/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 RABIN_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:37:46,911 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:37:46,961 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 17:37:46,989 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:37:46,989 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:37:46,990 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:37:46,991 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:37:46,991 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:37:46,992 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:37:46,994 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:37:46,994 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:37:46,995 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:37:46,995 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:37:46,996 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:37:46,996 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:37:46,996 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:37:46,996 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:37:46,997 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:37:46,998 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:37:46,998 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:37:46,998 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:37:46,998 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:37:46,998 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:37:46,998 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:37:46,999 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:37:46,999 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:37:46,999 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:37:47,000 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:37:47,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:37:47,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:37:47,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:37:47,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:37:47,179 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:37:47,180 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:37:47,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl [2023-10-12 17:37:47,182 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl' [2023-10-12 17:37:47,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:37:47,205 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:37:47,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:37:47,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:37:47,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:37:47,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,225 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:37:47,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:37:47,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:37:47,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:37:47,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:37:47,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:37:47,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:37:47,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:37:47,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:37:47,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/1) ... [2023-10-12 17:37:47,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:47,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:47,306 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 17:37:47,329 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 17:37:47,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:37:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:37:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:37:47,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:37:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:37:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:37:47,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:37:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:37:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:37:47,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:37:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:37:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:37:47,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:37:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:37:47,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:37:47,342 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 17:37:47,378 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:37:47,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:37:47,472 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:37:47,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:37:47,477 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:37:47,478 INFO L201 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:47 BoogieIcfgContainer [2023-10-12 17:37:47,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:37:47,479 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:37:47,479 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:37:47,485 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:37:47,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:37:47,486 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:47" (1/2) ... [2023-10-12 17:37:47,487 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a5e6551 and model type exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:37:47, skipping insertion in model container [2023-10-12 17:37:47,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:37:47,487 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:47" (2/2) ... [2023-10-12 17:37:47,488 INFO L332 chiAutomizerObserver]: Analyzing ICFG exp2x6.wvr.bpl [2023-10-12 17:37:47,565 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:37:47,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 49 transitions, 130 flow [2023-10-12 17:37:47,602 INFO L124 PetriNetUnfolderBase]: 4/41 cut-off events. [2023-10-12 17:37:47,603 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:37:47,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 41 events. 4/41 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 107 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2023-10-12 17:37:47,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 49 transitions, 130 flow [2023-10-12 17:37:47,616 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 41 transitions, 106 flow [2023-10-12 17:37:47,619 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:37:47,628 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 41 transitions, 106 flow [2023-10-12 17:37:47,630 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 41 transitions, 106 flow [2023-10-12 17:37:47,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 106 flow [2023-10-12 17:37:47,639 INFO L124 PetriNetUnfolderBase]: 4/41 cut-off events. [2023-10-12 17:37:47,639 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:37:47,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 41 events. 4/41 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 107 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2023-10-12 17:37:47,640 INFO L119 LiptonReduction]: Number of co-enabled transitions 756 [2023-10-12 17:37:47,938 INFO L134 LiptonReduction]: Checked pairs total: 588 [2023-10-12 17:37:47,938 INFO L136 LiptonReduction]: Total number of compositions: 23 [2023-10-12 17:37:47,946 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:37:47,947 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:37:47,947 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:37:47,947 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:37:47,947 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:37:47,947 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:37:47,947 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:37:47,947 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:37:47,947 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 28 places, 19 transitions, 62 flow [2023-10-12 17:37:47,949 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[][7], 2:2A:[124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][1]][3:3A:[159] L18-->L18: Formula: (and (= v_x1_35 (* 16 v_x1_37)) (< v_x1_37 v_n_33)) InVars {n=v_n_33, x1=v_x1_37} OutVars{n=v_n_33, x1=v_x1_35} AuxVars[] AssignedVars[x1][16]] [2023-10-12 17:37:47,951 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:47,951 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:37:47,951 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:47,951 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:47,955 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:37:47,955 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 28 places, 19 transitions, 62 flow [2023-10-12 17:37:47,957 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[][7], 2:2A:[124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][1]][3:3A:[159] L18-->L18: Formula: (and (= v_x1_35 (* 16 v_x1_37)) (< v_x1_37 v_n_33)) InVars {n=v_n_33, x1=v_x1_37} OutVars{n=v_n_33, x1=v_x1_35} AuxVars[] AssignedVars[x1][16]] [2023-10-12 17:37:47,957 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:47,957 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:37:47,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:47,957 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:47,961 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[] 60#[L63]true [124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[L18, L63-1]true [2023-10-12 17:37:47,961 INFO L750 eck$LassoCheckResult]: Loop: 62#[L18, L63-1]true [159] L18-->L18: Formula: (and (= v_x1_35 (* 16 v_x1_37)) (< v_x1_37 v_n_33)) InVars {n=v_n_33, x1=v_x1_37} OutVars{n=v_n_33, x1=v_x1_35} AuxVars[] AssignedVars[x1] 62#[L18, L63-1]true [2023-10-12 17:37:47,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:47,967 INFO L85 PathProgramCache]: Analyzing trace with hash 3751, now seen corresponding path program 1 times [2023-10-12 17:37:47,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:47,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486762030] [2023-10-12 17:37:47,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:48,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:48,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:48,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash 190, now seen corresponding path program 1 times [2023-10-12 17:37:48,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:48,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011438180] [2023-10-12 17:37:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:48,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:48,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:48,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:48,079 INFO L85 PathProgramCache]: Analyzing trace with hash 116440, now seen corresponding path program 1 times [2023-10-12 17:37:48,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:48,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735005276] [2023-10-12 17:37:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:48,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:48,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:48,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:48,159 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:48,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:48,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:48,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:48,160 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:37:48,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:48,160 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:48,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:37:48,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:48,161 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:48,175 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 17:37:48,186 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 17:37:48,193 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 17:37:48,231 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:48,231 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:37:48,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:48,261 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 17:37:48,273 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 17:37:48,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:48,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:48,293 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:48,293 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x3=4, x4=4} Honda state: {x3=4, x4=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:48,298 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 17:37:48,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:48,309 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 17:37:48,310 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 17:37:48,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:48,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:48,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-10-12 17:37:48,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:48,361 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 17:37:48,363 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 17:37:48,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:37:48,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:48,457 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:37:48,461 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 17:37:48,462 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:48,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:48,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:48,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:48,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:48,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:48,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:48,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:37:48,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:48,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:48,463 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 17:37:48,472 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 17:37:48,489 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 17:37:48,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:48,530 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:48,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:48,532 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 17:37:48,534 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 17:37:48,536 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 17:37:48,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:48,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:48,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:48,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:48,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:48,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:48,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:48,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-10-12 17:37:48,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:48,573 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 17:37:48,574 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 17:37:48,576 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 17:37:48,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:48,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:48,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:48,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:48,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:48,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:48,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:48,611 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:37:48,611 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:37:48,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:48,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:48,618 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 17:37:48,619 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 17:37:48,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:48,675 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:37:48,675 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:48,676 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, n) = -1*x1 + 1*n Supporting invariants [15*x1 - 2 >= 0] [2023-10-12 17:37:48,681 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 17:37:48,688 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:37:48,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:48,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:37:48,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:48,749 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:37:48,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:48,754 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 17:37:48,781 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 17:37:49,077 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 17:37:49,081 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 17:37:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 364 transitions. [2023-10-12 17:37:49,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:37:49,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:49,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:37:49,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:49,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:37:49,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:49,089 INFO L430 stractBuchiCegarLoop]: Abstraction has has 35 places, 133 transitions, 700 flow [2023-10-12 17:37:49,090 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:37:49,090 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 35 places, 133 transitions, 700 flow [2023-10-12 17:37:49,092 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[][50], 2:2A:[124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][13], 4:3A:[127] L63-1-->L29: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][30]][5:4A:[158] L29-->L29: Formula: (and (< v_x2_37 v_n_31) (= (* 16 v_x2_37) v_x2_35)) InVars {n=v_n_31, x2=v_x2_37} OutVars{n=v_n_31, x2=v_x2_35} AuxVars[] AssignedVars[x2][126]] [2023-10-12 17:37:49,093 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:49,094 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-10-12 17:37:49,094 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:49,094 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:49,094 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[] 60#[L63]true [124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[L18, L63-1]true [127] L63-1-->L29: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 111#[L64, L18, L29]true [2023-10-12 17:37:49,094 INFO L750 eck$LassoCheckResult]: Loop: 111#[L64, L18, L29]true [158] L29-->L29: Formula: (and (< v_x2_37 v_n_31) (= (* 16 v_x2_37) v_x2_35)) InVars {n=v_n_31, x2=v_x2_37} OutVars{n=v_n_31, x2=v_x2_35} AuxVars[] AssignedVars[x2] 111#[L64, L18, L29]true [2023-10-12 17:37:49,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash 116408, now seen corresponding path program 1 times [2023-10-12 17:37:49,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155137596] [2023-10-12 17:37:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:49,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:49,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:49,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:49,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:49,116 INFO L85 PathProgramCache]: Analyzing trace with hash 189, now seen corresponding path program 1 times [2023-10-12 17:37:49,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:49,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471481585] [2023-10-12 17:37:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:49,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:49,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:49,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:49,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:49,134 INFO L85 PathProgramCache]: Analyzing trace with hash 3608806, now seen corresponding path program 1 times [2023-10-12 17:37:49,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:49,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299717703] [2023-10-12 17:37:49,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:49,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:49,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:49,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:49,188 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:49,188 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:49,188 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:49,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:49,189 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:37:49,189 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,189 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:49,189 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:49,189 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:37:49,189 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:49,189 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:49,190 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 17:37:49,192 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 17:37:49,194 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 17:37:49,198 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 17:37:49,205 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 17:37:49,244 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:49,244 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:37:49,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,251 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 17:37:49,252 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 17:37:49,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:49,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:49,271 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:49,272 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:49,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:37:49,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,280 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 17:37:49,281 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 17:37:49,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:49,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:49,297 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:49,297 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:49,310 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 17:37:49,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,312 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 17:37:49,314 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 17:37:49,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:49,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:49,336 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:49,337 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 17:37:49,342 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 17:37:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,343 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 17:37:49,346 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 17:37:49,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:49,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:49,372 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 17:37:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,393 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 17:37:49,396 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 17:37:49,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:37:49,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:49,406 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 17:37:49,508 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:37:49,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-10-12 17:37:49,516 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:49,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:49,517 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:49,517 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:49,517 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:49,517 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:49,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:49,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:37:49,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:49,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:49,518 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 17:37:49,535 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 17:37:49,540 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 17:37:49,545 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 17:37:49,551 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 17:37:49,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:49,599 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:49,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,600 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 17:37:49,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:37:49,616 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 17:37:49,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:49,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:49,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:49,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:49,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:49,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:49,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:49,637 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 17:37:49,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,639 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 17:37:49,655 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 17:37:49,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:49,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:49,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:49,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:49,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:49,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:49,667 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 17:37:49,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:49,678 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 17:37:49,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,680 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 17:37:49,686 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 17:37:49,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:49,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:49,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:49,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:49,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:49,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:49,698 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 17:37:49,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:49,714 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 17:37:49,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,717 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 17:37:49,719 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 17:37:49,721 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 17:37:49,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:49,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:49,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:49,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:49,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:49,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:49,749 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:49,759 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:37:49,759 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:37:49,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:49,761 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 17:37:49,765 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 17:37:49,802 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:49,823 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:37:49,823 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:49,823 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2, n) = -1*x2 + 1*n Supporting invariants [15*x2 - 2 >= 0] [2023-10-12 17:37:49,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-10-12 17:37:49,833 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:37:49,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:49,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:37:49,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:49,901 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:37:49,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:49,902 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 17:37:49,902 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 17:37:50,117 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 17:37:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:37:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 364 transitions. [2023-10-12 17:37:50,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:37:50,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:50,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:37:50,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:50,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:37:50,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:50,119 INFO L430 stractBuchiCegarLoop]: Abstraction has has 42 places, 931 transitions, 6762 flow [2023-10-12 17:37:50,119 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:37:50,119 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 42 places, 931 transitions, 6762 flow [2023-10-12 17:37:50,122 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[][355], 2:2A:[124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][92], 4:3A:[127] L63-1-->L29: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][211], 9:4A:[130] L64-->L40: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0][251]][10:5A:[157] L40-->L40: Formula: (and (= v_x3_35 (* 16 v_x3_37)) (< v_x3_37 v_n_29)) InVars {n=v_n_29, x3=v_x3_37} OutVars{n=v_n_29, x3=v_x3_35} AuxVars[] AssignedVars[x3][835]] [2023-10-12 17:37:50,123 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:50,123 INFO L124 PetriNetUnfolderBase]: 3/9 cut-off events. [2023-10-12 17:37:50,123 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:37:50,123 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:50,123 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[] 60#[L63]true [124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[L18, L63-1]true [127] L63-1-->L29: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 111#[L64, L18, L29]true [130] L64-->L40: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 159#[L18, L40, L29, L65]true [2023-10-12 17:37:50,123 INFO L750 eck$LassoCheckResult]: Loop: 159#[L18, L40, L29, L65]true [157] L40-->L40: Formula: (and (= v_x3_35 (* 16 v_x3_37)) (< v_x3_37 v_n_29)) InVars {n=v_n_29, x3=v_x3_37} OutVars{n=v_n_29, x3=v_x3_35} AuxVars[] AssignedVars[x3] 159#[L18, L40, L29, L65]true [2023-10-12 17:37:50,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:50,124 INFO L85 PathProgramCache]: Analyzing trace with hash 3608778, now seen corresponding path program 1 times [2023-10-12 17:37:50,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:50,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570684117] [2023-10-12 17:37:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:50,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:50,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:50,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:50,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 188, now seen corresponding path program 1 times [2023-10-12 17:37:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809629713] [2023-10-12 17:37:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:50,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:50,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:50,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:50,135 INFO L85 PathProgramCache]: Analyzing trace with hash 111872275, now seen corresponding path program 1 times [2023-10-12 17:37:50,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:50,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082556183] [2023-10-12 17:37:50,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:50,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:50,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:50,194 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:50,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:50,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:50,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:50,195 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:37:50,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:50,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:50,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:37:50,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:50,195 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:50,196 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 17:37:50,199 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 17:37:50,200 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 17:37:50,202 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 17:37:50,204 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 17:37:50,206 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 17:37:50,209 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 17:37:50,215 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 17:37:50,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:50,269 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:37:50,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,270 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 17:37:50,270 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 17:37:50,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:50,281 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:50,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,285 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 17:37:50,286 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 17:37:50,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:50,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:50,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:50,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,323 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 17:37:50,325 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 17:37:50,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,334 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:50,334 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:50,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:50,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,340 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 17:37:50,349 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 17:37:50,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,365 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:50,365 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:50,370 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 17:37:50,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,371 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 17:37:50,372 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 17:37:50,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,389 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:50,389 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:50,396 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 17:37:50,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,398 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 17:37:50,399 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 17:37:50,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,415 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:50,415 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x2=4, x1=4} Honda state: {x2=4, x1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:50,418 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 17:37:50,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,421 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 17:37:50,423 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 17:37:50,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:50,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-10-12 17:37:50,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,448 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 17:37:50,449 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 17:37:50,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:37:50,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:50,547 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:37:50,550 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 17:37:50,550 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:50,550 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:50,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:50,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:50,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:50,551 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,551 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:50,551 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:50,551 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:37:50,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:50,551 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:50,552 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 17:37:50,555 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 17:37:50,557 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 17:37:50,560 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 17:37:50,562 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 17:37:50,564 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 17:37:50,573 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 17:37:50,575 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 17:37:50,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:50,653 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:50,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,655 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 17:37:50,657 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 17:37:50,658 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 17:37:50,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-10-12 17:37:50,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,676 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 17:37:50,678 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 17:37:50,679 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 17:37:50,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,719 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 17:37:50,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,721 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 17:37:50,724 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 17:37:50,725 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 17:37:50,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:50,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,758 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 17:37:50,760 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 17:37:50,761 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 17:37:50,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,787 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 17:37:50,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,789 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 17:37:50,791 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 17:37:50,792 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 17:37:50,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,819 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 17:37:50,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,820 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 17:37:50,825 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 17:37:50,825 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 17:37:50,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,854 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 17:37:50,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,855 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 17:37:50,856 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 17:37:50,884 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 17:37:50,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:50,921 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 17:37:50,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,923 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 17:37:50,926 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 17:37:50,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:50,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:50,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:50,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:50,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:50,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:50,942 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 17:37:50,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:50,963 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:37:50,963 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:37:50,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:50,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:50,964 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 17:37:50,966 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 17:37:50,967 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:50,975 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:37:50,975 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:50,975 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 1*n - 1*x3 Supporting invariants [15*x3 - 2 >= 0] [2023-10-12 17:37:50,980 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 17:37:50,987 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:37:51,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:51,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:37:51,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:51,043 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:37:51,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:51,043 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 17:37:51,044 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 17:37:51,133 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 17:37:51,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:51,324 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 17:37:51,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:37:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 364 transitions. [2023-10-12 17:37:51,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:37:51,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:51,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:37:51,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:51,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:37:51,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:51,327 INFO L430 stractBuchiCegarLoop]: Abstraction has has 49 places, 6517 transitions, 60368 flow [2023-10-12 17:37:51,327 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:37:51,327 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 49 places, 6517 transitions, 60368 flow [2023-10-12 17:37:51,362 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[][2489], 2:2A:[124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][647], 4:3A:[127] L63-1-->L29: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][1480], 9:4A:[130] L64-->L40: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0][1760], 29:5A:[133] L65-->L51: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2][2764]][32:6A:[160] L51-->L51: Formula: (and (< v_x4_37 v_n_35) (= (* 16 v_x4_37) v_x4_35)) InVars {n=v_n_35, x4=v_x4_37} OutVars{n=v_n_35, x4=v_x4_35} AuxVars[] AssignedVars[x4][5159]] [2023-10-12 17:37:51,362 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:51,362 INFO L124 PetriNetUnfolderBase]: 18/31 cut-off events. [2023-10-12 17:37:51,362 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:37:51,362 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:51,363 INFO L748 eck$LassoCheckResult]: Stem: 58#[$Ultimate##0]true [86] $Ultimate##0-->L63: Formula: (and (< 0 v_x3_1) (< 0 v_x1_11) (= v_x1_11 v_x2_11) (= v_x4_1 v_x3_1)) InVars {x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} OutVars{x1=v_x1_11, x4=v_x4_1, x2=v_x2_11, x3=v_x3_1} AuxVars[] AssignedVars[] 60#[L63]true [124] L63-->L18: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 62#[L18, L63-1]true [127] L63-1-->L29: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 111#[L64, L18, L29]true [130] L64-->L40: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 159#[L18, L40, L29, L65]true [133] L65-->L51: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2] 211#[L66, L18, L40, L51, L29]true [2023-10-12 17:37:51,363 INFO L750 eck$LassoCheckResult]: Loop: 211#[L66, L18, L40, L51, L29]true [160] L51-->L51: Formula: (and (< v_x4_37 v_n_35) (= (* 16 v_x4_37) v_x4_35)) InVars {n=v_n_35, x4=v_x4_37} OutVars{n=v_n_35, x4=v_x4_35} AuxVars[] AssignedVars[x4] 211#[L66, L18, L40, L51, L29]true [2023-10-12 17:37:51,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:51,363 INFO L85 PathProgramCache]: Analyzing trace with hash 111872251, now seen corresponding path program 1 times [2023-10-12 17:37:51,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:51,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473414093] [2023-10-12 17:37:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:51,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:51,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:51,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:51,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:51,372 INFO L85 PathProgramCache]: Analyzing trace with hash 191, now seen corresponding path program 1 times [2023-10-12 17:37:51,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:51,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948587523] [2023-10-12 17:37:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:51,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:51,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:51,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:51,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:51,377 INFO L85 PathProgramCache]: Analyzing trace with hash -826927355, now seen corresponding path program 1 times [2023-10-12 17:37:51,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:51,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411946178] [2023-10-12 17:37:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:51,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:51,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:51,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:51,478 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:51,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:51,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:51,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:51,479 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:37:51,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:51,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:51,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:37:51,479 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:51,479 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:51,482 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 17:37:51,485 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 17:37:51,490 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 17:37:51,492 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 17:37:51,494 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 17:37:51,495 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 17:37:51,497 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 17:37:51,498 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 17:37:51,500 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 17:37:51,502 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 17:37:51,503 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 17:37:51,505 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 17:37:51,581 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:51,582 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:37:51,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:51,583 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 17:37:51,585 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 17:37:51,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:51,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:51,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:37:51,600 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x1=4, x2=4} Honda state: {x1=4, x2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:37:51,603 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 17:37:51,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:51,604 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 17:37:51,605 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 17:37:51,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:37:51,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:51,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-10-12 17:37:51,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:51,618 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 17:37:51,618 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 17:37:51,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:37:51,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:37:51,743 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:37:51,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-10-12 17:37:51,750 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:51,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:51,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:51,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:51,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:51,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:51,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:51,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: exp2x6.wvr.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:37:51,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:51,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:51,752 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 17:37:51,756 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 17:37:51,762 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 17:37:51,764 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 17:37:51,766 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 17:37:51,768 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 17:37:51,770 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 17:37:51,771 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 17:37:51,774 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 17:37:51,776 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 17:37:51,778 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 17:37:51,779 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 17:37:51,854 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:51,854 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:51,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:51,855 INFO L229 MonitoredProcess]: Starting monitored process 38 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 17:37:51,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-10-12 17:37:51,859 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 17:37:51,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:51,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:51,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:51,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:51,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:51,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:51,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:51,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-10-12 17:37:51,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:51,885 INFO L229 MonitoredProcess]: Starting monitored process 39 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 17:37:51,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-10-12 17:37:51,916 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 17:37:51,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:51,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:51,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:51,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:51,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:51,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:51,930 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:51,942 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:37:51,942 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:37:51,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:51,943 INFO L229 MonitoredProcess]: Starting monitored process 40 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 17:37:51,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-10-12 17:37:51,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:51,969 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:37:51,970 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:51,970 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x4, n) = -1*x4 + 1*n Supporting invariants [15*x4 - 2 >= 0] [2023-10-12 17:37:51,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:51,975 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:37:51,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:52,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:37:52,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:52,035 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:37:52,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:52,035 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 17:37:52,036 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 17:37:52,532 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 17:37:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:37:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 364 transitions. [2023-10-12 17:37:52,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:37:52,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:52,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 6 letters. Loop has 1 letters. [2023-10-12 17:37:52,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:52,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 364 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:37:52,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:52,535 INFO L430 stractBuchiCegarLoop]: Abstraction has has 56 places, 45619 transitions, 513814 flow [2023-10-12 17:37:52,535 INFO L337 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-10-12 17:37:52,535 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 56 places, 45619 transitions, 513814 flow [2023-10-12 17:37:52,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-10-12 17:37:53,717 INFO L124 PetriNetUnfolderBase]: 350/460 cut-off events. [2023-10-12 17:37:53,717 INFO L125 PetriNetUnfolderBase]: For 93/93 co-relation queries the response was YES. [2023-10-12 17:37:53,717 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:37:53,721 INFO L201 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:37:53 BoogieIcfgContainer [2023-10-12 17:37:53,721 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:37:53,721 INFO L158 Benchmark]: Toolchain (without parser) took 6516.01ms. Allocated memory was 237.0MB in the beginning and 593.5MB in the end (delta: 356.5MB). Free memory was 190.2MB in the beginning and 394.7MB in the end (delta: -204.5MB). Peak memory consumption was 303.7MB. Max. memory is 8.0GB. [2023-10-12 17:37:53,722 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 237.0MB. Free memory was 191.4MB in the beginning and 191.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:37:53,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.46ms. Allocated memory is still 237.0MB. Free memory was 190.1MB in the beginning and 188.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:37:53,722 INFO L158 Benchmark]: Boogie Preprocessor took 17.78ms. Allocated memory is still 237.0MB. Free memory was 188.6MB in the beginning and 187.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:37:53,722 INFO L158 Benchmark]: RCFGBuilder took 233.12ms. Allocated memory is still 237.0MB. Free memory was 187.5MB in the beginning and 177.4MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:37:53,722 INFO L158 Benchmark]: BuchiAutomizer took 6241.91ms. Allocated memory was 237.0MB in the beginning and 593.5MB in the end (delta: 356.5MB). Free memory was 177.2MB in the beginning and 394.7MB in the end (delta: -217.5MB). Peak memory consumption was 291.1MB. Max. memory is 8.0GB. [2023-10-12 17:37:53,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20ms. Allocated memory is still 237.0MB. Free memory was 191.4MB in the beginning and 191.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.46ms. Allocated memory is still 237.0MB. Free memory was 190.1MB in the beginning and 188.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.78ms. Allocated memory is still 237.0MB. Free memory was 188.6MB in the beginning and 187.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 233.12ms. Allocated memory is still 237.0MB. Free memory was 187.5MB in the beginning and 177.4MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 6241.91ms. Allocated memory was 237.0MB in the beginning and 593.5MB in the end (delta: 356.5MB). Free memory was 177.2MB in the beginning and 394.7MB in the end (delta: -217.5MB). Peak memory consumption was 291.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x1 + n and consists of 6 locations. One deterministic module has affine ranking function n + -1 * x2 and consists of 6 locations. One deterministic module has affine ranking function -1 * x3 + n and consists of 6 locations. One deterministic module has affine ranking function -1 * x4 + n and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 5 iterations. TraceHistogramMax:0. Analysis of lassos took 2.9s. Construction of modules took 0.6s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 749 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 749 mSDsluCounter, 936 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1254 IncrementalHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 496 mSDtfsCounter, 1254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital37 mio100 ax100 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 50 PlacesBefore, 28 PlacesAfterwards, 41 TransitionsBefore, 19 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 23 TotalNumberOfCompositions, 588 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 474, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 474, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 588, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 474, unknown conditional: 0, unknown unconditional: 474] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:37:53,733 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 Received shutdown request...