LassoCheckResult]: Loop: 208#[L44, L20, L28, L72, L36]true [155] L44-->L44: Formula: (and (= v_x4_13 (* 2 v_x4_14)) (< v_x4_14 v_n_23)) InVars {n=v_n_23, x4=v_x4_14} OutVars{n=v_n_23, x4=v_x4_13} AuxVars[] AssignedVars[x4] 208#[L44, L20, L28, L72, L36]true [155] L44-->L44: Formula: (and (= v_x4_13 (* 2 v_x4_14)) (< v_x4_14 v_n_23)) InVars {n=v_n_23, x4=v_x4_14} OutVars{n=v_n_23, x4=v_x4_13} AuxVars[] AssignedVars[x4] 208#[L44, L20, L28, L72, L36]true [2023-10-12 17:25:29,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:25:29,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1756584604, now seen corresponding path program 1 times [2023-10-12 17:25:29,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:25:29,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634839788] [2023-10-12 17:25:29,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:25:29,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:25:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:25:29,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:25:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:25:29,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:25:29,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:25:29,222 INFO L85 PathProgramCache]: Analyzing trace with hash 5921, now seen corresponding path program 1 times [2023-10-12 17:25:29,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:25:29,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182816876] [2023-10-12 17:25:29,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:25:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:25:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:25:29,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:25:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:25:29,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:25:29,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:25:29,227 INFO L85 PathProgramCache]: Analyzing trace with hash -155652156, now seen corresponding path program 2 times [2023-10-12 17:25:29,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:25:29,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484115655] [2023-10-12 17:25:29,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:25:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:25:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:25:29,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:25:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:25:29,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:25:29,374 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:25:29,375 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:25:29,375 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:25:29,375 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:25:29,375 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:25:29,375 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:25:29,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:25:29,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:25:29,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:25:29,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:25:29,379 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 17:25:29,382 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 17:25:29,384 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 17:25:29,386 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 17:25:29,388 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 17:25:29,390 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 17:25:29,392 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 17:25:29,395 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 17:25:29,411 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 17:25:29,414 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 17:25:29,416 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 17:25:29,418 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 17:25:29,531 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:25:29,531 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:25:29,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,535 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:25:29,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-10-12 17:25:29,557 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,557 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork1_thidvar2=0} Honda state: {thread3Thread1of1ForFork1_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:29,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,561 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:25:29,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:25:29,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,572 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,572 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_thidvar3=0} Honda state: {thread4Thread1of1ForFork2_thidvar3=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:29,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,578 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:25:29,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:25:29,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,589 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork1_thidvar1=0} Honda state: {thread3Thread1of1ForFork1_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-10-12 17:25:29,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,593 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:25:29,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:25:29,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork1_thidvar0=0} Honda state: {thread3Thread1of1ForFork1_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:29,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,608 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:25:29,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:25:29,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,621 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,622 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_thidvar2=0} Honda state: {thread4Thread1of1ForFork2_thidvar2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:29,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,626 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:25:29,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-10-12 17:25:29,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,638 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,638 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_thidvar1=0} Honda state: {thread4Thread1of1ForFork2_thidvar1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-10-12 17:25:29,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,642 INFO L229 MonitoredProcess]: Starting monitored process 29 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 17:25:29,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-10-12 17:25:29,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,659 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:25:29,659 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x5=1, x6=1} Honda state: {x5=1, x6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:25:29,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-10-12 17:25:29,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,663 INFO L229 MonitoredProcess]: Starting monitored process 30 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 17:25:29,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-10-12 17:25:29,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:25:29,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:29,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:29,712 INFO L229 MonitoredProcess]: Starting monitored process 31 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 17:25:29,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:25:29,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:25:29,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-10-12 17:25:29,838 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:25:29,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-10-12 17:25:29,844 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:25:29,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:25:29,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:25:29,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:25:29,844 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:25:29,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:29,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:25:29,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:25:29,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp3x3.wvr.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:25:29,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:25:29,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:25:29,845 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 17:25:29,852 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 17:25:29,854 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 17:25:29,858 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 17:25:29,860 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 17:25:29,879 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 17:25:29,881 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 17:25:29,884 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 17:25:29,890 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 17:25:29,893 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 17:25:29,896 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 17:25:29,899 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 17:25:30,025 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:25:30,025 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:25:30,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:30,029 INFO L229 MonitoredProcess]: Starting monitored process 32 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 17:25:30,038 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 17:25:30,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:25:30,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:25:30,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:25:30,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:25:30,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:25:30,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:25:30,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-10-12 17:25:30,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:25:30,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:30,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:30,074 INFO L229 MonitoredProcess]: Starting monitored process 33 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 17:25:30,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-10-12 17:25:30,078 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 17:25:30,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:25:30,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:25:30,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:25:30,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:25:30,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:25:30,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:25:30,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:25:30,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:30,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:30,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:30,114 INFO L229 MonitoredProcess]: Starting monitored process 34 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 17:25:30,124 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 17:25:30,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:25:30,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:25:30,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:25:30,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:25:30,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:25:30,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:25:30,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-10-12 17:25:30,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:25:30,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:30,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:30,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:30,161 INFO L229 MonitoredProcess]: Starting monitored process 35 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 17:25:30,165 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 17:25:30,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:25:30,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:25:30,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:25:30,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:25:30,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:25:30,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:25:30,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-10-12 17:25:30,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:25:30,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-10-12 17:25:30,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:30,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:30,189 INFO L229 MonitoredProcess]: Starting monitored process 36 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 17:25:30,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-10-12 17:25:30,192 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 17:25:30,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:25:30,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:25:30,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:25:30,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:25:30,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:25:30,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:25:30,212 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:25:30,218 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:25:30,218 INFO L444 ModelExtractionUtils]: 13 out of 19 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:25:30,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:25:30,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:25:30,221 INFO L229 MonitoredProcess]: Starting monitored process 37 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 17:25:30,230 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:25:30,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-10-12 17:25:30,253 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:25:30,253 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:25:30,253 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x4) = 1*n - 1*x4 Supporting invariants [3*x4 - 2 >= 0] [2023-10-12 17:25:30,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-10-12 17:25:30,261 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:25:30,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:25:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:25:30,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:25:30,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:25:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:25:30,325 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:25:30,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:25:30,339 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 17:25:30,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-10-12 17:25:30,341 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:25:30,627 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 736 transitions. [2023-10-12 17:25:30,627 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:25:30,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 Received shutdown request... [2023-10-12 17:26:50,185 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-10-12 17:26:51,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown