/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:24:12,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:24:12,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 00:24:12,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:24:12,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:24:12,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:24:12,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:24:12,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:24:12,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:24:12,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:24:12,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:24:12,710 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:24:12,711 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:24:12,716 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:24:12,716 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:24:12,717 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:24:12,720 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:24:12,720 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:24:12,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:24:12,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:24:12,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:24:12,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:24:12,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:24:12,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:24:12,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:24:12,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:24:12,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:24:12,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:24:12,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:24:12,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:24:12,732 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:24:12,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:24:12,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:24:12,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:24:12,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:24:12,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:24:12,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:24:12,734 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:24:12,734 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:24:13,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:24:13,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:24:13,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:24:13,323 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:24:13,325 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:24:13,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl [2024-02-10 00:24:13,328 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl' [2024-02-10 00:24:13,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:24:13,361 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:24:13,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:24:13,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:24:13,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:24:13,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,400 INFO L138 Inliner]: procedures = 2, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 00:24:13,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:24:13,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:24:13,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:24:13,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:24:13,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:24:13,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:24:13,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:24:13,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:24:13,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/1) ... [2024-02-10 00:24:13,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:13,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:13,586 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) [2024-02-10 00:24:13,636 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 [2024-02-10 00:24:13,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2024-02-10 00:24:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2024-02-10 00:24:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2024-02-10 00:24:13,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:24:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:24:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:24:13,745 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 00:24:13,824 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:24:13,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:24:13,973 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:24:13,985 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:24:13,986 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:24:13,987 INFO L201 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:24:13 BoogieIcfgContainer [2024-02-10 00:24:13,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:24:13,989 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:24:13,989 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:24:14,002 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:24:14,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:24:14,003 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:13" (1/2) ... [2024-02-10 00:24:14,004 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5849055b and model type concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:24:14, skipping insertion in model container [2024-02-10 00:24:14,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:24:14,004 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:24:13" (2/2) ... [2024-02-10 00:24:14,006 INFO L332 chiAutomizerObserver]: Analyzing ICFG concurrent_mult.bpl [2024-02-10 00:24:14,122 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 00:24:14,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 68 flow [2024-02-10 00:24:14,235 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-02-10 00:24:14,235 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 00:24:14,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 2/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 17. Up to 2 conditions per place. [2024-02-10 00:24:14,241 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 27 transitions, 68 flow [2024-02-10 00:24:14,246 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 23 transitions, 58 flow [2024-02-10 00:24:14,254 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:24:14,254 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:24:14,254 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:24:14,256 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:24:14,257 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:24:14,257 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:24:14,257 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:24:14,257 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:24:14,257 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:14,258 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 28 places, 23 transitions, 58 flow [2024-02-10 00:24:14,291 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 70 states, 68 states have (on average 1.9558823529411764) internal successors, (133), 69 states have internal predecessors, (133), 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) [2024-02-10 00:24:14,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 68 states have (on average 1.9558823529411764) internal successors, (133), 69 states have internal predecessors, (133), 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) [2024-02-10 00:24:14,327 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 39 [2024-02-10 00:24:14,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:24:14,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:24:14,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:24:14,341 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:14,342 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 28 places, 23 transitions, 58 flow [2024-02-10 00:24:14,346 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 70 states, 68 states have (on average 1.9558823529411764) internal successors, (133), 69 states have internal predecessors, (133), 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) [2024-02-10 00:24:14,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 68 states have (on average 1.9558823529411764) internal successors, (133), 69 states have internal predecessors, (133), 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) [2024-02-10 00:24:14,372 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 39 [2024-02-10 00:24:14,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:24:14,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:24:14,380 INFO L748 eck$LassoCheckResult]: Stem: Black: 175#[$Ultimate##0]don't care [31] $Ultimate##0-->L17: Formula: (<= 0 v_ULTIMATE.start_x_1) InVars {ULTIMATE.start_x=v_ULTIMATE.start_x_1} OutVars{ULTIMATE.start_x=v_ULTIMATE.start_x_1} AuxVars[] AssignedVars[] 178#[L17]don't care [25] L17-->L19: Formula: (<= 0 v_ULTIMATE.start_y_1) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_1} OutVars{ULTIMATE.start_y=v_ULTIMATE.start_y_1} AuxVars[] AssignedVars[] 180#[L19]don't care [52] L19-->$Ultimate##0: Formula: (and (= v_multThread1of1ForFork0_a_6 v_ULTIMATE.start_x_3) (= v_multThread1of1ForFork0_thidvar0_2 1) (= v_multThread1of1ForFork0_b_4 v_ULTIMATE.start_y_3)) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3} OutVars{multThread1of1ForFork0_thidvar0=v_multThread1of1ForFork0_thidvar0_2, multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_4, multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_6, ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_8, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_12} AuxVars[] AssignedVars[multThread1of1ForFork0_thidvar0, multThread1of1ForFork0_b, multThread1of1ForFork0_a, multThread1of1ForFork0_z, multThread1of1ForFork0_i] 182#[L19-1, $Ultimate##0]don't care [36] $Ultimate##0-->L31: Formula: (= v_multThread1of1ForFork0_z_1 0) InVars {} OutVars{multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_1} AuxVars[] AssignedVars[multThread1of1ForFork0_z] 184#[L31, L19-1]don't care [37] L31-->L32-1: Formula: (= v_multThread1of1ForFork0_i_1 0) InVars {} OutVars{multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_1} AuxVars[] AssignedVars[multThread1of1ForFork0_i] 188#[L32-1, L19-1]don't care [2024-02-10 00:24:14,381 INFO L750 eck$LassoCheckResult]: Loop: 188#[L32-1, L19-1]don't care [39] L32-1-->L33: Formula: (< v_multThread1of1ForFork0_i_5 v_multThread1of1ForFork0_a_3) InVars {multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_3, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_5} OutVars{multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_3, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_5} AuxVars[] AssignedVars[] 196#[L33, L19-1]don't care [41] L33-->L34: Formula: (= v_multThread1of1ForFork0_z_4 (+ v_multThread1of1ForFork0_b_1 v_multThread1of1ForFork0_z_3)) InVars {multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_1, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_3} OutVars{multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_1, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_4} AuxVars[] AssignedVars[multThread1of1ForFork0_z] 208#[L34, L19-1]don't care [42] L34-->L32-1: Formula: (= v_multThread1of1ForFork0_i_8 (+ v_multThread1of1ForFork0_i_7 1)) InVars {multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_7} OutVars{multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_8} AuxVars[] AssignedVars[multThread1of1ForFork0_i] 188#[L32-1, L19-1]don't care [2024-02-10 00:24:14,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:14,391 INFO L85 PathProgramCache]: Analyzing trace with hash 58054202, now seen corresponding path program 1 times [2024-02-10 00:24:14,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:14,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056455003] [2024-02-10 00:24:14,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:14,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:14,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:14,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:14,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash 68583, now seen corresponding path program 1 times [2024-02-10 00:24:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800365558] [2024-02-10 00:24:14,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:14,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:14,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:14,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:14,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:14,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1379049714, now seen corresponding path program 1 times [2024-02-10 00:24:14,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:14,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15960916] [2024-02-10 00:24:14,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:14,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:14,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:14,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:14,853 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:24:14,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:24:14,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:24:14,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:24:14,855 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 00:24:14,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:14,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:24:14,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:24:14,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration1_Loop [2024-02-10 00:24:14,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:24:14,855 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:24:14,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:14,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:14,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:24:14,957 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 00:24:14,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:14,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:14,962 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) [2024-02-10 00:24:14,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:24:14,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:24:14,978 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 [2024-02-10 00:24:15,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-10 00:24:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:15,021 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) [2024-02-10 00:24:15,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:24:15,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:24:15,056 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 [2024-02-10 00:24:15,193 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 00:24:15,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-10 00:24:15,202 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:24:15,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:24:15,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:24:15,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:24:15,202 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:24:15,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:15,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:24:15,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:24:15,202 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration1_Loop [2024-02-10 00:24:15,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:24:15,203 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:24:15,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:15,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:15,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:24:15,272 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:24:15,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:15,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:15,288 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) [2024-02-10 00:24:15,300 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 [2024-02-10 00:24:15,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:15,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:24:15,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:15,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:15,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:15,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:24:15,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:24:15,326 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 [2024-02-10 00:24:15,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:24:15,350 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:24:15,350 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:24:15,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:15,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:15,372 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) [2024-02-10 00:24:15,413 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 [2024-02-10 00:24:15,414 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:24:15,414 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 00:24:15,415 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:24:15,415 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multThread1of1ForFork0_i, multThread1of1ForFork0_a) = -1*multThread1of1ForFork0_i + 1*multThread1of1ForFork0_a Supporting invariants [] [2024-02-10 00:24:15,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-10 00:24:15,432 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:24:15,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:15,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:24:15,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:15,591 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:24:15,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:24:15,684 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 [2024-02-10 00:24:15,722 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-10 00:24:15,723 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-10 00:24:15,921 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 states and 335 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:24:15,922 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:24:15,923 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:24:15,924 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:24:15,998 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:24:15,999 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:24:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 00:24:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-10 00:24:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-02-10 00:24:16,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-10 00:24:16,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:16,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-10 00:24:16,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:16,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-10 00:24:16,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:16,028 INFO L428 stractBuchiCegarLoop]: Abstraction has has 37 places, 283 transitions, 1273 flow [2024-02-10 00:24:16,028 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:24:16,028 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:16,029 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 37 places, 283 transitions, 1273 flow [2024-02-10 00:24:16,056 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 145 states, 139 states have (on average 2.9136690647482015) internal successors, (405), 144 states have internal predecessors, (405), 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) [2024-02-10 00:24:16,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 145 states, 139 states have (on average 2.9136690647482015) internal successors, (405), 144 states have internal predecessors, (405), 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) [2024-02-10 00:24:16,094 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-02-10 00:24:16,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:24:16,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:24:16,098 INFO L748 eck$LassoCheckResult]: Stem: Black: 365#[$Ultimate##0]don't care [31] $Ultimate##0-->L17: Formula: (<= 0 v_ULTIMATE.start_x_1) InVars {ULTIMATE.start_x=v_ULTIMATE.start_x_1} OutVars{ULTIMATE.start_x=v_ULTIMATE.start_x_1} AuxVars[] AssignedVars[] Black: 368#[L17]don't care [25] L17-->L19: Formula: (<= 0 v_ULTIMATE.start_y_1) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_1} OutVars{ULTIMATE.start_y=v_ULTIMATE.start_y_1} AuxVars[] AssignedVars[] Black: 373#[L19]don't care [52] L19-->$Ultimate##0: Formula: (and (= v_multThread1of1ForFork0_a_6 v_ULTIMATE.start_x_3) (= v_multThread1of1ForFork0_thidvar0_2 1) (= v_multThread1of1ForFork0_b_4 v_ULTIMATE.start_y_3)) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3} OutVars{multThread1of1ForFork0_thidvar0=v_multThread1of1ForFork0_thidvar0_2, multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_4, multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_6, ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_8, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_12} AuxVars[] AssignedVars[multThread1of1ForFork0_thidvar0, multThread1of1ForFork0_b, multThread1of1ForFork0_a, multThread1of1ForFork0_z, multThread1of1ForFork0_i] 381#[$Ultimate##0, L19-1]don't care [55] L19-1-->$Ultimate##0: Formula: (and (= 2 v_multThread1of1ForFork1_thidvar1_2) (= 2 v_multThread1of1ForFork1_thidvar0_2) (= v_multThread1of1ForFork1_a_6 v_ULTIMATE.start_y_5) (= v_multThread1of1ForFork1_b_4 v_ULTIMATE.start_x_5)) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_5, ULTIMATE.start_x=v_ULTIMATE.start_x_5} OutVars{multThread1of1ForFork1_b=v_multThread1of1ForFork1_b_4, multThread1of1ForFork1_a=v_multThread1of1ForFork1_a_6, multThread1of1ForFork1_thidvar0=v_multThread1of1ForFork1_thidvar0_2, multThread1of1ForFork1_thidvar1=v_multThread1of1ForFork1_thidvar1_2, ULTIMATE.start_y=v_ULTIMATE.start_y_5, ULTIMATE.start_x=v_ULTIMATE.start_x_5, multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_8, multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_12} AuxVars[] AssignedVars[multThread1of1ForFork1_b, multThread1of1ForFork1_a, multThread1of1ForFork1_thidvar0, multThread1of1ForFork1_thidvar1, multThread1of1ForFork1_z, multThread1of1ForFork1_i] 391#[$Ultimate##0, L20, $Ultimate##0]don't care [43] $Ultimate##0-->L31: Formula: (= v_multThread1of1ForFork1_z_1 0) InVars {} OutVars{multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_1} AuxVars[] AssignedVars[multThread1of1ForFork1_z] 404#[L31, L20, $Ultimate##0]don't care [44] L31-->L32-1: Formula: (= v_multThread1of1ForFork1_i_1 0) InVars {} OutVars{multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_1} AuxVars[] AssignedVars[multThread1of1ForFork1_i] 432#[L20, L32-1, $Ultimate##0]don't care [2024-02-10 00:24:16,098 INFO L750 eck$LassoCheckResult]: Loop: 432#[L20, L32-1, $Ultimate##0]don't care [46] L32-1-->L33: Formula: (< v_multThread1of1ForFork1_i_5 v_multThread1of1ForFork1_a_3) InVars {multThread1of1ForFork1_a=v_multThread1of1ForFork1_a_3, multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_5} OutVars{multThread1of1ForFork1_a=v_multThread1of1ForFork1_a_3, multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_5} AuxVars[] AssignedVars[] 475#[L20, L33, $Ultimate##0]don't care [48] L33-->L34: Formula: (= (+ v_multThread1of1ForFork1_b_1 v_multThread1of1ForFork1_z_3) v_multThread1of1ForFork1_z_4) InVars {multThread1of1ForFork1_b=v_multThread1of1ForFork1_b_1, multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_3} OutVars{multThread1of1ForFork1_b=v_multThread1of1ForFork1_b_1, multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_4} AuxVars[] AssignedVars[multThread1of1ForFork1_z] 523#[L20, L34, $Ultimate##0]don't care [49] L34-->L32-1: Formula: (= v_multThread1of1ForFork1_i_8 (+ v_multThread1of1ForFork1_i_7 1)) InVars {multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_7} OutVars{multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_8} AuxVars[] AssignedVars[multThread1of1ForFork1_i] 432#[L20, L32-1, $Ultimate##0]don't care [2024-02-10 00:24:16,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1799698751, now seen corresponding path program 1 times [2024-02-10 00:24:16,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:16,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709186109] [2024-02-10 00:24:16,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:16,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:16,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:16,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:16,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:16,152 INFO L85 PathProgramCache]: Analyzing trace with hash 75534, now seen corresponding path program 1 times [2024-02-10 00:24:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:16,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040129083] [2024-02-10 00:24:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:16,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:16,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:16,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:16,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash 748780816, now seen corresponding path program 1 times [2024-02-10 00:24:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165953423] [2024-02-10 00:24:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:16,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:16,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:16,241 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:24:16,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:24:16,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:24:16,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:24:16,241 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 00:24:16,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:24:16,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:24:16,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration2_Loop [2024-02-10 00:24:16,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:24:16,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:24:16,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:16,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:16,279 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:24:16,279 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 00:24:16,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,281 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) [2024-02-10 00:24:16,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:24:16,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:24:16,300 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 [2024-02-10 00:24:16,308 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:24:16,309 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multThread1of1ForFork1_b=0, multThread1of1ForFork1_z=0} Honda state: {multThread1of1ForFork1_b=0, multThread1of1ForFork1_z=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-10 00:24:16,315 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 [2024-02-10 00:24:16,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,330 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) [2024-02-10 00:24:16,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:24:16,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:24:16,352 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 [2024-02-10 00:24:16,382 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 [2024-02-10 00:24:16,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,386 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) [2024-02-10 00:24:16,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:24:16,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:24:16,435 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 [2024-02-10 00:24:16,544 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 00:24:16,552 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 [2024-02-10 00:24:16,553 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:24:16,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:24:16,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:24:16,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:24:16,553 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:24:16,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:24:16,553 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:24:16,553 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration2_Loop [2024-02-10 00:24:16,553 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:24:16,553 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:24:16,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:16,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:24:16,628 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:24:16,629 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:24:16,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,631 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) [2024-02-10 00:24:16,636 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 [2024-02-10 00:24:16,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:24:16,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:16,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:24:16,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:16,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:16,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:16,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:24:16,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:24:16,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:16,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-10 00:24:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,711 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) [2024-02-10 00:24:16,718 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 [2024-02-10 00:24:16,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:16,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:24:16,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:16,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:16,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:16,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:24:16,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:24:16,742 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 [2024-02-10 00:24:16,760 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:24:16,765 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:24:16,765 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:24:16,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,778 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) [2024-02-10 00:24:16,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:24:16,784 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 00:24:16,784 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:24:16,784 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multThread1of1ForFork1_a, multThread1of1ForFork1_i) = 1*multThread1of1ForFork1_a - 1*multThread1of1ForFork1_i Supporting invariants [] [2024-02-10 00:24:16,789 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 [2024-02-10 00:24:16,795 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 [2024-02-10 00:24:16,796 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:24:16,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:16,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:24:16,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:16,853 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:24:16,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:24:16,884 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-10 00:24:16,884 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-10 00:24:16,996 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 states and 335 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:24:16,997 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:24:16,997 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:24:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 335 transitions. [2024-02-10 00:24:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 335 transitions. [2024-02-10 00:24:17,022 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:24:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 335 transitions. [2024-02-10 00:24:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 335 transitions. [2024-02-10 00:24:17,197 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 [2024-02-10 00:24:17,432 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:24:17,433 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:24:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 00:24:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-10 00:24:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-02-10 00:24:17,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-10 00:24:17,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:17,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 9 letters. Loop has 3 letters. [2024-02-10 00:24:17,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:17,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 129 transitions. Stem has 6 letters. Loop has 6 letters. [2024-02-10 00:24:17,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:17,436 INFO L428 stractBuchiCegarLoop]: Abstraction has has 50 places, 4512 transitions, 29196 flow [2024-02-10 00:24:17,436 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:24:17,436 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:17,436 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 50 places, 4512 transitions, 29196 flow [2024-02-10 00:24:17,839 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 359 states, 329 states have (on average 3.844984802431611) internal successors, (1265), 358 states have internal predecessors, (1265), 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) [2024-02-10 00:24:17,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 359 states, 329 states have (on average 3.844984802431611) internal successors, (1265), 358 states have internal predecessors, (1265), 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) [2024-02-10 00:24:17,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-10 00:24:17,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-10 00:24:17,882 INFO L201 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:24:17 BoogieIcfgContainer [2024-02-10 00:24:17,882 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:24:17,887 INFO L158 Benchmark]: Toolchain (without parser) took 4521.64ms. Allocated memory was 181.4MB in the beginning and 238.0MB in the end (delta: 56.6MB). Free memory was 146.3MB in the beginning and 99.4MB in the end (delta: 46.9MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. [2024-02-10 00:24:17,887 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.83ms. Allocated memory is still 181.4MB. Free memory was 147.5MB in the beginning and 147.3MB in the end (delta: 152.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:24:17,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 181.4MB. Free memory was 146.3MB in the beginning and 144.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-10 00:24:17,888 INFO L158 Benchmark]: Boogie Preprocessor took 50.68ms. Allocated memory is still 181.4MB. Free memory was 144.8MB in the beginning and 155.0MB in the end (delta: -10.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-02-10 00:24:17,889 INFO L158 Benchmark]: RCFGBuilder took 527.66ms. Allocated memory is still 181.4MB. Free memory was 154.9MB in the beginning and 148.1MB in the end (delta: 6.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 00:24:17,891 INFO L158 Benchmark]: BuchiAutomizer took 3893.70ms. Allocated memory was 181.4MB in the beginning and 238.0MB in the end (delta: 56.6MB). Free memory was 147.9MB in the beginning and 99.4MB in the end (delta: 48.5MB). Peak memory consumption was 105.8MB. Max. memory is 8.0GB. [2024-02-10 00:24:17,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.83ms. Allocated memory is still 181.4MB. Free memory was 147.5MB in the beginning and 147.3MB in the end (delta: 152.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 181.4MB. Free memory was 146.3MB in the beginning and 144.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.68ms. Allocated memory is still 181.4MB. Free memory was 144.8MB in the beginning and 155.0MB in the end (delta: -10.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 527.66ms. Allocated memory is still 181.4MB. Free memory was 154.9MB in the beginning and 148.1MB in the end (delta: 6.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3893.70ms. Allocated memory was 181.4MB in the beginning and 238.0MB in the end (delta: 56.6MB). Free memory was 147.9MB in the beginning and 99.4MB in the end (delta: 48.5MB). Peak memory consumption was 105.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + a and consists of 5 locations. One deterministic module has affine ranking function -1 * i + a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 126 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 142ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-10 00:24:17,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...