/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/parallel/misc-2-unrolled-atomic.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:38:27,886 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:38:27,982 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 17:38:28,008 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:38:28,008 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:38:28,009 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:38:28,009 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:38:28,010 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:38:28,010 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:38:28,010 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:38:28,010 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:38:28,011 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:38:28,011 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:38:28,011 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:38:28,011 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:38:28,011 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:38:28,012 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:38:28,012 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:38:28,012 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:38:28,012 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:38:28,013 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:38:28,013 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:38:28,013 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:38:28,013 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:38:28,014 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:38:28,014 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:38:28,014 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:38:28,014 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:38:28,015 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:38:28,015 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:38:28,015 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:38:28,015 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:38:28,015 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:38:28,016 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:38:28,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:38:28,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:38:28,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:38:28,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:38:28,221 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:38:28,222 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:38:28,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled-atomic.wvr.bpl [2023-10-12 17:38:28,223 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled-atomic.wvr.bpl' [2023-10-12 17:38:28,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:38:28,244 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:38:28,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:28,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:38:28,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:38:28,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,260 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:38:28,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:28,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:38:28,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:38:28,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:38:28,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:38:28,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:38:28,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:38:28,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:38:28,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:28,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:28,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:38:28,328 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 17:38:28,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:38:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:38:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:38:28,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:38:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:38:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:38:28,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:38:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:38:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:38:28,352 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 17:38:28,384 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:38:28,386 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:38:28,499 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:38:28,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:38:28,527 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:38:28,528 INFO L201 PluginConnector]: Adding new model misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:28 BoogieIcfgContainer [2023-10-12 17:38:28,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:38:28,529 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:38:28,529 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:38:28,532 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:38:28,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:28,533 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/2) ... [2023-10-12 17:38:28,539 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77ca5965 and model type misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:38:28, skipping insertion in model container [2023-10-12 17:38:28,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:28,539 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:28" (2/2) ... [2023-10-12 17:38:28,574 INFO L332 chiAutomizerObserver]: Analyzing ICFG misc-2-unrolled-atomic.wvr.bpl [2023-10-12 17:38:28,639 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:38:28,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 21 transitions, 58 flow [2023-10-12 17:38:28,671 INFO L124 PetriNetUnfolderBase]: 2/17 cut-off events. [2023-10-12 17:38:28,671 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:38:28,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2023-10-12 17:38:28,674 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 21 transitions, 58 flow [2023-10-12 17:38:28,676 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 46 flow [2023-10-12 17:38:28,678 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:38:28,693 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 46 flow [2023-10-12 17:38:28,694 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 46 flow [2023-10-12 17:38:28,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 17 transitions, 46 flow [2023-10-12 17:38:28,701 INFO L124 PetriNetUnfolderBase]: 2/17 cut-off events. [2023-10-12 17:38:28,702 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:38:28,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2023-10-12 17:38:28,702 INFO L119 LiptonReduction]: Number of co-enabled transitions 48 [2023-10-12 17:38:28,805 INFO L134 LiptonReduction]: Checked pairs total: 37 [2023-10-12 17:38:28,805 INFO L136 LiptonReduction]: Total number of compositions: 7 [2023-10-12 17:38:28,814 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:38:28,814 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:38:28,814 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:38:28,814 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:38:28,814 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:38:28,814 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:38:28,814 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:38:28,815 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:38:28,815 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:38:28,817 ERROR L47 etriNetUnfolderRabin]: [1:1A:[46] $Ultimate##0-->L44: Formula: (and (= v_i1_7 v_pos_9) (= v_i2_7 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} OutVars{i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} AuxVars[] AssignedVars[][4], 2:2A:[62] L44-->L18-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[71] L18-1-->L18-1: Formula: (and (= v_pos_44 v_pos_43) (= (+ 2 v_i1_25) v_i1_24) (< v_i1_25 (* 2 v_N_7))) InVars {N=v_N_7, i1=v_i1_25, pos=v_pos_44} OutVars{N=v_N_7, i1=v_i1_24, pos=v_pos_43} AuxVars[] AssignedVars[i1, pos][7]] [2023-10-12 17:38:28,819 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:28,819 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:38:28,819 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:28,819 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:28,821 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:38:28,821 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:38:28,822 ERROR L47 etriNetUnfolderRabin]: [1:1A:[46] $Ultimate##0-->L44: Formula: (and (= v_i1_7 v_pos_9) (= v_i2_7 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} OutVars{i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} AuxVars[] AssignedVars[][4], 2:2A:[62] L44-->L18-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[71] L18-1-->L18-1: Formula: (and (= v_pos_44 v_pos_43) (= (+ 2 v_i1_25) v_i1_24) (< v_i1_25 (* 2 v_N_7))) InVars {N=v_N_7, i1=v_i1_25, pos=v_pos_44} OutVars{N=v_N_7, i1=v_i1_24, pos=v_pos_43} AuxVars[] AssignedVars[i1, pos][7]] [2023-10-12 17:38:28,822 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:28,822 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:38:28,822 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:28,822 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:28,825 INFO L748 eck$LassoCheckResult]: Stem: 28#[$Ultimate##0]true [46] $Ultimate##0-->L44: Formula: (and (= v_i1_7 v_pos_9) (= v_i2_7 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} OutVars{i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} AuxVars[] AssignedVars[] 30#[L44]true [62] L44-->L18-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 32#[L18-1, L44-1]true [2023-10-12 17:38:28,826 INFO L750 eck$LassoCheckResult]: Loop: 32#[L18-1, L44-1]true [71] L18-1-->L18-1: Formula: (and (= v_pos_44 v_pos_43) (= (+ 2 v_i1_25) v_i1_24) (< v_i1_25 (* 2 v_N_7))) InVars {N=v_N_7, i1=v_i1_25, pos=v_pos_44} OutVars{N=v_N_7, i1=v_i1_24, pos=v_pos_43} AuxVars[] AssignedVars[i1, pos] 32#[L18-1, L44-1]true [2023-10-12 17:38:28,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2449, now seen corresponding path program 1 times [2023-10-12 17:38:28,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:28,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114108798] [2023-10-12 17:38:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:28,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:28,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:28,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:28,900 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2023-10-12 17:38:28,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:28,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020332555] [2023-10-12 17:38:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:28,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:28,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:28,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:28,910 INFO L85 PathProgramCache]: Analyzing trace with hash 75990, now seen corresponding path program 1 times [2023-10-12 17:38:28,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:28,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4143868] [2023-10-12 17:38:28,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:28,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:28,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:28,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:28,956 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:28,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:28,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:28,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:28,957 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:38:28,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:28,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:28,957 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:28,957 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2-unrolled-atomic.wvr.bpl_BEv2_Iteration1_Loop [2023-10-12 17:38:28,957 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:28,958 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:28,969 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 17:38:28,978 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 17:38:29,005 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:29,005 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:38:29,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,012 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 17:38:29,014 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 17:38:29,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:29,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:29,030 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 17:38:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,032 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 17:38:29,034 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 17:38:29,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:38:29,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:29,121 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:38:29,126 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 17:38:29,126 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:29,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:29,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:29,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:29,127 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:29,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:29,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:29,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2-unrolled-atomic.wvr.bpl_BEv2_Iteration1_Loop [2023-10-12 17:38:29,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:29,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:29,128 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 17:38:29,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:38:29,181 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:29,184 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:29,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,214 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 17:38:29,218 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 17:38:29,219 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 17:38:29,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:29,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:38:29,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:29,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:29,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:29,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:38:29,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:38:29,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:38:29,242 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:38:29,242 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:38:29,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,245 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 17:38:29,313 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:38:29,313 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:38:29,314 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:38:29,314 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 2*N Supporting invariants [] [2023-10-12 17:38:29,314 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 17:38:29,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:38:29,324 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:38:29,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:29,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:38:29,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:29,359 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:38:29,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:38:29,379 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:38:29,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:38:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:38:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2023-10-12 17:38:29,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:38:29,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:29,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:38:29,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:29,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:38:29,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:29,429 INFO L430 stractBuchiCegarLoop]: Abstraction has has 20 places, 44 transitions, 224 flow [2023-10-12 17:38:29,429 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:38:29,429 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 20 places, 44 transitions, 224 flow [2023-10-12 17:38:29,430 ERROR L47 etriNetUnfolderRabin]: [1:1A:[46] $Ultimate##0-->L44: Formula: (and (= v_i1_7 v_pos_9) (= v_i2_7 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} OutVars{i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} AuxVars[] AssignedVars[][16], 2:2A:[62] L44-->L18-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0], 4:3A:[65] L44-1-->L31-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][10]][5:4A:[73] L31-1-->L31-1: Formula: (and (= v_pos_48 v_pos_47) (= (+ 2 v_i2_25) v_i2_24) (< v_i2_25 (* v_N_11 2))) InVars {N=v_N_11, i2=v_i2_25, pos=v_pos_48} OutVars{N=v_N_11, i2=v_i2_24, pos=v_pos_47} AuxVars[] AssignedVars[i2, pos][25]] [2023-10-12 17:38:29,430 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:29,430 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-10-12 17:38:29,430 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:29,430 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:29,431 INFO L748 eck$LassoCheckResult]: Stem: 28#[$Ultimate##0]true [46] $Ultimate##0-->L44: Formula: (and (= v_i1_7 v_pos_9) (= v_i2_7 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} OutVars{i1=v_i1_7, pos=v_pos_9, i2=v_i2_7} AuxVars[] AssignedVars[] 30#[L44]true [62] L44-->L18-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 32#[L18-1, L44-1]true [65] L44-1-->L31-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 67#[L31-1, L45, L18-1]true [2023-10-12 17:38:29,431 INFO L750 eck$LassoCheckResult]: Loop: 67#[L31-1, L45, L18-1]true [73] L31-1-->L31-1: Formula: (and (= v_pos_48 v_pos_47) (= (+ 2 v_i2_25) v_i2_24) (< v_i2_25 (* v_N_11 2))) InVars {N=v_N_11, i2=v_i2_25, pos=v_pos_48} OutVars{N=v_N_11, i2=v_i2_24, pos=v_pos_47} AuxVars[] AssignedVars[i2, pos] 67#[L31-1, L45, L18-1]true [2023-10-12 17:38:29,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 75984, now seen corresponding path program 1 times [2023-10-12 17:38:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:29,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026637363] [2023-10-12 17:38:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:29,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:29,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:29,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:29,438 INFO L85 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 1 times [2023-10-12 17:38:29,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:29,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880179784] [2023-10-12 17:38:29,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:29,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:29,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:29,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:29,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2355577, now seen corresponding path program 1 times [2023-10-12 17:38:29,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:29,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733562567] [2023-10-12 17:38:29,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:29,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:29,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:29,466 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:29,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:29,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:29,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:29,466 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:38:29,466 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:29,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:29,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2-unrolled-atomic.wvr.bpl_BEv2_Iteration2_Loop [2023-10-12 17:38:29,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:29,467 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:29,467 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 17:38:29,470 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 17:38:29,489 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:29,489 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:38:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,491 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 17:38:29,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:29,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:29,507 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 17:38:29,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:38:29,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {pos=0} Honda state: {pos=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-10-12 17:38:29,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-10-12 17:38:29,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,521 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 17:38:29,523 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 17:38:29,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:29,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:29,557 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 17:38:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,559 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 17:38:29,561 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 17:38:29,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:38:29,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:29,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-10-12 17:38:29,655 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:38:29,658 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 17:38:29,658 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:29,658 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:29,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:29,659 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:29,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:29,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:29,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:29,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2-unrolled-atomic.wvr.bpl_BEv2_Iteration2_Loop [2023-10-12 17:38:29,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:29,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:29,660 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 17:38:29,663 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 17:38:29,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:29,687 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:29,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,689 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 17:38:29,705 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 17:38:29,705 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 17:38:29,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:29,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:38:29,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:29,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:29,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:29,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:38:29,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:38:29,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:29,733 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 17:38:29,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,742 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 17:38:29,744 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 17:38:29,746 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 17:38:29,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:29,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:38:29,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:29,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:29,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:29,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:38:29,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:38:29,768 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:38:29,770 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:38:29,770 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:38:29,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:29,772 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 17:38:29,774 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 17:38:29,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:38:29,775 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:38:29,775 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:38:29,775 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 2*N Supporting invariants [] [2023-10-12 17:38:29,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-10-12 17:38:29,782 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:38:29,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:29,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:38:29,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:29,803 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:38:29,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:38:29,804 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:38:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:38:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:38:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2023-10-12 17:38:29,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:38:29,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:29,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:38:29,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:29,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:38:29,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:29,839 INFO L430 stractBuchiCegarLoop]: Abstraction has has 24 places, 176 transitions, 1248 flow [2023-10-12 17:38:29,840 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:38:29,840 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 24 places, 176 transitions, 1248 flow [2023-10-12 17:38:29,844 INFO L124 PetriNetUnfolderBase]: 16/32 cut-off events. [2023-10-12 17:38:29,844 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-10-12 17:38:29,844 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:38:29,848 INFO L201 PluginConnector]: Adding new model misc-2-unrolled-atomic.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:38:29 BoogieIcfgContainer [2023-10-12 17:38:29,849 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:38:29,849 INFO L158 Benchmark]: Toolchain (without parser) took 1605.38ms. Allocated memory was 196.1MB in the beginning and 352.3MB in the end (delta: 156.2MB). Free memory was 147.2MB in the beginning and 305.2MB in the end (delta: -158.0MB). Peak memory consumption was 828.1kB. Max. memory is 8.0GB. [2023-10-12 17:38:29,849 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 196.1MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:29,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.99ms. Allocated memory is still 196.1MB. Free memory was 147.0MB in the beginning and 145.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:29,850 INFO L158 Benchmark]: Boogie Preprocessor took 13.15ms. Allocated memory is still 196.1MB. Free memory was 145.5MB in the beginning and 144.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:29,850 INFO L158 Benchmark]: RCFGBuilder took 252.73ms. Allocated memory is still 196.1MB. Free memory was 144.4MB in the beginning and 134.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:38:29,851 INFO L158 Benchmark]: BuchiAutomizer took 1319.43ms. Allocated memory was 196.1MB in the beginning and 352.3MB in the end (delta: 156.2MB). Free memory was 134.0MB in the beginning and 305.2MB in the end (delta: -171.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:29,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24ms. Allocated memory is still 196.1MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.99ms. Allocated memory is still 196.1MB. Free memory was 147.0MB in the beginning and 145.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.15ms. Allocated memory is still 196.1MB. Free memory was 145.5MB in the beginning and 144.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 252.73ms. Allocated memory is still 196.1MB. Free memory was 144.4MB in the beginning and 134.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 1319.43ms. Allocated memory was 196.1MB in the beginning and 352.3MB in the end (delta: 156.2MB). Free memory was 134.0MB in the beginning and 305.2MB in the end (delta: -171.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * N + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + 2 * N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 46 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp80 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 129ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 22 PlacesBefore, 16 PlacesAfterwards, 17 TransitionsBefore, 11 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 37 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:38:29,880 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 17:38:30,070 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...