/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/motivating-slowitp.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:17,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:17,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:17,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:17,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:17,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:17,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:17,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:17,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:17,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:17,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:17,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:17,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:17,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:17,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:17,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:17,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:17,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:17,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:17,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:17,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:17,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:17,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:17,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:17,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:17,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:17,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:17,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:17,775 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 15:00:17,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:17,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:17,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:17,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:17,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:17,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:17,807 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:17,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:17,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:17,807 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:17,808 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:17,808 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:17,808 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:17,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:17,809 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:17,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:17,810 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:17,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:17,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:17,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:17,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:17,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:17,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:17,812 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:17,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:18,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:18,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:18,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:18,092 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:18,092 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:18,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating-slowitp.bpl [2022-09-29 15:00:18,093 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating-slowitp.bpl' [2022-09-29 15:00:18,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:18,121 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:18,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:18,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:18,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:18,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,146 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:18,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:18,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:18,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:18,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:18,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:18,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:18,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:18,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:18,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/1) ... [2022-09-29 15:00:18,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:18,237 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 15:00:18,248 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 15:00:18,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:00:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:00:18,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:00:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:00:18,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:00:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:00:18,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:18,274 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 15:00:18,316 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:18,318 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:18,434 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:18,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:18,495 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:18,497 INFO L202 PluginConnector]: Adding new model motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:18 BoogieIcfgContainer [2022-09-29 15:00:18,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:18,498 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:18,499 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:18,503 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:18,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:18,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:18" (1/2) ... [2022-09-29 15:00:18,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3875ac8d and model type motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:18, skipping insertion in model container [2022-09-29 15:00:18,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:18,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:18" (2/2) ... [2022-09-29 15:00:18,506 INFO L322 chiAutomizerObserver]: Analyzing ICFG motivating-slowitp.bpl [2022-09-29 15:00:18,621 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:00:18,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2022-09-29 15:00:18,713 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:18,714 INFO L123 PetriNetUnfolderBase]: 3/26 cut-off events. [2022-09-29 15:00:18,714 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:18,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-09-29 15:00:18,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2022-09-29 15:00:18,726 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2022-09-29 15:00:18,729 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:18,763 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2022-09-29 15:00:18,766 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2022-09-29 15:00:18,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2022-09-29 15:00:18,802 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:18,802 INFO L123 PetriNetUnfolderBase]: 3/26 cut-off events. [2022-09-29 15:00:18,802 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:18,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-09-29 15:00:18,803 INFO L116 LiptonReduction]: Number of co-enabled transitions 234 [2022-09-29 15:00:19,148 INFO L131 LiptonReduction]: Checked pairs total: 112 [2022-09-29 15:00:19,149 INFO L133 LiptonReduction]: Total number of compositions: 8 [2022-09-29 15:00:19,168 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:19,168 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:19,168 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:19,168 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:19,168 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:19,168 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:19,169 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:19,169 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:19,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:19,215 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:19,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:19,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:19,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:19,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:19,220 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:19,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 55 states, but on-demand construction may add more states [2022-09-29 15:00:19,225 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:19,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:19,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:19,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:19,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:19,230 INFO L733 eck$LassoCheckResult]: Stem: 39#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L18: 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[] 42#[L18]don't care [106] L18-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 44#[thread1ENTRY, L18-1]don't care [88] thread1ENTRY-->L36-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 46#[L18-1, L36-1]don't care [2022-09-29 15:00:19,230 INFO L735 eck$LassoCheckResult]: Loop: 46#[L18-1, L36-1]don't care [117] L36-1-->L36-1: Formula: (and (= v_A_15 (store v_A_16 v_thread1Thread1of1ForFork0_i_14 (let ((.cse0 (select v_A_16 v_thread1Thread1of1ForFork0_i_14))) (ite (< .cse0 0) 0 .cse0)))) (< v_thread1Thread1of1ForFork0_i_14 v_N_10) (= v_thread1Thread1of1ForFork0_i_13 (+ v_thread1Thread1of1ForFork0_i_14 1))) InVars {A=v_A_16, N=v_N_10, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} OutVars{A=v_A_15, N=v_N_10, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_13} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 46#[L18-1, L36-1]don't care [2022-09-29 15:00:19,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,236 INFO L85 PathProgramCache]: Analyzing trace with hash 104279, now seen corresponding path program 1 times [2022-09-29 15:00:19,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:19,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480483671] [2022-09-29 15:00:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,311 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:19,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,331 INFO L85 PathProgramCache]: Analyzing trace with hash 148, now seen corresponding path program 1 times [2022-09-29 15:00:19,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:19,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962270937] [2022-09-29 15:00:19,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:19,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,352 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:19,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,367 INFO L85 PathProgramCache]: Analyzing trace with hash 3232766, now seen corresponding path program 1 times [2022-09-29 15:00:19,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:19,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661177768] [2022-09-29 15:00:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,386 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:19,555 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:19,556 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:19,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:19,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:19,556 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:19,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:19,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:19,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: motivating-slowitp.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:19,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:19,557 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:19,572 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 15:00:19,603 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 15:00:19,643 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:19,647 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:19,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,655 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 15:00:19,662 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 15:00:19,663 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 15:00:19,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:19,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:19,695 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:19,721 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:19,722 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-09-29 15:00:19,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,724 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 15:00:19,725 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 15:00:19,726 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:19,732 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:19,733 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:19,734 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:00:19,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-09-29 15:00:19,753 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:19,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:19,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:19,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:19,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:19,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:19,814 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 15:00:19,857 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 15:00:19,859 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 15:00:19,947 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 15:00:19,950 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 15:00:19,954 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 15:00:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-09-29 15:00:19,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:19,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:19,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:19,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:19,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:00:19,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:19,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 490 transitions. [2022-09-29 15:00:19,969 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:19,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 103 states and 354 transitions. [2022-09-29 15:00:19,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2022-09-29 15:00:19,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:19,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 354 transitions. [2022-09-29 15:00:19,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:19,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 354 transitions. [2022-09-29 15:00:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 354 transitions. [2022-09-29 15:00:20,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2022-09-29 15:00:20,007 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 15:00:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 294 transitions. [2022-09-29 15:00:20,011 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:20,011 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:20,011 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:20,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 294 transitions. [2022-09-29 15:00:20,014 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:20,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:20,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:20,015 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:20,015 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:20,015 INFO L733 eck$LassoCheckResult]: Stem: 440#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L18: 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[] 442#[L18]don't care [106] L18-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 478#[thread1ENTRY, L18-1]don't care [109] L18-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_12, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_8, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 454#[thread1ENTRY, thread2ENTRY, L19]don't care [121] thread2ENTRY-->L52-1: Formula: (and (= v_thread2Thread1of1ForFork1_j_19 0) (= v_thread2Thread1of1ForFork1_cnt_15 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_19, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_15} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 396#[thread1ENTRY, L52-1, L19]don't care [2022-09-29 15:00:20,015 INFO L735 eck$LassoCheckResult]: Loop: 396#[thread1ENTRY, L52-1, L19]don't care [118] L52-1-->L52-1: Formula: (and (let ((.cse0 (< 0 (select v_A_19 v_thread2Thread1of1ForFork1_j_14)))) (or (and (not .cse0) (= v_thread2_cnt_28 v_thread2Thread1of1ForFork1_cnt_12)) (and .cse0 (= v_thread2_cnt_28 (+ v_thread2Thread1of1ForFork1_cnt_12 1))))) (let ((.cse1 (< 0 (select v_B_15 v_thread2Thread1of1ForFork1_j_14)))) (or (and .cse1 (= v_thread2Thread1of1ForFork1_cnt_11 (+ v_thread2_cnt_28 1))) (and (= v_thread2_cnt_28 v_thread2Thread1of1ForFork1_cnt_11) (not .cse1)))) (< v_thread2Thread1of1ForFork1_j_14 v_N_12) (= v_thread2Thread1of1ForFork1_j_13 (+ v_thread2Thread1of1ForFork1_j_14 1))) InVars {A=v_A_19, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, N=v_N_12, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, B=v_B_15} OutVars{A=v_A_19, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, N=v_N_12, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_11, B=v_B_15} AuxVars[v_thread2_cnt_28] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 396#[thread1ENTRY, L52-1, L19]don't care [2022-09-29 15:00:20,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash 3233421, now seen corresponding path program 1 times [2022-09-29 15:00:20,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:20,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616014158] [2022-09-29 15:00:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:20,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:20,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash 149, now seen corresponding path program 1 times [2022-09-29 15:00:20,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:20,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757943084] [2022-09-29 15:00:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:20,045 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:20,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:20,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:20,056 INFO L85 PathProgramCache]: Analyzing trace with hash 100236169, now seen corresponding path program 1 times [2022-09-29 15:00:20,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:20,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111256941] [2022-09-29 15:00:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:20,079 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:20,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:20,285 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:20,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:20,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:20,287 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:20,287 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:20,287 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,287 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:20,287 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:20,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: motivating-slowitp.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:20,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:20,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:20,292 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 15:00:20,295 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 15:00:20,297 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 15:00:20,382 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 15:00:20,385 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 15:00:20,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:20,549 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:20,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,552 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 15:00:20,553 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 15:00:20,554 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 15:00:20,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:20,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:20,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:20,607 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 15:00:20,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,608 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 15:00:20,610 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 15:00:20,611 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 15:00:20,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:20,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:20,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:20,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:20,663 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 15:00:20,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,665 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 15:00:20,672 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 15:00:20,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:20,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:20,692 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 15:00:20,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:20,730 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:20,730 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-09-29 15:00:20,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,785 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 15:00:20,786 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 15:00:20,787 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:20,820 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:20,820 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:20,820 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2022-09-29 15:00:20,850 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 15:00:20,851 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:20,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:20,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:20,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:20,882 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:20,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:20,883 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 15:00:20,884 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 15:00:20,885 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 15:00:20,951 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 15:00:20,952 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 15:00:20,954 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 15:00:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-09-29 15:00:20,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:20,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:20,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:20,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:20,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:00:20,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:20,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 842 transitions. [2022-09-29 15:00:20,967 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:20,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 148 states and 549 transitions. [2022-09-29 15:00:20,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2022-09-29 15:00:21,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:21,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 549 transitions. [2022-09-29 15:00:21,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:21,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 549 transitions. [2022-09-29 15:00:21,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 549 transitions. [2022-09-29 15:00:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2022-09-29 15:00:21,019 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 15:00:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 443 transitions. [2022-09-29 15:00:21,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:21,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:21,022 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:21,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 443 transitions. [2022-09-29 15:00:21,023 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:21,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:21,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:21,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:21,024 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:21,024 INFO L733 eck$LassoCheckResult]: Stem: 881#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L18: 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[] 883#[L18]don't care [106] L18-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 931#[thread1ENTRY, L18-1]don't care [109] L18-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_12, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_8, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 895#[thread1ENTRY, thread2ENTRY, L19]don't care [112] L19-->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] 897#[thread3ENTRY, thread1ENTRY, L20, thread2ENTRY]don't care [99] thread3ENTRY-->L72-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 867#[thread1ENTRY, L72-1, L20, thread2ENTRY]don't care [2022-09-29 15:00:21,024 INFO L735 eck$LassoCheckResult]: Loop: 867#[thread1ENTRY, L72-1, L20, thread2ENTRY]don't care [120] L72-1-->L72-1: Formula: (and (< v_thread3Thread1of1ForFork2_k_16 v_N_16) (= (+ v_thread3Thread1of1ForFork2_k_16 1) v_thread3Thread1of1ForFork2_k_15) (= v_B_17 (store v_B_18 v_thread3Thread1of1ForFork2_k_16 v_thread3Thread1of1ForFork2_k_16))) InVars {N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_16, B=v_B_18} OutVars{N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_15, B=v_B_17} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 867#[thread1ENTRY, L72-1, L20, thread2ENTRY]don't care [2022-09-29 15:00:21,031 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 15:00:21,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:21,032 INFO L85 PathProgramCache]: Analyzing trace with hash 100235871, now seen corresponding path program 1 times [2022-09-29 15:00:21,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:21,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731251509] [2022-09-29 15:00:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:21,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:21,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:21,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:21,055 INFO L85 PathProgramCache]: Analyzing trace with hash 151, now seen corresponding path program 1 times [2022-09-29 15:00:21,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:21,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336562459] [2022-09-29 15:00:21,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:21,064 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:21,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:21,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:21,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1187655175, now seen corresponding path program 1 times [2022-09-29 15:00:21,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:21,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680224648] [2022-09-29 15:00:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:21,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:21,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:21,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:21,083 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 15:00:21,149 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:21,150 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:21,150 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:21,150 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:21,150 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:21,150 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,150 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:21,150 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:21,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: motivating-slowitp.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:00:21,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:21,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:21,151 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 15:00:21,155 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 15:00:21,157 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 15:00:21,160 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 15:00:21,163 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 15:00:21,165 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 15:00:21,167 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 15:00:21,170 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 15:00:21,172 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 15:00:21,182 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 15:00:21,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:21,264 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:21,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,265 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 15:00:21,267 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 15:00:21,269 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 15:00:21,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:21,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:21,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:21,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,316 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 15:00:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,319 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 15:00:21,326 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 15:00:21,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:21,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,335 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 15:00:21,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:21,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:21,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,378 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 15:00:21,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,380 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,384 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 15:00:21,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:21,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:21,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-09-29 15:00:21,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,446 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-09-29 15:00:21,449 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 15:00:21,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:21,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:21,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,503 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,510 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 15:00:21,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-09-29 15:00:21,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:21,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:21,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,564 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:00:21,568 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 15:00:21,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:21,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:21,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:21,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,622 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 15:00:21,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:00:21,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:21,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:21,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,662 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:00:21,664 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 15:00:21,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:21,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:21,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,732 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,738 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 15:00:21,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:21,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:21,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:21,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:00:21,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:21,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-09-29 15:00:21,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:00:21,783 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 15:00:21,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:21,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:21,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:21,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:21,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:21,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:21,807 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:21,824 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-09-29 15:00:21,824 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:21,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,828 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:00:21,836 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:21,853 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:21,853 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:21,853 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2022-09-29 15:00:21,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:21,878 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:21,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:21,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:21,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:21,907 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:21,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:21,908 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 15:00:21,908 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 15:00:21,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 15:00:21,942 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 232 states and 840 transitions. Complement of second has 4 states. [2022-09-29 15:00:21,943 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 15:00:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 15:00:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2022-09-29 15:00:21,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:21,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:21,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:00:21,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:21,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:21,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:21,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 840 transitions. [2022-09-29 15:00:21,948 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:21,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 0 states and 0 transitions. [2022-09-29 15:00:21,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:21,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:21,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:21,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:21,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:21,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:21,949 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:21,949 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:00:21,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:21,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:21,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:21,955 INFO L202 PluginConnector]: Adding new model motivating-slowitp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:21 BoogieIcfgContainer [2022-09-29 15:00:21,955 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:21,956 INFO L158 Benchmark]: Toolchain (without parser) took 3834.47ms. Allocated memory was 175.1MB in the beginning and 243.3MB in the end (delta: 68.2MB). Free memory was 135.5MB in the beginning and 169.2MB in the end (delta: -33.7MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. [2022-09-29 15:00:21,956 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 136.7MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:21,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.67ms. Allocated memory is still 175.1MB. Free memory was 135.5MB in the beginning and 134.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:21,957 INFO L158 Benchmark]: Boogie Preprocessor took 27.20ms. Allocated memory is still 175.1MB. Free memory was 133.9MB in the beginning and 133.0MB in the end (delta: 924.7kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:21,957 INFO L158 Benchmark]: RCFGBuilder took 320.09ms. Allocated memory is still 175.1MB. Free memory was 132.9MB in the beginning and 122.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-29 15:00:21,958 INFO L158 Benchmark]: BuchiAutomizer took 3456.65ms. Allocated memory was 175.1MB in the beginning and 243.3MB in the end (delta: 68.2MB). Free memory was 122.4MB in the beginning and 169.2MB in the end (delta: -46.9MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2022-09-29 15:00:21,960 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 0.15ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 136.7MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.67ms. Allocated memory is still 175.1MB. Free memory was 135.5MB in the beginning and 134.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 27.20ms. Allocated memory is still 175.1MB. Free memory was 133.9MB in the beginning and 133.0MB in the end (delta: 924.7kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 320.09ms. Allocated memory is still 175.1MB. Free memory was 132.9MB in the beginning and 122.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 3456.65ms. Allocated memory was 175.1MB in the beginning and 243.3MB in the end (delta: 68.2MB). Free memory was 122.4MB in the beginning and 169.2MB in the end (delta: -46.9MB). Peak memory consumption was 20.9MB. 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 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). 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. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital61 mio100 ax100 hnf100 lsp134 ukn49 mio100 lsp93 div100 bol100 ite100 ukn100 eq155 hnf95 smp100 dnf137 smp77 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 85ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.5s - 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: 0.4s, 33 PlacesBefore, 25 PlacesAfterwards, 26 TransitionsBefore, 18 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 112, positive conditional: 0, positive unconditional: 112, 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: 112, positive: 112, positive conditional: 0, positive unconditional: 112, 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: 112, positive: 112, positive conditional: 0, positive unconditional: 112, 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: 112, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 112, unknown conditional: 0, unknown unconditional: 112] , 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 correct! [2022-09-29 15:00:21,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:22,210 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...