/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/equal-array-sums-locked.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:24:13,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:24:13,715 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 00:24:13,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:24:13,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:24:13,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:24:13,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:24:13,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:24:13,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:24:13,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:24:13,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:24:13,794 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:24:13,794 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:24:13,795 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:24:13,795 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:24:13,795 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:24:13,795 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:24:13,796 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:24:13,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:24:13,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:24:13,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:24:13,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:24:13,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:24:13,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:24:13,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:24:13,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:24:13,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:24:13,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:24:13,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:24:13,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:24:13,807 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:24:13,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:24:13,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:24:13,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:24:13,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:24:13,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:24:13,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:24:13,808 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:24:13,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:24:14,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:24:14,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:24:14,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:24:14,307 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:24:14,308 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:24:14,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/equal-array-sums-locked.bpl [2024-02-10 00:24:14,309 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/equal-array-sums-locked.bpl' [2024-02-10 00:24:14,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:24:14,340 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:24:14,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:24:14,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:24:14,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:24:14,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,445 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 20 [2024-02-10 00:24:14,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:24:14,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:24:14,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:24:14,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:24:14,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:24:14,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:24:14,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:24:14,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:24:14,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/1) ... [2024-02-10 00:24:14,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:14,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:14,552 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 00:24:14,659 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 00:24:14,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-10 00:24:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 00:24:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 00:24:14,693 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-10 00:24:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 00:24:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 00:24:14,694 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:24:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:24:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:24:14,694 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 00:24:14,751 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:24:14,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:24:14,960 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:24:14,969 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:24:14,970 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:24:14,971 INFO L201 PluginConnector]: Adding new model equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:24:14 BoogieIcfgContainer [2024-02-10 00:24:14,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:24:14,972 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:24:14,973 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:24:14,999 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:24:14,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:24:15,000 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:14" (1/2) ... [2024-02-10 00:24:15,004 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33cf393a and model type equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:24:15, skipping insertion in model container [2024-02-10 00:24:15,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:24:15,004 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:24:14" (2/2) ... [2024-02-10 00:24:15,005 INFO L332 chiAutomizerObserver]: Analyzing ICFG equal-array-sums-locked.bpl [2024-02-10 00:24:15,149 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 00:24:15,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 29 transitions, 72 flow [2024-02-10 00:24:15,241 INFO L124 PetriNetUnfolderBase]: 2/25 cut-off events. [2024-02-10 00:24:15,241 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 00:24:15,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 25 events. 2/25 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2024-02-10 00:24:15,262 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 29 transitions, 72 flow [2024-02-10 00:24:15,266 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 25 transitions, 62 flow [2024-02-10 00:24:15,273 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:24:15,274 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:24:15,274 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:24:15,274 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:24:15,274 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:24:15,275 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:24:15,275 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:24:15,276 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:24:15,276 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:15,277 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 30 places, 25 transitions, 62 flow [2024-02-10 00:24:15,316 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 87 states, 85 states have (on average 1.964705882352941) internal successors, (167), 86 states have internal predecessors, (167), 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 00:24:15,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 85 states have (on average 1.964705882352941) internal successors, (167), 86 states have internal predecessors, (167), 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 00:24:15,367 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 65 [2024-02-10 00:24:15,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:24:15,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:24:15,384 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:24:15,384 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:15,384 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 30 places, 25 transitions, 62 flow [2024-02-10 00:24:15,399 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 87 states, 85 states have (on average 1.964705882352941) internal successors, (167), 86 states have internal predecessors, (167), 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 00:24:15,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 85 states have (on average 1.964705882352941) internal successors, (167), 86 states have internal predecessors, (167), 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 00:24:15,408 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 65 [2024-02-10 00:24:15,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:24:15,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:24:15,432 INFO L748 eck$LassoCheckResult]: Stem: Black: 211#[$Ultimate##0]don't care [64] $Ultimate##0-->L24: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x] 214#[L24]don't care [51] L24-->L26: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y] 216#[L26]don't care [84] L26-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_14|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i#1, thread1Thread1of1ForFork0_thidvar0] 218#[$Ultimate##0, L26-1]don't care [66] $Ultimate##0-->L40-1: Formula: (= |v_thread1Thread1of1ForFork0_i#1_1| 0) InVars {} OutVars{thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i#1] 222#[L40-1, L26-1]don't care [2024-02-10 00:24:15,433 INFO L750 eck$LassoCheckResult]: Loop: 222#[L40-1, L26-1]don't care [68] L40-1-->L65: Formula: (< |v_thread1Thread1of1ForFork0_i#1_5| v_n_1) InVars {thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_5|, n=v_n_1} OutVars{thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_5|, n=v_n_1} AuxVars[] AssignedVars[] 230#[L65, L26-1]don't care [70] L65-->L65-2: Formula: (and v_m_11 (not v_m_12)) InVars {m=v_m_12} OutVars{m=v_m_11} AuxVars[] AssignedVars[m] 244#[L26-1, L65-2]don't care [71] L65-2-->L71: Formula: (= v_x_1 (+ (select v_A_1 |v_thread1Thread1of1ForFork0_i#1_7|) v_x_2)) InVars {A=v_A_1, x=v_x_2, thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_7|} OutVars{A=v_A_1, x=v_x_1, thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_7|} AuxVars[] AssignedVars[x] 262#[L71, L26-1]don't care [72] L71-->L68: Formula: (not v_m_3) InVars {} OutVars{m=v_m_3} AuxVars[] AssignedVars[m] 286#[L68, L26-1]don't care [73] L68-->L40-1: Formula: (= |v_thread1Thread1of1ForFork0_i#1_10| (+ |v_thread1Thread1of1ForFork0_i#1_9| 1)) InVars {thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_9|} OutVars{thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_10|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i#1] 222#[L40-1, L26-1]don't care [2024-02-10 00:24:15,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:15,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2881826, now seen corresponding path program 1 times [2024-02-10 00:24:15,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:15,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391648530] [2024-02-10 00:24:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:15,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:15,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:15,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:15,637 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash 93584485, now seen corresponding path program 1 times [2024-02-10 00:24:15,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:15,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093285180] [2024-02-10 00:24:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:15,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:15,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:15,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:15,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:15,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2025091100, now seen corresponding path program 1 times [2024-02-10 00:24:15,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:15,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170749185] [2024-02-10 00:24:15,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:15,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:15,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:15,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:15,982 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:24:15,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:24:15,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:24:15,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:24:15,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:24:15,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:15,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:24:15,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:24:15,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: equal-array-sums-locked.bpl_BEv2_Iteration1_Lasso [2024-02-10 00:24:15,996 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:24:15,996 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:24:16,010 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 00:24:16,038 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 00:24:16,085 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 00:24:16,088 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 00:24:16,188 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:24:16,191 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:24:16,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,225 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 00:24:16,268 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 00:24:16,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:16,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:24:16,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:16,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:16,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:16,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:24:16,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:24:16,283 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 00:24:16,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:16,328 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 00:24:16,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,334 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 00:24:16,346 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 00:24:16,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:16,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:16,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:16,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:16,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:24:16,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:24:16,380 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 00:24:16,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:16,401 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 00:24:16,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,416 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 00:24:16,442 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 00:24:16,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:16,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:16,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:16,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:16,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:24:16,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:24:16,466 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 00:24:16,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:24:16,497 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:24:16,498 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:24:16,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:16,576 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 00:24:16,604 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 00:24:16,607 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:24:16,626 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:24:16,626 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:24:16,627 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, thread1Thread1of1ForFork0_i#1) = 1*n - 1*thread1Thread1of1ForFork0_i#1 Supporting invariants [] [2024-02-10 00:24:16,634 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 00:24:16,637 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:24:16,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:16,715 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 00:24:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:16,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:24:16,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:16,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:24:16,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:16,819 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 00:24:16,875 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 00:24:16,877 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 00:24:17,072 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 361 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:24:17,074 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:24:17,074 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:24:17,075 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:24:17,103 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:24:17,103 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:24:17,105 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 00:24:17,110 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 00:24:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2024-02-10 00:24:17,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 139 transitions. Stem has 4 letters. Loop has 5 letters. [2024-02-10 00:24:17,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:17,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 139 transitions. Stem has 9 letters. Loop has 5 letters. [2024-02-10 00:24:17,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:17,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 139 transitions. Stem has 4 letters. Loop has 10 letters. [2024-02-10 00:24:17,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:17,121 INFO L428 stractBuchiCegarLoop]: Abstraction has has 39 places, 309 transitions, 1377 flow [2024-02-10 00:24:17,122 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:24:17,122 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:17,122 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 39 places, 309 transitions, 1377 flow [2024-02-10 00:24:17,140 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 180 states, 174 states have (on average 2.925287356321839) internal successors, (509), 179 states have internal predecessors, (509), 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 00:24:17,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 174 states have (on average 2.925287356321839) internal successors, (509), 179 states have internal predecessors, (509), 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 00:24:17,172 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 45 [2024-02-10 00:24:17,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:24:17,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:24:17,176 INFO L748 eck$LassoCheckResult]: Stem: Black: 438#[$Ultimate##0]don't care [64] $Ultimate##0-->L24: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x] 444#[L24]don't care [51] L24-->L26: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y] 449#[L26]don't care [84] L26-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_14|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i#1, thread1Thread1of1ForFork0_thidvar0] 454#[$Ultimate##0, L26-1]don't care [87] L26-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_14|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j#1, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 459#[$Ultimate##0, $Ultimate##0, L27]don't care [74] $Ultimate##0-->L54-1: Formula: (= |v_thread2Thread1of1ForFork1_j#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j#1] 470#[L54-1, $Ultimate##0, L27]don't care [2024-02-10 00:24:17,176 INFO L750 eck$LassoCheckResult]: Loop: 470#[L54-1, $Ultimate##0, L27]don't care [76] L54-1-->L65: Formula: (< |v_thread2Thread1of1ForFork1_j#1_5| v_n_3) InVars {thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_5|, n=v_n_3} OutVars{thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_5|, n=v_n_3} AuxVars[] AssignedVars[] 513#[L65, $Ultimate##0, L27]don't care [78] L65-->L65-2: Formula: (and (not v_m_8) v_m_7) InVars {m=v_m_8} OutVars{m=v_m_7} AuxVars[] AssignedVars[m] 569#[$Ultimate##0, L65-2, L27]don't care [79] L65-2-->L71: Formula: (= (+ v_y_2 (select v_A_2 |v_thread2Thread1of1ForFork1_j#1_7|)) v_y_1) InVars {A=v_A_2, y=v_y_2, thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_7|} OutVars{A=v_A_2, y=v_y_1, thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_7|} AuxVars[] AssignedVars[y] 635#[L71, $Ultimate##0, L27]don't care [80] L71-->L68: Formula: (not v_m_6) InVars {} OutVars{m=v_m_6} AuxVars[] AssignedVars[m] 708#[L68, $Ultimate##0, L27]don't care [81] L68-->L54-1: Formula: (= (+ |v_thread2Thread1of1ForFork1_j#1_9| 1) |v_thread2Thread1of1ForFork1_j#1_10|) InVars {thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_9|} OutVars{thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_10|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j#1] 470#[L54-1, $Ultimate##0, L27]don't care [2024-02-10 00:24:17,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:17,176 INFO L85 PathProgramCache]: Analyzing trace with hash 89337331, now seen corresponding path program 1 times [2024-02-10 00:24:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:17,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925756591] [2024-02-10 00:24:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:17,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:17,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:17,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:17,193 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:17,193 INFO L85 PathProgramCache]: Analyzing trace with hash 101218925, now seen corresponding path program 1 times [2024-02-10 00:24:17,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:17,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238506085] [2024-02-10 00:24:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:17,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:17,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:17,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:17,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1013042245, now seen corresponding path program 1 times [2024-02-10 00:24:17,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:24:17,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593646609] [2024-02-10 00:24:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:24:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:24:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:17,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:24:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:24:17,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:24:17,353 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:24:17,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:24:17,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:24:17,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:24:17,354 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:24:17,354 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,354 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:24:17,354 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:24:17,354 INFO L133 ssoRankerPreferences]: Filename of dumped script: equal-array-sums-locked.bpl_BEv2_Iteration2_Lasso [2024-02-10 00:24:17,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:24:17,354 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:24:17,356 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 00:24:17,359 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 00:24:17,376 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 00:24:17,378 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 00:24:17,389 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 00:24:17,395 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 00:24:17,399 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 00:24:17,494 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:24:17,494 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:24:17,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:17,500 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 00:24:17,507 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 00:24:17,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:17,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:17,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:17,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:17,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:24:17,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:24:17,532 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 00:24:17,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:17,572 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 00:24:17,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:17,574 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 00:24:17,579 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 00:24:17,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:17,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:17,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:17,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:17,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:24:17,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:24:17,616 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 00:24:17,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:17,654 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 00:24:17,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:17,664 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 00:24:17,670 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 00:24:17,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:17,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:24:17,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:17,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:17,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:17,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:24:17,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:24:17,702 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 00:24:17,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:17,738 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 00:24:17,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:17,753 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 00:24:17,785 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 00:24:17,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:17,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:17,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:17,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:17,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:24:17,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:24:17,802 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 00:24:17,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:24:17,818 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 [2024-02-10 00:24:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:17,843 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 00:24:17,872 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 00:24:17,880 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 00:24:17,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:24:17,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:24:17,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:24:17,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:24:17,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:24:17,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:24:17,909 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:24:17,925 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-10 00:24:17,925 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:24:17,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:17,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:17,928 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 00:24:17,950 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:24:17,959 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 00:24:17,970 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:24:17,970 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:24:17,971 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, thread2Thread1of1ForFork1_j#1) = 1*n - 1*thread2Thread1of1ForFork1_j#1 Supporting invariants [] [2024-02-10 00:24:17,978 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 00:24:17,979 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:24:17,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:24:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:18,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:24:18,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:24:18,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:24:18,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:24:18,063 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 00:24:18,064 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 00:24:18,064 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 00:24:18,202 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 361 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:24:18,203 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:24:18,203 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:24:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 361 transitions. [2024-02-10 00:24:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 361 transitions. [2024-02-10 00:24:18,209 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:24:18,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 361 transitions. [2024-02-10 00:24:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 361 transitions. [2024-02-10 00:24:18,261 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 00:24:18,581 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:24:18,582 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:24:18,582 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 00:24:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 00:24:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2024-02-10 00:24:18,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 139 transitions. Stem has 5 letters. Loop has 5 letters. [2024-02-10 00:24:18,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:18,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 139 transitions. Stem has 10 letters. Loop has 5 letters. [2024-02-10 00:24:18,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:18,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 139 transitions. Stem has 5 letters. Loop has 10 letters. [2024-02-10 00:24:18,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:24:18,584 INFO L428 stractBuchiCegarLoop]: Abstraction has has 52 places, 4954 transitions, 31848 flow [2024-02-10 00:24:18,584 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:24:18,584 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:18,584 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 52 places, 4954 transitions, 31848 flow [2024-02-10 00:24:18,932 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 449 states, 419 states have (on average 3.875894988066826) internal successors, (1624), 448 states have internal predecessors, (1624), 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 00:24:18,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 449 states, 419 states have (on average 3.875894988066826) internal successors, (1624), 448 states have internal predecessors, (1624), 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 00:24:18,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-10 00:24:18,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-10 00:24:18,967 INFO L201 PluginConnector]: Adding new model equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:24:18 BoogieIcfgContainer [2024-02-10 00:24:18,967 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:24:18,968 INFO L158 Benchmark]: Toolchain (without parser) took 4628.21ms. Allocated memory was 170.9MB in the beginning and 228.6MB in the end (delta: 57.7MB). Free memory was 135.3MB in the beginning and 97.5MB in the end (delta: 37.8MB). Peak memory consumption was 127.9MB. Max. memory is 8.0GB. [2024-02-10 00:24:18,968 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 170.9MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:24:18,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.16ms. Allocated memory is still 170.9MB. Free memory was 135.3MB in the beginning and 145.4MB in the end (delta: -10.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-02-10 00:24:18,969 INFO L158 Benchmark]: Boogie Preprocessor took 28.55ms. Allocated memory is still 170.9MB. Free memory was 145.4MB in the beginning and 144.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:24:18,969 INFO L158 Benchmark]: RCFGBuilder took 493.32ms. Allocated memory is still 170.9MB. Free memory was 144.4MB in the beginning and 134.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-10 00:24:18,969 INFO L158 Benchmark]: BuchiAutomizer took 3994.86ms. Allocated memory was 170.9MB in the beginning and 228.6MB in the end (delta: 57.7MB). Free memory was 134.4MB in the beginning and 97.5MB in the end (delta: 36.9MB). Peak memory consumption was 127.9MB. Max. memory is 8.0GB. [2024-02-10 00:24:18,971 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 0.10ms. Allocated memory is still 170.9MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 94.16ms. Allocated memory is still 170.9MB. Free memory was 135.3MB in the beginning and 145.4MB in the end (delta: -10.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.55ms. Allocated memory is still 170.9MB. Free memory was 145.4MB in the beginning and 144.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 493.32ms. Allocated memory is still 170.9MB. Free memory was 144.4MB in the beginning and 134.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 3994.86ms. Allocated memory was 170.9MB in the beginning and 228.6MB in the end (delta: 57.7MB). Free memory was 134.4MB in the beginning and 97.5MB in the end (delta: 36.9MB). Peak memory consumption was 127.9MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * j + n and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. 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, 157 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 114 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp66 ukn92 mio100 lsp60 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 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 00:24:18,995 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...