/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/popl20/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:42:40,520 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:42:40,596 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 17:42:40,627 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:42:40,630 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:42:40,630 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:42:40,631 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:42:40,632 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:42:40,632 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:42:40,635 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:42:40,636 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:42:40,636 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:42:40,636 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:42:40,637 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:42:40,638 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:42:40,638 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:42:40,638 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:42:40,639 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:42:40,639 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:42:40,639 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:42:40,639 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:42:40,640 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:42:40,641 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:42:40,641 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:42:40,641 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:42:40,641 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:42:40,641 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:42:40,642 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:42:40,642 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:42:40,642 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:42:40,643 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:42:40,643 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:42:40,643 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:42:40,644 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:42:40,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:42:40,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:42:40,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:42:40,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:42:40,916 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:42:40,917 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:42:40,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2023-10-12 17:42:40,918 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2023-10-12 17:42:40,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:42:40,945 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:42:40,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:42:40,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:42:40,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:42:40,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,976 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:42:40,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:42:40,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:42:40,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:42:40,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:42:40,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:40,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:41,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:41,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:41,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:42:41,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:42:41,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:42:41,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:42:41,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/1) ... [2023-10-12 17:42:41,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:41,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:41,038 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 17:42:41,048 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 17:42:41,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:42:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:42:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:42:41,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:42:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:42:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:42:41,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:42:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:42:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:42:41,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:42:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:42:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:42:41,087 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 17:42:41,130 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:42:41,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:42:41,252 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:42:41,279 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:42:41,279 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:42:41,281 INFO L201 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:42:41 BoogieIcfgContainer [2023-10-12 17:42:41,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:42:41,282 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:42:41,282 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:42:41,286 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:42:41,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:42:41,287 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:42:40" (1/2) ... [2023-10-12 17:42:41,288 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@175faad1 and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:42:41, skipping insertion in model container [2023-10-12 17:42:41,288 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:42:41,288 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:42:41" (2/2) ... [2023-10-12 17:42:41,290 INFO L332 chiAutomizerObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2023-10-12 17:42:41,360 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:42:41,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 36 transitions, 96 flow [2023-10-12 17:42:41,430 INFO L124 PetriNetUnfolderBase]: 3/30 cut-off events. [2023-10-12 17:42:41,430 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:42:41,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 3/30 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:42:41,435 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 36 transitions, 96 flow [2023-10-12 17:42:41,439 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 30 transitions, 78 flow [2023-10-12 17:42:41,441 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:42:41,454 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 78 flow [2023-10-12 17:42:41,456 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 78 flow [2023-10-12 17:42:41,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 78 flow [2023-10-12 17:42:41,467 INFO L124 PetriNetUnfolderBase]: 3/30 cut-off events. [2023-10-12 17:42:41,467 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:42:41,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 3/30 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:42:41,468 INFO L119 LiptonReduction]: Number of co-enabled transitions 164 [2023-10-12 17:42:41,778 INFO L134 LiptonReduction]: Checked pairs total: 354 [2023-10-12 17:42:41,778 INFO L136 LiptonReduction]: Total number of compositions: 13 [2023-10-12 17:42:41,790 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:42:41,790 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:42:41,790 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:42:41,790 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:42:41,790 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:42:41,790 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:42:41,790 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:42:41,791 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:42:41,791 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 25 places, 18 transitions, 54 flow [2023-10-12 17:42:41,795 ERROR L47 etriNetUnfolderRabin]: [1:1A:[126] $Ultimate##0-->L71: Formula: (and (= v_U_16 v_u_60) (= v_S_16 v_s_64) (< 0 v_S_16) (= v_T_14 v_t_88) (= v_m_21 0) (< 0 v_T_14) (< 0 v_U_16)) InVars {m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} OutVars{m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} AuxVars[] AssignedVars[][17], 2:2A:[104] L71-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][2]][4:3A:[90] L22-1-->L22: Formula: (or (< 0 v_s_1) (< 0 v_u_1) (< 0 v_t_1)) InVars {u=v_u_1, t=v_t_1, s=v_s_1} OutVars{u=v_u_1, t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[][9], 5:4A:[92] L22-->L22-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s][3]] [2023-10-12 17:42:41,796 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:42:41,797 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:42:41,797 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:42:41,797 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:42:41,799 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:42:41,800 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 25 places, 18 transitions, 54 flow [2023-10-12 17:42:41,801 ERROR L47 etriNetUnfolderRabin]: [1:1A:[126] $Ultimate##0-->L71: Formula: (and (= v_U_16 v_u_60) (= v_S_16 v_s_64) (< 0 v_S_16) (= v_T_14 v_t_88) (= v_m_21 0) (< 0 v_T_14) (< 0 v_U_16)) InVars {m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} OutVars{m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} AuxVars[] AssignedVars[][17], 2:2A:[104] L71-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][2]][4:3A:[90] L22-1-->L22: Formula: (or (< 0 v_s_1) (< 0 v_u_1) (< 0 v_t_1)) InVars {u=v_u_1, t=v_t_1, s=v_s_1} OutVars{u=v_u_1, t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[][9], 5:4A:[92] L22-->L22-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s][3]] [2023-10-12 17:42:41,801 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:42:41,801 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:42:41,802 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:42:41,802 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:42:41,806 INFO L748 eck$LassoCheckResult]: Stem: 44#[$Ultimate##0]true [126] $Ultimate##0-->L71: Formula: (and (= v_U_16 v_u_60) (= v_S_16 v_s_64) (< 0 v_S_16) (= v_T_14 v_t_88) (= v_m_21 0) (< 0 v_T_14) (< 0 v_U_16)) InVars {m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} OutVars{m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} AuxVars[] AssignedVars[] 46#[L71]true [104] L71-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 48#[L22-1, L71-1]true [2023-10-12 17:42:41,806 INFO L750 eck$LassoCheckResult]: Loop: 48#[L22-1, L71-1]true [90] L22-1-->L22: Formula: (or (< 0 v_s_1) (< 0 v_u_1) (< 0 v_t_1)) InVars {u=v_u_1, t=v_t_1, s=v_s_1} OutVars{u=v_u_1, t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[] 51#[L71-1, L22]true [92] L22-->L22-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s] 48#[L22-1, L71-1]true [2023-10-12 17:42:41,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:42:41,811 INFO L85 PathProgramCache]: Analyzing trace with hash 4971, now seen corresponding path program 1 times [2023-10-12 17:42:41,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:42:41,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410124410] [2023-10-12 17:42:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:42:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:42:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:41,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:41,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:42:41,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:42:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash 3843, now seen corresponding path program 1 times [2023-10-12 17:42:41,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:42:41,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589860068] [2023-10-12 17:42:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:42:41,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:42:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:41,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:41,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:42:41,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:42:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash 4780013, now seen corresponding path program 1 times [2023-10-12 17:42:41,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:42:41,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816459082] [2023-10-12 17:42:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:42:41,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:42:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:41,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:41,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:42:42,172 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:42:42,173 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:42:42,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:42:42,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:42:42,173 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:42:42,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:42,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:42:42,174 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:42:42,174 INFO L133 ssoRankerPreferences]: Filename of dumped script: threaded-sum-3.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:42:42,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:42:42,174 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:42:42,192 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 17:42:42,270 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 17:42:42,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:42:42,474 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:42:42,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:42,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:42,479 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 17:42:42,480 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 17:42:42,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:42:42,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:42:42,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:42,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:42,532 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 17:42:42,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:42:42,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:42:42,569 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 17:42:42,614 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:42:42,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:42,619 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:42:42,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:42:42,619 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:42:42,619 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:42:42,619 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:42:42,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:42,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:42:42,620 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:42:42,620 INFO L133 ssoRankerPreferences]: Filename of dumped script: threaded-sum-3.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:42:42,620 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:42:42,620 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:42:42,622 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 17:42:42,685 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 17:42:42,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:42:42,849 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:42:42,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:42,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:42,853 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 17:42:42,856 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 17:42:42,858 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 17:42:42,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:42,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:42,868 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:42,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:42:42,911 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:42:42,911 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:42:42,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:42,982 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 17:42:42,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:42,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:42,985 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 17:42:42,996 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 17:42:43,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:43,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:42:43,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:42:43,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:42:43,012 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 17:42:43,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:43,031 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-10-12 17:42:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,033 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 17:42:43,042 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 17:42:43,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,052 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:43,052 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:42:43,070 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 17:42:43,105 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2023-10-12 17:42:43,105 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2023-10-12 17:42:43,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:43,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,209 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 17:42:43,212 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 17:42:43,214 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 17:42:43,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:43,223 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:42:43,226 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:42:43,226 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:42:43,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,256 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 17:42:43,256 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-10-12 17:42:43,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,258 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 17:42:43,260 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 17:42:43,262 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 17:42:43,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,271 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:43,271 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:42:43,324 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2023-10-12 17:42:43,324 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:42:43,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:43,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,427 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 17:42:43,429 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 17:42:43,431 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 17:42:43,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:43,439 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:42:43,442 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:42:43,442 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:42:43,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,465 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 17:42:43,466 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-10-12 17:42:43,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,468 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 17:42:43,477 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 17:42:43,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,489 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:43,489 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:42:43,509 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 17:42:43,551 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2023-10-12 17:42:43,551 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2023-10-12 17:42:43,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,687 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 17:42:43,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,689 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 17:42:43,697 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 17:42:43,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:42:43,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:43,706 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:42:43,711 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:42:43,711 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:42:43,718 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 17:42:43,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,732 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 17:42:43,734 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-10-12 17:42:43,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,736 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 17:42:43,739 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 17:42:43,740 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 17:42:43,749 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:43,749 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:42:43,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,750 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:43,750 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:42:43,787 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2023-10-12 17:42:43,788 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2023-10-12 17:42:43,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:43,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,879 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 17:42:43,891 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 17:42:43,891 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 17:42:43,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:43,900 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:42:43,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:43,900 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:42:43,903 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:42:43,903 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:42:43,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:43,931 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 17:42:43,932 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-10-12 17:42:43,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:43,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:43,934 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 17:42:43,936 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 17:42:43,938 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 17:42:43,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:43,947 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:42:43,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:43,947 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:43,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:42:43,994 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2023-10-12 17:42:43,994 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:42:44,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,109 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 17:42:44,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:44,110 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 17:42:44,128 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 17:42:44,136 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:44,136 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:42:44,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:44,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:44,137 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:42:44,140 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:42:44,140 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:42:44,147 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 17:42:44,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,163 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 17:42:44,163 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-10-12 17:42:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:44,167 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 17:42:44,176 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 17:42:44,185 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 17:42:44,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:44,189 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:42:44,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:44,189 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:44,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:42:44,245 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2023-10-12 17:42:44,245 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2023-10-12 17:42:44,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:42:44,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:44,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:44,427 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 17:42:44,435 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 17:42:44,444 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:44,444 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:42:44,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:44,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:44,444 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:42:44,448 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:42:44,448 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:42:44,464 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 17:42:44,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,475 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 17:42:44,476 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-10-12 17:42:44,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:44,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:44,477 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 17:42:44,481 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 17:42:44,482 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 17:42:44,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:44,491 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:42:44,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:44,491 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:44,492 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:42:44,534 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2023-10-12 17:42:44,534 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:42:44,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-10-12 17:42:44,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:44,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:44,626 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 17:42:44,628 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 17:42:44,629 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 17:42:44,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:44,636 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:42:44,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:44,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:44,636 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:42:44,639 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:42:44,639 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:42:44,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,660 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 17:42:44,661 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-10-12 17:42:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:44,662 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 17:42:44,671 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 17:42:44,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:44,681 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:42:44,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:44,681 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:42:44,681 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-10-12 17:42:44,699 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 17:42:44,742 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2023-10-12 17:42:44,742 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2023-10-12 17:42:44,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:44,999 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 17:42:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:42:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:42:45,001 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 17:42:45,010 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 17:42:45,018 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:42:45,018 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:42:45,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:42:45,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:42:45,018 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-10-12 17:42:45,023 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-10-12 17:42:45,023 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:42:45,025 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 17:42:45,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:42:45,046 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 17:42:45,046 INFO L371 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-10-12 17:42:45,047 INFO L748 eck$LassoCheckResult]: Stem: 44#[$Ultimate##0]true [126] $Ultimate##0-->L71: Formula: (and (= v_U_16 v_u_60) (= v_S_16 v_s_64) (< 0 v_S_16) (= v_T_14 v_t_88) (= v_m_21 0) (< 0 v_T_14) (< 0 v_U_16)) InVars {m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} OutVars{m=v_m_21, u=v_u_60, U=v_U_16, t=v_t_88, T=v_T_14, s=v_s_64, S=v_S_16} AuxVars[] AssignedVars[] 46#[L71]true [104] L71-->L22-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 48#[L22-1, L71-1]true [90] L22-1-->L22: Formula: (or (< 0 v_s_1) (< 0 v_u_1) (< 0 v_t_1)) InVars {u=v_u_1, t=v_t_1, s=v_s_1} OutVars{u=v_u_1, t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[] 51#[L71-1, L22]true [92] L22-->L22-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s] 48#[L22-1, L71-1]true [2023-10-12 17:42:45,047 INFO L750 eck$LassoCheckResult]: Loop: 48#[L22-1, L71-1]true [90] L22-1-->L22: Formula: (or (< 0 v_s_1) (< 0 v_u_1) (< 0 v_t_1)) InVars {u=v_u_1, t=v_t_1, s=v_s_1} OutVars{u=v_u_1, t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[] 51#[L71-1, L22]true [92] L22-->L22-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s] 48#[L22-1, L71-1]true [2023-10-12 17:42:45,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:42:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash 4780013, now seen corresponding path program 2 times [2023-10-12 17:42:45,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:42:45,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332369718] [2023-10-12 17:42:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:42:45,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:42:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:42:45,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:42:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash 3843, now seen corresponding path program 2 times [2023-10-12 17:42:45,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:42:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685416864] [2023-10-12 17:42:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:42:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:42:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:42:45,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:42:45,089 INFO L85 PathProgramCache]: Analyzing trace with hash 298628079, now seen corresponding path program 3 times [2023-10-12 17:42:45,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:42:45,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440735003] [2023-10-12 17:42:45,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:42:45,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:42:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:42:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:42:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:42:45,329 INFO L201 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:42:45 BoogieIcfgContainer [2023-10-12 17:42:45,329 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:42:45,330 INFO L158 Benchmark]: Toolchain (without parser) took 4385.35ms. Allocated memory was 188.7MB in the beginning and 283.1MB in the end (delta: 94.4MB). Free memory was 145.2MB in the beginning and 124.6MB in the end (delta: 20.6MB). Peak memory consumption was 117.6MB. Max. memory is 8.0GB. [2023-10-12 17:42:45,331 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 188.7MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:42:45,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.76ms. Allocated memory is still 188.7MB. Free memory was 145.0MB in the beginning and 143.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:42:45,331 INFO L158 Benchmark]: Boogie Preprocessor took 25.86ms. Allocated memory is still 188.7MB. Free memory was 143.6MB in the beginning and 142.6MB in the end (delta: 996.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:42:45,332 INFO L158 Benchmark]: RCFGBuilder took 275.45ms. Allocated memory is still 188.7MB. Free memory was 142.5MB in the beginning and 131.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:42:45,332 INFO L158 Benchmark]: BuchiAutomizer took 4047.21ms. Allocated memory was 188.7MB in the beginning and 283.1MB in the end (delta: 94.4MB). Free memory was 131.4MB in the beginning and 124.6MB in the end (delta: 6.8MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. [2023-10-12 17:42:45,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28ms. Allocated memory is still 188.7MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.76ms. Allocated memory is still 188.7MB. Free memory was 145.0MB in the beginning and 143.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.86ms. Allocated memory is still 188.7MB. Free memory was 143.6MB in the beginning and 142.6MB in the end (delta: 996.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 275.45ms. Allocated memory is still 188.7MB. Free memory was 142.5MB in the beginning and 131.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 4047.21ms. Allocated memory was 188.7MB in the beginning and 283.1MB in the end (delta: 94.4MB). Free memory was 131.4MB in the beginning and 124.6MB in the end (delta: 6.8MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 1 iterations. TraceHistogramMax:0. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 21]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L64] 0 assume m == 0; [L65] 0 assume 0 < T; [L66] 0 assume 0 < S; [L67] 0 assume 0 < U; [L68] 0 assume t == T; [L69] 0 assume s == S; [L70] 0 assume u == U; VAL [S=1, T=1, U=1, m=0, s=1, t=1, u=1] [L71] FORK 0 fork 1 thread1(); VAL [S=1, T=1, U=1, m=0, s=1, t=1, u=1] [L21] COND TRUE 1 0 < s || 0 < t || 0 < u VAL [S=1, T=1, U=1, m=0, s=1, t=1, u=1] [L24] 1 assume 0 < s; [L25] 1 s := s - 1; [L26] 1 m := m + 1; VAL [S=1, T=1, U=1, m=1, s=0, t=1, u=1] Loop: [L21] COND TRUE 0 < s || 0 < t || 0 < u [L24] assume 0 < s; [L25] s := s - 1; [L26] m := m + 1; End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 21]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L64] 0 assume m == 0; [L65] 0 assume 0 < T; [L66] 0 assume 0 < S; [L67] 0 assume 0 < U; [L68] 0 assume t == T; [L69] 0 assume s == S; [L70] 0 assume u == U; VAL [S=1, T=1, U=1, m=0, s=1, t=1, u=1] [L71] FORK 0 fork 1 thread1(); VAL [S=1, T=1, U=1, m=0, s=1, t=1, u=1] [L21] COND TRUE 1 0 < s || 0 < t || 0 < u VAL [S=1, T=1, U=1, m=0, s=1, t=1, u=1] [L24] 1 assume 0 < s; [L25] 1 s := s - 1; [L26] 1 m := m + 1; VAL [S=1, T=1, U=1, m=1, s=0, t=1, u=1] Loop: [L21] COND TRUE 0 < s || 0 < t || 0 < u [L24] assume 0 < s; [L25] s := s - 1; [L26] m := m + 1; End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 37 PlacesBefore, 25 PlacesAfterwards, 30 TransitionsBefore, 18 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 3 FixpointIterations, 9 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 354 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 194, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 87, unknown conditional: 0, unknown unconditional: 87] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be incorrect! [2023-10-12 17:42:45,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...