/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-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:38:52,935 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:38:53,001 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 17:38:53,020 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:38:53,020 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:38:53,021 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:38:53,022 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:38:53,022 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:38:53,022 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:38:53,029 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:38:53,029 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:38:53,029 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:38:53,029 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:38:53,029 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:38:53,038 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:38:53,038 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:38:53,038 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:38:53,039 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:38:53,039 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:38:53,039 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:38:53,039 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:38:53,039 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:38:53,039 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:38:53,040 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:38:53,040 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:38:53,040 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:38:53,040 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:38:53,040 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:38:53,040 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:38:53,040 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:38:53,041 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:38:53,041 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:38:53,041 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:38:53,043 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:38:53,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:38:53,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:38:53,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:38:53,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:38:53,266 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:38:53,267 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:38:53,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2023-10-12 17:38:53,268 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2023-10-12 17:38:53,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:38:53,288 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:38:53,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:53,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:38:53,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:38:53,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,309 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:38:53,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:53,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:38:53,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:38:53,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:38:53,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:38:53,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:38:53,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:38:53,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:38:53,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/1) ... [2023-10-12 17:38:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:53,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:53,363 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 17:38:53,381 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 17:38:53,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:38:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:38:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:38:53,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:38:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:38:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:38:53,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:38:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:38:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:38:53,399 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 17:38:53,435 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:38:53,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:38:53,519 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:38:53,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:38:53,536 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:38:53,537 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:53 BoogieIcfgContainer [2023-10-12 17:38:53,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:38:53,538 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:38:53,538 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:38:53,542 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:38:53,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:53,543 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:53" (1/2) ... [2023-10-12 17:38:53,544 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1924f505 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:38:53, skipping insertion in model container [2023-10-12 17:38:53,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:53,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:53" (2/2) ... [2023-10-12 17:38:53,545 INFO L332 chiAutomizerObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2023-10-12 17:38:53,587 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:38:53,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 68 flow [2023-10-12 17:38:53,621 INFO L124 PetriNetUnfolderBase]: 2/22 cut-off events. [2023-10-12 17:38:53,622 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:38:53,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2023-10-12 17:38:53,625 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 26 transitions, 68 flow [2023-10-12 17:38:53,627 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 22 transitions, 56 flow [2023-10-12 17:38:53,629 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:38:53,638 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 22 transitions, 56 flow [2023-10-12 17:38:53,640 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 22 transitions, 56 flow [2023-10-12 17:38:53,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 56 flow [2023-10-12 17:38:53,644 INFO L124 PetriNetUnfolderBase]: 2/22 cut-off events. [2023-10-12 17:38:53,644 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:38:53,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2023-10-12 17:38:53,645 INFO L119 LiptonReduction]: Number of co-enabled transitions 58 [2023-10-12 17:38:53,828 INFO L134 LiptonReduction]: Checked pairs total: 106 [2023-10-12 17:38:53,828 INFO L136 LiptonReduction]: Total number of compositions: 10 [2023-10-12 17:38:53,837 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:38:53,837 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:38:53,837 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:38:53,837 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:38:53,837 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:38:53,838 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:38:53,838 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:38:53,838 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:38:53,838 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 18 places, 13 transitions, 38 flow [2023-10-12 17:38:53,841 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L50: Formula: (and (= v_m_27 0) (= v_T_11 v_t_41) (< 0 v_s_65) (= v_s_65 v_S_9) (< 0 v_t_41)) InVars {m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} OutVars{m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} AuxVars[] AssignedVars[][12], 2:2A:[71] L50-->L20-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][2]][4:3A:[61] L20-1-->L20: Formula: (or (< 0 v_s_1) (< 0 v_t_1)) InVars {t=v_t_1, s=v_s_1} OutVars{t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[][5], 5:4A:[63] L20-->L20-1: 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 17:38:53,843 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:53,843 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:38:53,843 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:53,843 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:53,845 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:38:53,845 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 18 places, 13 transitions, 38 flow [2023-10-12 17:38:53,847 ERROR L47 etriNetUnfolderRabin]: [1:1A:[86] $Ultimate##0-->L50: Formula: (and (= v_m_27 0) (= v_T_11 v_t_41) (< 0 v_s_65) (= v_s_65 v_S_9) (< 0 v_t_41)) InVars {m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} OutVars{m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} AuxVars[] AssignedVars[][12], 2:2A:[71] L50-->L20-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][2]][4:3A:[61] L20-1-->L20: Formula: (or (< 0 v_s_1) (< 0 v_t_1)) InVars {t=v_t_1, s=v_s_1} OutVars{t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[][5], 5:4A:[63] L20-->L20-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s][3]] [2023-10-12 17:38:53,847 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:53,847 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:38:53,847 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:53,847 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:53,850 INFO L748 eck$LassoCheckResult]: Stem: 33#[$Ultimate##0]true [86] $Ultimate##0-->L50: Formula: (and (= v_m_27 0) (= v_T_11 v_t_41) (< 0 v_s_65) (= v_s_65 v_S_9) (< 0 v_t_41)) InVars {m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} OutVars{m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} AuxVars[] AssignedVars[] 35#[L50]true [71] L50-->L20-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 37#[L20-1, L50-1]true [2023-10-12 17:38:53,851 INFO L750 eck$LassoCheckResult]: Loop: 37#[L20-1, L50-1]true [61] L20-1-->L20: Formula: (or (< 0 v_s_1) (< 0 v_t_1)) InVars {t=v_t_1, s=v_s_1} OutVars{t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[] 40#[L50-1, L20]true [63] L20-->L20-1: 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] 37#[L20-1, L50-1]true [2023-10-12 17:38:53,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:53,855 INFO L85 PathProgramCache]: Analyzing trace with hash 3698, now seen corresponding path program 1 times [2023-10-12 17:38:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:53,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596301315] [2023-10-12 17:38:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:53,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:53,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:53,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash 2915, now seen corresponding path program 1 times [2023-10-12 17:38:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:53,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220505134] [2023-10-12 17:38:53,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:53,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:53,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:53,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:53,988 INFO L85 PathProgramCache]: Analyzing trace with hash 3555732, now seen corresponding path program 1 times [2023-10-12 17:38:53,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:53,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170082293] [2023-10-12 17:38:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:53,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:53,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:54,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:54,116 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:54,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:54,117 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:54,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:54,117 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:38:54,117 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:54,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:54,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: threaded-sum-2.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:38:54,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:54,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:54,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:38:54,137 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 17:38:54,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:54,292 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:38:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,307 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 17:38:54,310 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 17:38:54,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:54,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:54,332 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:38:54,332 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 17:38:54,337 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 17:38:54,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,339 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 17:38:54,341 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 17:38:54,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:54,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:54,365 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 17:38:54,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,367 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 17:38:54,372 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 17:38:54,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:38:54,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:54,423 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:38:54,429 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 17:38:54,429 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:54,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:54,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:54,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:54,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:54,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,430 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:54,430 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:54,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: threaded-sum-2.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:38:54,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:54,430 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:54,431 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 17:38:54,435 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 17:38:54,583 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:54,586 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:54,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,589 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 17:38:54,592 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 17:38:54,593 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 17:38:54,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:54,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:54,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:54,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:54,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:54,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:54,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:54,633 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 17:38:54,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,635 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 17:38:54,638 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 17:38:54,641 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 17:38:54,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:54,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:54,647 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:54,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:54,670 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:38:54,671 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:38:54,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:54,706 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 17:38:54,706 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-10-12 17:38:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,708 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 17:38:54,710 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 17:38:54,711 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 17:38:54,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:54,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:54,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:54,719 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:38:54,722 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:38:54,722 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:38:54,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:54,753 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 17:38:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,754 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 17:38:54,757 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 17:38:54,759 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 17:38:54,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:54,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:54,765 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:54,765 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:38:54,789 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-10-12 17:38:54,789 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:38:54,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:54,838 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 17:38:54,838 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-10-12 17:38:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,840 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 17:38:54,846 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 17:38:54,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:54,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:54,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:54,853 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:38:54,856 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:38:54,856 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:38:54,856 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 17:38:54,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:54,889 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 17:38:54,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,892 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 17:38:54,905 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 17:38:54,912 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 17:38:54,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:54,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:54,913 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:54,913 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:38:54,935 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-10-12 17:38:54,935 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-10-12 17:38:54,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:54,987 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 17:38:54,987 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-10-12 17:38:54,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:54,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:54,989 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 17:38:54,991 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 17:38:54,993 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 17:38:54,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:55,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:55,000 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:38:55,008 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:38:55,008 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:38:55,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,030 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 17:38:55,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,031 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 17:38:55,033 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 17:38:55,035 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 17:38:55,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:55,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,042 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:55,042 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:38:55,072 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-10-12 17:38:55,073 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2023-10-12 17:38:55,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,133 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 17:38:55,133 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-10-12 17:38:55,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,135 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 17:38:55,137 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 17:38:55,139 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 17:38:55,144 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,145 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:38:55,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:55,145 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:38:55,147 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:38:55,147 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:38:55,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,166 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 17:38:55,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,168 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 17:38:55,169 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 17:38:55,171 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 17:38:55,177 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,178 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:38:55,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,178 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:55,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:38:55,192 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-10-12 17:38:55,192 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:38:55,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,235 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 17:38:55,235 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-10-12 17:38:55,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,241 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 17:38:55,243 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 17:38:55,244 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 17:38:55,250 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,251 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:38:55,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:55,251 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:38:55,253 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:38:55,253 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:38:55,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,276 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 17:38:55,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,277 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 17:38:55,284 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 17:38:55,289 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 17:38:55,292 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,292 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:38:55,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,292 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:55,292 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:38:55,316 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-10-12 17:38:55,318 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-10-12 17:38:55,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,384 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 17:38:55,384 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-10-12 17:38:55,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,385 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 17:38:55,388 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 17:38:55,390 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 17:38:55,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,396 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:38:55,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:55,396 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:38:55,400 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:38:55,400 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:38:55,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,425 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 17:38:55,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,426 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 17:38:55,430 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 17:38:55,431 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 17:38:55,438 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,438 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:38:55,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:55,438 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:38:55,471 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-10-12 17:38:55,471 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2023-10-12 17:38:55,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,599 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 17:38:55,600 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-10-12 17:38:55,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,602 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 17:38:55,605 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 17:38:55,606 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 17:38:55,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,612 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:38:55,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:55,613 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:38:55,615 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:38:55,615 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:38:55,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,640 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 17:38:55,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,641 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 17:38:55,649 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 17:38:55,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,655 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:38:55,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,655 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:55,655 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:38:55,673 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-10-12 17:38:55,673 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-10-12 17:38:55,673 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 17:38:55,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,727 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 17:38:55,728 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-10-12 17:38:55,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,729 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 17:38:55,731 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 17:38:55,732 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 17:38:55,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,739 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:38:55,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:55,739 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-10-12 17:38:55,742 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-10-12 17:38:55,743 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:38:55,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,779 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 17:38:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:55,780 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 17:38:55,782 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 17:38:55,784 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 17:38:55,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:38:55,790 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:38:55,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:55,790 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:55,790 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-10-12 17:38:55,815 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2023-10-12 17:38:55,815 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:38:55,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:55,877 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 17:38:55,877 INFO L371 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-10-12 17:38:55,878 INFO L748 eck$LassoCheckResult]: Stem: 33#[$Ultimate##0]true [86] $Ultimate##0-->L50: Formula: (and (= v_m_27 0) (= v_T_11 v_t_41) (< 0 v_s_65) (= v_s_65 v_S_9) (< 0 v_t_41)) InVars {m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} OutVars{m=v_m_27, t=v_t_41, T=v_T_11, s=v_s_65, S=v_S_9} AuxVars[] AssignedVars[] 35#[L50]true [71] L50-->L20-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 37#[L20-1, L50-1]true [61] L20-1-->L20: Formula: (or (< 0 v_s_1) (< 0 v_t_1)) InVars {t=v_t_1, s=v_s_1} OutVars{t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[] 40#[L50-1, L20]true [63] L20-->L20-1: Formula: (or (and (= (+ v_s_Out_2 1) v_s_In_1) (< 0 v_s_In_1) (= (+ v_m_In_1 1) v_m_Out_2)) (and (= v_s_In_1 v_s_Out_2) (= v_m_Out_2 v_m_In_1) (<= v_s_In_1 0))) InVars {m=v_m_In_1, s=v_s_In_1} OutVars{m=v_m_Out_2, s=v_s_Out_2} AuxVars[] AssignedVars[m, s] 37#[L20-1, L50-1]true [2023-10-12 17:38:55,878 INFO L750 eck$LassoCheckResult]: Loop: 37#[L20-1, L50-1]true [61] L20-1-->L20: Formula: (or (< 0 v_s_1) (< 0 v_t_1)) InVars {t=v_t_1, s=v_s_1} OutVars{t=v_t_1, s=v_s_1} AuxVars[] AssignedVars[] 40#[L50-1, L20]true [63] L20-->L20-1: 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] 37#[L20-1, L50-1]true [2023-10-12 17:38:55,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:55,878 INFO L85 PathProgramCache]: Analyzing trace with hash 3555732, now seen corresponding path program 2 times [2023-10-12 17:38:55,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:55,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727340969] [2023-10-12 17:38:55,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:55,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:55,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:55,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2915, now seen corresponding path program 2 times [2023-10-12 17:38:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058893331] [2023-10-12 17:38:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:55,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:55,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:55,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash -877906890, now seen corresponding path program 3 times [2023-10-12 17:38:55,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:55,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116412747] [2023-10-12 17:38:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:55,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:55,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:55,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:56,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:56,060 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:38:56 BoogieIcfgContainer [2023-10-12 17:38:56,061 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:38:56,063 INFO L158 Benchmark]: Toolchain (without parser) took 2774.02ms. Allocated memory was 229.6MB in the beginning and 310.4MB in the end (delta: 80.7MB). Free memory was 180.7MB in the beginning and 237.6MB in the end (delta: -57.0MB). Peak memory consumption was 23.2MB. Max. memory is 8.0GB. [2023-10-12 17:38:56,065 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 229.6MB. Free memory was 181.9MB in the beginning and 181.8MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:56,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.97ms. Allocated memory is still 229.6MB. Free memory was 180.7MB in the beginning and 179.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:56,065 INFO L158 Benchmark]: Boogie Preprocessor took 14.36ms. Allocated memory is still 229.6MB. Free memory was 179.1MB in the beginning and 178.1MB in the end (delta: 998.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:56,065 INFO L158 Benchmark]: RCFGBuilder took 210.36ms. Allocated memory is still 229.6MB. Free memory was 178.1MB in the beginning and 200.0MB in the end (delta: -21.9MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:56,066 INFO L158 Benchmark]: BuchiAutomizer took 2523.27ms. Allocated memory was 229.6MB in the beginning and 310.4MB in the end (delta: 80.7MB). Free memory was 199.7MB in the beginning and 237.6MB in the end (delta: -37.9MB). Peak memory consumption was 42.8MB. Max. memory is 8.0GB. [2023-10-12 17:38:56,067 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 0.23ms. Allocated memory is still 229.6MB. Free memory was 181.9MB in the beginning and 181.8MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.97ms. Allocated memory is still 229.6MB. Free memory was 180.7MB in the beginning and 179.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.36ms. Allocated memory is still 229.6MB. Free memory was 179.1MB in the beginning and 178.1MB in the end (delta: 998.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 210.36ms. Allocated memory is still 229.6MB. Free memory was 178.1MB in the beginning and 200.0MB in the end (delta: -21.9MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 2523.27ms. Allocated memory was 229.6MB in the beginning and 310.4MB in the end (delta: 80.7MB). Free memory was 199.7MB in the beginning and 237.6MB in the end (delta: -37.9MB). Peak memory consumption was 42.8MB. 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 2.4s and 1 iterations. TraceHistogramMax:0. Analysis of lassos took 2.1s. 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: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 19]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L45] 0 assume m == 0; [L46] 0 assume 0 < t; [L47] 0 assume 0 < s; [L48] 0 assume t == T; [L49] 0 assume s == S; VAL [S=1, T=1, m=0, s=1, t=1] [L50] FORK 0 fork 1 thread1(); VAL [S=1, T=1, m=0, s=1, t=1] [L19] COND TRUE 1 0 < s || 0 < t VAL [S=1, T=1, m=0, s=1, t=1] [L22] 1 assume 0 < s; [L23] 1 s := s - 1; [L24] 1 m := m + 1; VAL [S=1, T=1, m=1, s=0, t=1] Loop: [L19] COND TRUE 0 < s || 0 < t [L22] assume 0 < s; [L23] s := s - 1; [L24] m := m + 1; End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 19]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L45] 0 assume m == 0; [L46] 0 assume 0 < t; [L47] 0 assume 0 < s; [L48] 0 assume t == T; [L49] 0 assume s == S; VAL [S=1, T=1, m=0, s=1, t=1] [L50] FORK 0 fork 1 thread1(); VAL [S=1, T=1, m=0, s=1, t=1] [L19] COND TRUE 1 0 < s || 0 < t VAL [S=1, T=1, m=0, s=1, t=1] [L22] 1 assume 0 < s; [L23] 1 s := s - 1; [L24] 1 m := m + 1; VAL [S=1, T=1, m=1, s=0, t=1] Loop: [L19] COND TRUE 0 < s || 0 < t [L22] assume 0 < s; [L23] s := s - 1; [L24] m := m + 1; End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 27 PlacesBefore, 18 PlacesAfterwards, 22 TransitionsBefore, 13 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 106 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 89, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 89, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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 17:38:56,097 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...