/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/POPL2023/map-aggr-update3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:06,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:06,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:06,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:06,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:06,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:06,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:06,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:06,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:06,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:06,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:06,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:06,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:06,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:06,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:06,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:06,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:06,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:06,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:06,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:06,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:06,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:06,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:06,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:06,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:06,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:06,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:06,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:06,102 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 15:00:06,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:06,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:06,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:06,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:06,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:06,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:06,129 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:06,130 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:06,130 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:06,130 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:06,130 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:06,130 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:06,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:06,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:06,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:06,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:06,133 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:06,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:06,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:06,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:06,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:06,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:06,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:06,134 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:06,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:06,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:06,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:06,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:06,352 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:06,353 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:06,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update3.bpl [2022-09-29 15:00:06,354 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update3.bpl' [2022-09-29 15:00:06,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:06,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:06,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:06,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:06,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:06,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,400 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:06,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:06,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:06,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:06,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:06,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:06,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:06,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:06,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:06,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/1) ... [2022-09-29 15:00:06,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:06,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:06,451 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 15:00:06,456 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 15:00:06,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:00:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:00:06,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:00:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:00:06,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:00:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:00:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:00:06,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:06,485 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 15:00:06,518 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:06,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:06,594 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:06,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:06,599 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:06,601 INFO L202 PluginConnector]: Adding new model map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:06 BoogieIcfgContainer [2022-09-29 15:00:06,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:06,601 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:06,601 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:06,608 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:06,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:06,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:06" (1/2) ... [2022-09-29 15:00:06,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@535b8bb2 and model type map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:06, skipping insertion in model container [2022-09-29 15:00:06,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:06,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:06" (2/2) ... [2022-09-29 15:00:06,611 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-aggr-update3.bpl [2022-09-29 15:00:06,677 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:00:06,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 104 flow [2022-09-29 15:00:06,739 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:06,739 INFO L123 PetriNetUnfolderBase]: 5/34 cut-off events. [2022-09-29 15:00:06,739 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:06,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-29 15:00:06,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 104 flow [2022-09-29 15:00:06,746 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,748 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:06,778 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,780 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,808 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:06,808 INFO L123 PetriNetUnfolderBase]: 5/34 cut-off events. [2022-09-29 15:00:06,808 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:06,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-29 15:00:06,810 INFO L116 LiptonReduction]: Number of co-enabled transitions 456 [2022-09-29 15:00:07,314 INFO L131 LiptonReduction]: Checked pairs total: 380 [2022-09-29 15:00:07,315 INFO L133 LiptonReduction]: Total number of compositions: 18 [2022-09-29 15:00:07,331 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:07,331 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:07,331 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:07,331 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:07,331 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:07,331 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:07,331 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:07,331 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:07,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:07,366 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:07,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:07,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:07,369 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:07,369 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:07,370 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:07,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 55 states, but on-demand construction may add more states [2022-09-29 15:00:07,374 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:07,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:07,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:07,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:07,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:07,378 INFO L733 eck$LassoCheckResult]: Stem: 45#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]don't care [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 50#[L34-1, thread1ENTRY]don't care [88] thread1ENTRY-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 54#[L51-1, L34-1]don't care [2022-09-29 15:00:07,378 INFO L735 eck$LassoCheckResult]: Loop: 54#[L51-1, L34-1]don't care [138] L51-1-->L51-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_28 v_N_26) (= (+ v_thread1Thread1of1ForFork0_i_28 1) v_thread1Thread1of1ForFork0_i_27) (= v_A_31 (store v_A_32 v_thread1Thread1of1ForFork0_i_28 (let ((.cse0 (select v_A_32 v_thread1Thread1of1ForFork0_i_28))) (ite (< .cse0 0) (- .cse0) .cse0))))) InVars {A=v_A_32, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_28} OutVars{A=v_A_31, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_27} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 54#[L51-1, L34-1]don't care [2022-09-29 15:00:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,381 INFO L85 PathProgramCache]: Analyzing trace with hash 104527, now seen corresponding path program 1 times [2022-09-29 15:00:07,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:07,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116458497] [2022-09-29 15:00:07,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:07,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,455 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,478 INFO L85 PathProgramCache]: Analyzing trace with hash 169, now seen corresponding path program 1 times [2022-09-29 15:00:07,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:07,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517667402] [2022-09-29 15:00:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,528 INFO L85 PathProgramCache]: Analyzing trace with hash 3240475, now seen corresponding path program 1 times [2022-09-29 15:00:07,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:07,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129780662] [2022-09-29 15:00:07,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:07,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,656 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:07,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:07,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:07,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:07,657 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:07,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,657 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:07,657 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:07,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update3.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:07,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:07,657 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:07,669 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 15:00:07,689 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 15:00:07,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:07,721 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:07,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,727 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 15:00:07,763 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 15:00:07,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:07,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:07,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:07,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:07,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:07,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:07,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:07,776 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 15:00:07,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:07,801 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 15:00:07,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,804 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 15:00:07,805 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 15:00:07,807 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 15:00:07,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:07,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:07,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:07,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:07,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:07,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:07,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:07,860 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-09-29 15:00:07,860 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:07,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,863 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 15:00:07,865 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 15:00:07,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:07,887 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:07,887 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:07,887 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:00:07,917 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 [2022-09-29 15:00:07,920 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:07,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:07,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:07,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:07,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:07,952 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 15:00:07,972 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 15:00:07,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states 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 15:00:08,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states. 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 144 states and 490 transitions. Complement of second has 4 states. [2022-09-29 15:00:08,064 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 15:00:08,067 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 15:00:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-09-29 15:00:08,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:08,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:08,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:00:08,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 490 transitions. [2022-09-29 15:00:08,075 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:08,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 103 states and 354 transitions. [2022-09-29 15:00:08,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2022-09-29 15:00:08,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:08,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 354 transitions. [2022-09-29 15:00:08,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:08,083 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 354 transitions. [2022-09-29 15:00:08,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 354 transitions. [2022-09-29 15:00:08,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2022-09-29 15:00:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 3.5853658536585367) internal successors, (294), 81 states have internal predecessors, (294), 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 15:00:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 294 transitions. [2022-09-29 15:00:08,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:08,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:08,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:08,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 294 transitions. [2022-09-29 15:00:08,107 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:08,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:08,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:08,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:08,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:08,108 INFO L733 eck$LassoCheckResult]: Stem: 426#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 428#[L34]don't care [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 472#[L34-1, thread1ENTRY]don't care [117] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 454#[thread1ENTRY, L35, thread2ENTRY]don't care [132] thread2ENTRY-->L65-1: Formula: (and (= (- 1) v_thread2Thread1of1ForFork1_cnt_23) (= v_thread2Thread1of1ForFork1_j_41 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_41, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_23} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 456#[thread1ENTRY, L65-1, L35]don't care [2022-09-29 15:00:08,108 INFO L735 eck$LassoCheckResult]: Loop: 456#[thread1ENTRY, L65-1, L35]don't care [141] L65-1-->L65-1: Formula: (and (let ((.cse0 (< v_thread2Thread1of1ForFork1_j_58 v_N_30)) (.cse1 (= (select v_A_39 v_thread2Thread1of1ForFork1_j_58) 0))) (or (and (= v_thread2Thread1of1ForFork1_cnt_47 v_thread2Thread1of1ForFork1_cnt_46) .cse0 (not .cse1)) (and .cse0 .cse1 (= (+ v_thread2Thread1of1ForFork1_cnt_47 1) v_thread2Thread1of1ForFork1_cnt_46)))) (let ((.cse2 (= v_thread2Thread1of1ForFork1_j_57 (+ v_thread2Thread1of1ForFork1_j_58 1))) (.cse3 (< 0 (select v_B_35 v_thread2Thread1of1ForFork1_j_58)))) (or (and .cse2 .cse3 (= (+ v_thread2Thread1of1ForFork1_cnt_46 1) v_thread2Thread1of1ForFork1_cnt_45)) (and .cse2 (not .cse3) (= v_thread2Thread1of1ForFork1_cnt_46 v_thread2Thread1of1ForFork1_cnt_45))))) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_58, A=v_A_39, N=v_N_30, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_47, B=v_B_35} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_57, A=v_A_39, N=v_N_30, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_45, B=v_B_35} AuxVars[v_thread2Thread1of1ForFork1_cnt_46] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 456#[thread1ENTRY, L65-1, L35]don't care [2022-09-29 15:00:08,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash 3241368, now seen corresponding path program 1 times [2022-09-29 15:00:08,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:08,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170993831] [2022-09-29 15:00:08,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:08,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,113 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:08,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,116 INFO L85 PathProgramCache]: Analyzing trace with hash 172, now seen corresponding path program 1 times [2022-09-29 15:00:08,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:08,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779275690] [2022-09-29 15:00:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:08,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,121 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:08,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,128 INFO L85 PathProgramCache]: Analyzing trace with hash 100482549, now seen corresponding path program 1 times [2022-09-29 15:00:08,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:08,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366736247] [2022-09-29 15:00:08,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:08,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,137 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:08,286 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:08,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:08,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:08,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:08,286 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:08,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,287 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:08,287 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:08,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update3.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:08,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:08,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:08,291 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 15:00:08,294 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 15:00:08,297 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 15:00:08,361 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 15:00:08,368 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 15:00:08,535 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:08,536 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:08,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,538 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 15:00:08,539 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 15:00:08,541 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 15:00:08,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:08,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:08,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:08,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,583 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 15:00:08,584 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 15:00:08,585 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 15:00:08,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:08,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:08,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:08,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,626 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 15:00:08,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,628 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 15:00:08,629 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 15:00:08,631 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 15:00:08,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,638 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-09-29 15:00:08,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,693 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2022-09-29 15:00:08,693 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-09-29 15:00:08,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,803 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 15:00:08,806 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 [2022-09-29 15:00:08,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,808 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 15:00:08,809 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 15:00:08,810 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 15:00:08,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:08,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:08,831 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:08,839 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:08,839 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:08,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,851 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 15:00:08,852 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 15:00:08,853 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:08,880 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:08,880 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:08,880 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2022-09-29 15:00:08,901 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 15:00:08,902 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:08,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:08,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:08,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:08,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:08,931 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 15:00:08,932 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 15:00:08,932 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:08,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 224 states and 842 transitions. Complement of second has 4 states. [2022-09-29 15:00:08,974 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 15:00:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-09-29 15:00:08,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:08,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:08,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:00:08,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 842 transitions. [2022-09-29 15:00:08,987 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:08,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 148 states and 549 transitions. [2022-09-29 15:00:08,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2022-09-29 15:00:08,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:08,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 549 transitions. [2022-09-29 15:00:08,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:08,992 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 549 transitions. [2022-09-29 15:00:08,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 549 transitions. [2022-09-29 15:00:09,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2022-09-29 15:00:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 3.8189655172413794) internal successors, (443), 115 states have internal predecessors, (443), 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 15:00:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 443 transitions. [2022-09-29 15:00:09,007 INFO L240 hiAutomatonCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:09,007 INFO L428 stractBuchiCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:09,008 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:09,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 443 transitions. [2022-09-29 15:00:09,009 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:09,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:09,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:09,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:09,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:09,009 INFO L733 eck$LassoCheckResult]: Stem: 865#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 867#[L34]don't care [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 937#[L34-1, thread1ENTRY]don't care [117] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 909#[thread1ENTRY, L35, thread2ENTRY]don't care [120] L35-->thread3ENTRY: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_12} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 901#[thread2ENTRY, L36, thread1ENTRY, thread3ENTRY]don't care [106] thread3ENTRY-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 907#[thread2ENTRY, L36, thread1ENTRY, L83-1]don't care [2022-09-29 15:00:09,009 INFO L735 eck$LassoCheckResult]: Loop: 907#[thread2ENTRY, L36, thread1ENTRY, L83-1]don't care [136] L83-1-->L83-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_25 0) (= v_B_31 (store v_B_32 v_thread3Thread1of1ForFork2_k_26 v_thread3Thread1of1ForFork2_k_26)) (< v_thread3Thread1of1ForFork2_k_26 v_N_22)) InVars {N=v_N_22, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_26, B=v_B_32} OutVars{N=v_N_22, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_25, B=v_B_31} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 907#[thread2ENTRY, L36, thread1ENTRY, L83-1]don't care [2022-09-29 15:00:09,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:09,010 INFO L85 PathProgramCache]: Analyzing trace with hash 100482142, now seen corresponding path program 1 times [2022-09-29 15:00:09,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:09,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258884459] [2022-09-29 15:00:09,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:09,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:09,013 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:09,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:09,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:09,016 INFO L85 PathProgramCache]: Analyzing trace with hash 167, now seen corresponding path program 1 times [2022-09-29 15:00:09,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:09,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324547830] [2022-09-29 15:00:09,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:09,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:09,019 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:09,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:09,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:09,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1180020758, now seen corresponding path program 1 times [2022-09-29 15:00:09,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:09,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322448948] [2022-09-29 15:00:09,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:09,034 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:09,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:09,104 INFO L202 PluginConnector]: Adding new model map-aggr-update3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:09 BoogieIcfgContainer [2022-09-29 15:00:09,104 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:09,105 INFO L158 Benchmark]: Toolchain (without parser) took 2723.49ms. Allocated memory was 192.9MB in the beginning and 239.1MB in the end (delta: 46.1MB). Free memory was 153.4MB in the beginning and 191.2MB in the end (delta: -37.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:09,105 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:09,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.49ms. Allocated memory is still 192.9MB. Free memory was 153.3MB in the beginning and 151.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:09,106 INFO L158 Benchmark]: Boogie Preprocessor took 19.17ms. Allocated memory is still 192.9MB. Free memory was 151.7MB in the beginning and 150.7MB in the end (delta: 995.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:09,106 INFO L158 Benchmark]: RCFGBuilder took 178.49ms. Allocated memory is still 192.9MB. Free memory was 150.7MB in the beginning and 141.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:09,107 INFO L158 Benchmark]: BuchiAutomizer took 2503.21ms. Allocated memory was 192.9MB in the beginning and 239.1MB in the end (delta: 46.1MB). Free memory was 141.1MB in the beginning and 191.2MB in the end (delta: -50.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:09,108 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 0.12ms. Allocated memory is still 192.9MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.49ms. Allocated memory is still 192.9MB. Free memory was 153.3MB in the beginning and 151.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.17ms. Allocated memory is still 192.9MB. Free memory was 151.7MB in the beginning and 150.7MB in the end (delta: 995.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 178.49ms. Allocated memory is still 192.9MB. Free memory was 150.7MB in the beginning and 141.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2503.21ms. Allocated memory was 192.9MB in the beginning and 239.1MB in the end (delta: 46.1MB). Free memory was 141.1MB in the beginning and 191.2MB in the end (delta: -50.0MB). 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) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. The remainder module has 116 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 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, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital80 mio100 ax100 hnf100 lsp157 ukn31 mio100 lsp87 div100 bol100 ite100 ukn100 eq165 hnf96 smp100 dnf183 smp72 tf100 neg96 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 151ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.6s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 83]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {m=0, N=1} State at position 1 is {cnt=0, i=0, j=0, k=0, m=0, N=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 83]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L32] 0 assume 0 <= m && m < N; [L34] FORK 0 fork 1 thread1(); [L35] FORK 0 fork 2, 2 thread2(); [L36] FORK 0 fork 3, 3, 3 thread3(); [L82] 3 k := 0; Loop: [L83] COND TRUE k < N [L84] B[k] := k; [L85] k := 0; End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 39 PlacesBefore, 25 PlacesAfterwards, 34 TransitionsBefore, 18 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 18 TotalNumberOfCompositions, 380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 359, positive: 355, positive conditional: 0, positive unconditional: 355, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 257, positive: 253, positive conditional: 0, positive unconditional: 253, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 257, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 359, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 257, unknown conditional: 0, unknown unconditional: 257] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be incorrect! [2022-09-29 15:00:09,134 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 15:00:09,343 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...