/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/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/MirabelleConcurrentIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-ed1a3e5-m [2022-09-29 14:47:44,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 14:47:44,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 14:47:44,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-29 14:47:44,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 14:47:44,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 14:47:44,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 14:47:44,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-09-29 14:47:44,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 14:47:44,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 14:47:44,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 14:47:44,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 14:47:44,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 14:47:44,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 14:47:44,202 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 14:47:44,203 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 14:47:44,203 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 14:47:44,203 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 14:47:44,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 14:47:44,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 14:47:44,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 14:47:44,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 14:47:44,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 14:47:44,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 14:47:44,206 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 14:47:44,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 14:47:44,206 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 14:47:44,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 14:47:44,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 14:47:44,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 14:47:44,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 14:47:44,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 14:47:44,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 14:47:44,209 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 14:47:44,209 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 14:47:44,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 14:47:44,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 14:47:44,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 14:47:44,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 14:47:44,487 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 14:47:44,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/MirabelleConcurrentIncrement.bpl [2022-09-29 14:47:44,489 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/MirabelleConcurrentIncrement.bpl' [2022-09-29 14:47:44,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 14:47:44,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 14:47:44,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 14:47:44,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 14:47:44,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 14:47:44,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,531 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 14:47:44,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 14:47:44,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 14:47:44,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 14:47:44,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 14:47:44,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 14:47:44,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 14:47:44,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 14:47:44,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 14:47:44,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/1) ... [2022-09-29 14:47:44,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:44,580 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) [2022-09-29 14:47:44,585 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 [2022-09-29 14:47:44,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 14:47:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 14:47:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 14:47:44,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2022-09-29 14:47:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2022-09-29 14:47:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2022-09-29 14:47:44,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2022-09-29 14:47:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2022-09-29 14:47:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2022-09-29 14:47:44,614 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 14:47:44,652 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 14:47:44,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 14:47:44,710 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 14:47:44,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 14:47:44,717 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 14:47:44,718 INFO L202 PluginConnector]: Adding new model MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 02:47:44 BoogieIcfgContainer [2022-09-29 14:47:44,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 14:47:44,719 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 14:47:44,719 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 14:47:44,724 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 14:47:44,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 14:47:44,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:44" (1/2) ... [2022-09-29 14:47:44,726 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cc33fe1 and model type MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 02:47:44, skipping insertion in model container [2022-09-29 14:47:44,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 14:47:44,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 02:47:44" (2/2) ... [2022-09-29 14:47:44,728 INFO L322 chiAutomizerObserver]: Analyzing ICFG MirabelleConcurrentIncrement.bpl [2022-09-29 14:47:44,798 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-09-29 14:47:44,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 22 transitions, 66 flow [2022-09-29 14:47:44,857 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 14:47:44,857 INFO L123 PetriNetUnfolderBase]: 3/18 cut-off events. [2022-09-29 14:47:44,858 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 14:47:44,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 3/18 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 18 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 13. Up to 3 conditions per place. [2022-09-29 14:47:44,861 INFO L82 GeneralOperation]: Start removeDead. Operand has 23 places, 22 transitions, 66 flow [2022-09-29 14:47:44,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 18 transitions, 54 flow [2022-09-29 14:47:44,872 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 14:47:44,897 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 18 transitions, 54 flow [2022-09-29 14:47:44,900 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 18 transitions, 54 flow [2022-09-29 14:47:44,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 18 transitions, 54 flow [2022-09-29 14:47:44,909 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 14:47:44,909 INFO L123 PetriNetUnfolderBase]: 3/18 cut-off events. [2022-09-29 14:47:44,909 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 14:47:44,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 3/18 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 13. Up to 3 conditions per place. [2022-09-29 14:47:44,911 INFO L116 LiptonReduction]: Number of co-enabled transitions 56 [2022-09-29 14:47:45,035 INFO L131 LiptonReduction]: Checked pairs total: 36 [2022-09-29 14:47:45,035 INFO L133 LiptonReduction]: Total number of compositions: 5 [2022-09-29 14:47:45,052 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 14:47:45,052 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 14:47:45,052 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 14:47:45,052 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 14:47:45,052 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 14:47:45,052 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 14:47:45,053 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 14:47:45,053 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 14:47:45,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 14:47:45,114 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-09-29 14:47:45,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 14:47:45,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 14:47:45,134 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-09-29 14:47:45,134 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 14:47:45,135 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 14:47:45,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 14 states, but on-demand construction may add more states [2022-09-29 14:47:45,136 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-09-29 14:47:45,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 14:47:45,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 14:47:45,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-09-29 14:47:45,137 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 14:47:45,141 INFO L733 eck$LassoCheckResult]: Stem: 26#[ULTIMATE.startENTRY]don't care [24] ULTIMATE.startENTRY-->L18: Formula: (= v_y_1 v_x_1) InVars {y=v_y_1, x=v_x_1} OutVars{y=v_y_1, x=v_x_1} AuxVars[] AssignedVars[] 29#[L18]don't care [48] L18-->L31: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 31#[L18-1, L31]don't care [2022-09-29 14:47:45,142 INFO L735 eck$LassoCheckResult]: Loop: 31#[L18-1, L31]don't care [57] L31-->L31: Formula: (and (= (+ v_x_9 1) v_x_8) (< v_x_9 v_n_7)) InVars {n=v_n_7, x=v_x_9} OutVars{n=v_n_7, x=v_x_8} AuxVars[] AssignedVars[x] 31#[L18-1, L31]don't care [2022-09-29 14:47:45,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1753, now seen corresponding path program 1 times [2022-09-29 14:47:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 14:47:45,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213335467] [2022-09-29 14:47:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 14:47:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 14:47:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,228 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 14:47:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 14:47:45,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,251 INFO L85 PathProgramCache]: Analyzing trace with hash 88, now seen corresponding path program 1 times [2022-09-29 14:47:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 14:47:45,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992476450] [2022-09-29 14:47:45,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 14:47:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 14:47:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,266 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 14:47:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 14:47:45,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,278 INFO L85 PathProgramCache]: Analyzing trace with hash 54400, now seen corresponding path program 1 times [2022-09-29 14:47:45,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 14:47:45,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703512750] [2022-09-29 14:47:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 14:47:45,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 14:47:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,292 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 14:47:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 14:47:45,363 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 14:47:45,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 14:47:45,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 14:47:45,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 14:47:45,364 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-09-29 14:47:45,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 14:47:45,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 14:47:45,364 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration1_Loop [2022-09-29 14:47:45,364 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 14:47:45,365 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 14:47:45,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 14:47:45,450 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 14:47:45,451 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-09-29 14:47:45,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:45,459 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) [2022-09-29 14:47:45,460 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 [2022-09-29 14:47:45,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-09-29 14:47:45,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-09-29 14:47:45,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 14:47:45,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:45,500 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) [2022-09-29 14:47:45,501 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 [2022-09-29 14:47:45,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-09-29 14:47:45,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-09-29 14:47:45,639 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-09-29 14:47:45,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-09-29 14:47:45,643 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 14:47:45,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 14:47:45,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 14:47:45,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 14:47:45,643 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 14:47:45,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,644 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 14:47:45,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 14:47:45,644 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration1_Loop [2022-09-29 14:47:45,644 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 14:47:45,644 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 14:47:45,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 14:47:45,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 14:47:45,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 14:47:45,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:45,671 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) [2022-09-29 14:47:45,680 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 [2022-09-29 14:47:45,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 14:47:45,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 14:47:45,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 14:47:45,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 14:47:45,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 14:47:45,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 14:47:45,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 14:47:45,698 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 [2022-09-29 14:47:45,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 14:47:45,718 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 14:47:45,719 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-09-29 14:47:45,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:45,724 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) [2022-09-29 14:47:45,727 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 [2022-09-29 14:47:45,728 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 14:47:45,728 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-09-29 14:47:45,728 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 14:47:45,729 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x, n) = -1*x + 1*n Supporting invariants [] [2022-09-29 14:47:45,745 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 [2022-09-29 14:47:45,749 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 14:47:45,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 14:47:45,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 14:47:45,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 14:47:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 14:47:45,791 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 14:47:45,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 14:47:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 14:47:45,819 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 [2022-09-29 14:47:45,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 14 states, but on-demand construction may add more states Second 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) [2022-09-29 14:47:45,870 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 14 states, but on-demand construction may add more states. Second 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) Result 37 states and 78 transitions. Complement of second has 4 states. [2022-09-29 14:47:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 14:47:45,876 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) [2022-09-29 14:47:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-09-29 14:47:45,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2022-09-29 14:47:45,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 14:47:45,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 14:47:45,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 14:47:45,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2022-09-29 14:47:45,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 14:47:45,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 78 transitions. [2022-09-29 14:47:45,888 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2022-09-29 14:47:45,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 12 states and 26 transitions. [2022-09-29 14:47:45,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-09-29 14:47:45,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-09-29 14:47:45,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 26 transitions. [2022-09-29 14:47:45,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 14:47:45,895 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 26 transitions. [2022-09-29 14:47:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 26 transitions. [2022-09-29 14:47:45,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2022-09-29 14:47:45,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 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) [2022-09-29 14:47:45,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 22 transitions. [2022-09-29 14:47:45,915 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 22 transitions. [2022-09-29 14:47:45,915 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 22 transitions. [2022-09-29 14:47:45,915 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 14:47:45,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 22 transitions. [2022-09-29 14:47:45,916 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2022-09-29 14:47:45,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 14:47:45,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 14:47:45,917 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 14:47:45,917 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 14:47:45,917 INFO L733 eck$LassoCheckResult]: Stem: 133#[ULTIMATE.startENTRY]don't care [24] ULTIMATE.startENTRY-->L18: Formula: (= v_y_1 v_x_1) InVars {y=v_y_1, x=v_x_1} OutVars{y=v_y_1, x=v_x_1} AuxVars[] AssignedVars[] 129#[L18]don't care [48] L18-->L31: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 131#[L18-1, L31]don't care [51] L18-1-->L39: Formula: (= v_T2Thread1of1ForFork1_thidvar0_2 2) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0] 121#[L39, L19, L31]don't care [2022-09-29 14:47:45,917 INFO L735 eck$LassoCheckResult]: Loop: 121#[L39, L19, L31]don't care [60] L39-->L39: Formula: (and (< v_y_13 v_n_11) (= v_y_12 (+ v_y_13 1))) InVars {n=v_n_11, y=v_y_13} OutVars{n=v_n_11, y=v_y_12} AuxVars[] AssignedVars[y] 121#[L39, L19, L31]don't care [2022-09-29 14:47:45,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,918 INFO L85 PathProgramCache]: Analyzing trace with hash 54394, now seen corresponding path program 1 times [2022-09-29 14:47:45,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 14:47:45,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832271384] [2022-09-29 14:47:45,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 14:47:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 14:47:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 14:47:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 14:47:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,925 INFO L85 PathProgramCache]: Analyzing trace with hash 91, now seen corresponding path program 1 times [2022-09-29 14:47:45,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 14:47:45,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488494920] [2022-09-29 14:47:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 14:47:45,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 14:47:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,929 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 14:47:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 14:47:45,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1686274, now seen corresponding path program 1 times [2022-09-29 14:47:45,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 14:47:45,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243693574] [2022-09-29 14:47:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 14:47:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 14:47:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,939 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 14:47:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 14:47:45,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 14:47:45,961 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 14:47:45,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 14:47:45,961 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 14:47:45,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 14:47:45,962 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-09-29 14:47:45,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 14:47:45,962 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 14:47:45,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration2_Loop [2022-09-29 14:47:45,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 14:47:45,962 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 14:47:45,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 14:47:45,987 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 14:47:45,987 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-09-29 14:47:45,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:45,988 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) [2022-09-29 14:47:45,989 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 [2022-09-29 14:47:45,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-09-29 14:47:45,990 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-09-29 14:47:46,015 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 [2022-09-29 14:47:46,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:46,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:46,017 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) [2022-09-29 14:47:46,018 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 [2022-09-29 14:47:46,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-09-29 14:47:46,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-09-29 14:47:46,120 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-09-29 14:47:46,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-09-29 14:47:46,124 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 14:47:46,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 14:47:46,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 14:47:46,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 14:47:46,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 14:47:46,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:46,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 14:47:46,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 14:47:46,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration2_Loop [2022-09-29 14:47:46,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 14:47:46,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 14:47:46,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 14:47:46,156 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 14:47:46,156 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 14:47:46,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:46,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:46,158 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) [2022-09-29 14:47:46,166 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 [2022-09-29 14:47:46,168 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 [2022-09-29 14:47:46,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 14:47:46,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 14:47:46,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 14:47:46,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 14:47:46,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 14:47:46,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 14:47:46,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 14:47:46,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 14:47:46,200 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 14:47:46,201 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-09-29 14:47:46,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:46,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:46,228 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) [2022-09-29 14:47:46,231 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 [2022-09-29 14:47:46,233 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 14:47:46,233 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-09-29 14:47:46,233 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 14:47:46,233 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(y, n) = -1*y + 1*n Supporting invariants [] [2022-09-29 14:47:46,263 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 [2022-09-29 14:47:46,264 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 14:47:46,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 14:47:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 14:47:46,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 14:47:46,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 14:47:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 14:47:46,297 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 14:47:46,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 14:47:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 14:47:46,299 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 [2022-09-29 14:47:46,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 22 transitions. cyclomatic complexity: 17 Second 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) [2022-09-29 14:47:46,323 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 22 transitions. cyclomatic complexity: 17. Second 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) Result 20 states and 40 transitions. Complement of second has 4 states. [2022-09-29 14:47:46,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 14:47:46,324 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) [2022-09-29 14:47:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-09-29 14:47:46,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 14:47:46,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 14:47:46,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 14:47:46,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 14:47:46,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 14:47:46,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 14:47:46,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 40 transitions. [2022-09-29 14:47:46,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 14:47:46,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2022-09-29 14:47:46,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 14:47:46,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 14:47:46,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 14:47:46,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 14:47:46,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 14:47:46,330 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 14:47:46,330 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 14:47:46,330 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 14:47:46,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 14:47:46,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 14:47:46,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 14:47:46,343 INFO L202 PluginConnector]: Adding new model MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 02:47:46 BoogieIcfgContainer [2022-09-29 14:47:46,344 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 14:47:46,344 INFO L158 Benchmark]: Toolchain (without parser) took 1834.09ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 138.9MB in the beginning and 198.5MB in the end (delta: -59.6MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2022-09-29 14:47:46,345 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 14:47:46,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.55ms. Allocated memory is still 184.5MB. Free memory was 138.8MB in the beginning and 137.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 14:47:46,345 INFO L158 Benchmark]: Boogie Preprocessor took 15.58ms. Allocated memory is still 184.5MB. Free memory was 137.2MB in the beginning and 136.3MB in the end (delta: 918.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 14:47:46,346 INFO L158 Benchmark]: RCFGBuilder took 167.17ms. Allocated memory is still 184.5MB. Free memory was 136.3MB in the beginning and 128.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 14:47:46,347 INFO L158 Benchmark]: BuchiAutomizer took 1624.33ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 127.9MB in the beginning and 198.5MB in the end (delta: -70.6MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. [2022-09-29 14:47:46,348 INFO L339 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 0.17ms. Allocated memory is still 184.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.55ms. Allocated memory is still 184.5MB. Free memory was 138.8MB in the beginning and 137.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.58ms. Allocated memory is still 184.5MB. Free memory was 137.2MB in the beginning and 136.3MB in the end (delta: 918.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 167.17ms. Allocated memory is still 184.5MB. Free memory was 136.3MB in the beginning and 128.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1624.33ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 127.9MB in the beginning and 198.5MB in the end (delta: -70.6MB). Peak memory consumption was 3.8MB. 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 -1 * x + n and consists of 3 locations. One deterministic module has affine ranking function n + -1 * y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 59ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.2s - 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, 21 PlacesBefore, 16 PlacesAfterwards, 18 TransitionsBefore, 13 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 29, unknown conditional: 0, unknown unconditional: 29] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 14:47:46,372 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 [2022-09-29 14:47:46,572 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 [2022-09-29 14:47:46,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...