/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_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/equal-array-sums-locked.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:23:43,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:23:43,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:23:43,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:23:43,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:23:43,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:23:43,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:23:43,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:23:43,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:23:43,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:23:43,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:23:43,156 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:23:43,157 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:23:43,157 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:23:43,157 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:23:43,157 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:23:43,158 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:23:43,158 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:23:43,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:23:43,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:23:43,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:23:43,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:23:43,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:23:43,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:23:43,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:23:43,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:23:43,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:23:43,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:23:43,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:23:43,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:23:43,163 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:23:43,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:23:43,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:23:43,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:23:43,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:23:43,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:23:43,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:23:43,165 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:23:43,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:23:43,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:23:43,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:23:43,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:23:43,506 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:23:43,507 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:23:43,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/equal-array-sums-locked.bpl [2024-02-09 23:23:43,509 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/equal-array-sums-locked.bpl' [2024-02-09 23:23:43,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:23:43,532 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:23:43,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:23:43,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:23:43,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:23:43,544 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,550 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,571 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 20 [2024-02-09 23:23:43,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:23:43,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:23:43,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:23:43,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:23:43,604 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,604 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,605 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,605 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,606 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,609 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,609 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,610 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 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:23:43,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:23:43,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:23:43,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:23:43,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:43" (1/1) ... [2024-02-09 23:23:43,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:43,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:43,668 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) [2024-02-09 23:23:43,682 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 [2024-02-09 23:23:43,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-09 23:23:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-09 23:23:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-09 23:23:43,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-09 23:23:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-09 23:23:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-09 23:23:43,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:23:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:23:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:23:43,724 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:23:43,784 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:23:43,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:23:43,863 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:23:43,873 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:23:43,874 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:23:43,875 INFO L201 PluginConnector]: Adding new model equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:23:43 BoogieIcfgContainer [2024-02-09 23:23:43,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:23:43,876 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:23:43,877 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:23:43,880 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:23:43,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:23:43,881 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:43" (1/2) ... [2024-02-09 23:23:43,882 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ff02731 and model type equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:23:43, skipping insertion in model container [2024-02-09 23:23:43,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:23:43,882 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 09.02 11:23:43" (2/2) ... [2024-02-09 23:23:43,883 INFO L332 chiAutomizerObserver]: Analyzing ICFG equal-array-sums-locked.bpl [2024-02-09 23:23:43,961 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:23:43,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 29 transitions, 72 flow [2024-02-09 23:23:44,008 INFO L124 PetriNetUnfolderBase]: 2/25 cut-off events. [2024-02-09 23:23:44,008 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:23:44,012 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. [2024-02-09 23:23:44,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 29 transitions, 72 flow [2024-02-09 23:23:44,016 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 25 transitions, 62 flow [2024-02-09 23:23:44,028 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:23:44,028 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:23:44,028 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:23:44,028 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:23:44,028 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:23:44,028 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:23:44,028 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:23:44,029 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:23:44,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:23:44,103 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 65 [2024-02-09 23:23:44,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:23:44,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:23:44,109 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-02-09 23:23:44,110 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-02-09 23:23:44,110 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:23:44,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 86 states, but on-demand construction may add more states [2024-02-09 23:23:44,124 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 65 [2024-02-09 23:23:44,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:23:44,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:23:44,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-02-09 23:23:44,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-02-09 23:23:44,138 INFO L748 eck$LassoCheckResult]: Stem: 35#[$Ultimate##0]don't care [64] $Ultimate##0-->L24: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x] 38#[L24]don't care [51] L24-->L26: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y] 40#[L26]don't care [84] L26-->$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] 42#[$Ultimate##0, L26-1]don't care [66] $Ultimate##0-->L40-1: Formula: (= |v_thread1Thread1of1ForFork0_i#1_1| 0) InVars {} OutVars{thread1Thread1of1ForFork0_i#1=|v_thread1Thread1of1ForFork0_i#1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i#1] 44#[L40-1, L26-1]don't care [2024-02-09 23:23:44,140 INFO L750 eck$LassoCheckResult]: Loop: 44#[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[] 50#[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] 60#[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] 76#[L71, L26-1]don't care [72] L71-->L68: Formula: (not v_m_3) InVars {} OutVars{m=v_m_3} AuxVars[] AssignedVars[m] 100#[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] 44#[L40-1, L26-1]don't care [2024-02-09 23:23:44,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:44,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2881826, now seen corresponding path program 1 times [2024-02-09 23:23:44,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:44,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654199022] [2024-02-09 23:23:44,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:44,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:44,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:44,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:44,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:44,262 INFO L85 PathProgramCache]: Analyzing trace with hash 93584485, now seen corresponding path program 1 times [2024-02-09 23:23:44,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:44,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831176194] [2024-02-09 23:23:44,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:44,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:44,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:44,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:44,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:44,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2025091100, now seen corresponding path program 1 times [2024-02-09 23:23:44,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:44,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32409772] [2024-02-09 23:23:44,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:44,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:44,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:44,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:44,430 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:23:44,431 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:23:44,431 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:23:44,431 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:23:44,431 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:23:44,431 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:44,431 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:23:44,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:23:44,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: equal-array-sums-locked.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:23:44,432 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:23:44,432 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:23:44,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:44,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:44,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:44,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:44,557 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:23:44,560 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:23:44,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:44,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:44,570 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) [2024-02-09 23:23:44,580 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 [2024-02-09 23:23:44,580 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 [2024-02-09 23:23:44,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:44,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:23:44,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:44,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:44,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:44,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:23:44,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:23:44,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:44,616 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 [2024-02-09 23:23:44,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:44,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:44,619 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) [2024-02-09 23:23:44,620 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 [2024-02-09 23:23:44,624 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 [2024-02-09 23:23:44,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:44,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:44,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:44,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:44,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:23:44,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:23:44,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:44,662 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 [2024-02-09 23:23:44,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:44,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:44,664 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) [2024-02-09 23:23:44,667 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 [2024-02-09 23:23:44,688 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 [2024-02-09 23:23:44,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:44,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:44,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:44,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:44,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:23:44,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:23:44,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:23:44,730 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:23:44,730 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:23:44,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:44,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:44,740 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) [2024-02-09 23:23:44,745 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:23:44,753 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 [2024-02-09 23:23:44,757 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:23:44,758 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:23:44,758 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, thread1Thread1of1ForFork0_i#1) = 1*n - 1*thread1Thread1of1ForFork0_i#1 Supporting invariants [] [2024-02-09 23:23:44,764 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 [2024-02-09 23:23:44,767 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:23:44,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:44,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:23:44,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:44,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:23:44,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:23:44,934 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 [2024-02-09 23:23:44,937 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 86 states, but on-demand construction may add more states Second 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) [2024-02-09 23:23:45,058 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 86 states, but on-demand construction may add more states. Second 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 201 states and 459 transitions. Complement of second has 6 states. [2024-02-09 23:23:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:23:45,068 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) [2024-02-09 23:23:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 54 transitions. [2024-02-09 23:23:45,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 4 letters. Loop has 5 letters. [2024-02-09 23:23:45,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:45,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 9 letters. Loop has 5 letters. [2024-02-09 23:23:45,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:45,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 4 letters. Loop has 10 letters. [2024-02-09 23:23:45,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:45,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 459 transitions. [2024-02-09 23:23:45,080 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 45 [2024-02-09 23:23:45,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 129 states and 294 transitions. [2024-02-09 23:23:45,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2024-02-09 23:23:45,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2024-02-09 23:23:45,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 294 transitions. [2024-02-09 23:23:45,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:23:45,091 INFO L218 hiAutomatonCegarLoop]: Abstraction has 129 states and 294 transitions. [2024-02-09 23:23:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 294 transitions. [2024-02-09 23:23:45,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2024-02-09 23:23:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 2.2767857142857144) internal successors, (255), 111 states have internal predecessors, (255), 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) [2024-02-09 23:23:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2024-02-09 23:23:45,165 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 255 transitions. [2024-02-09 23:23:45,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 112 states and 255 transitions. [2024-02-09 23:23:45,165 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:23:45,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 255 transitions. [2024-02-09 23:23:45,167 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 45 [2024-02-09 23:23:45,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:23:45,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:23:45,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:23:45,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-02-09 23:23:45,168 INFO L748 eck$LassoCheckResult]: Stem: 632#[$Ultimate##0]don't care [64] $Ultimate##0-->L24: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x] 634#[L24]don't care [51] L24-->L26: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y] 608#[L26]don't care [84] L26-->$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] 470#[$Ultimate##0, L26-1]don't care [87] L26-1-->$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] 474#[$Ultimate##0, $Ultimate##0, L27]don't care [74] $Ultimate##0-->L54-1: Formula: (= |v_thread2Thread1of1ForFork1_j#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j#1] 504#[$Ultimate##0, L54-1, L27]don't care [2024-02-09 23:23:45,168 INFO L750 eck$LassoCheckResult]: Loop: 504#[$Ultimate##0, L54-1, 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[] 508#[$Ultimate##0, L65, L27]don't care [78] L65-->L65-2: Formula: (and (not v_m_8) v_m_7) InVars {m=v_m_8} OutVars{m=v_m_7} AuxVars[] AssignedVars[m] 596#[$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] 598#[$Ultimate##0, L71, L27]don't care [80] L71-->L68: Formula: (not v_m_6) InVars {} OutVars{m=v_m_6} AuxVars[] AssignedVars[m] 542#[L68, $Ultimate##0, L27]don't care [81] L68-->L54-1: Formula: (= (+ |v_thread2Thread1of1ForFork1_j#1_9| 1) |v_thread2Thread1of1ForFork1_j#1_10|) InVars {thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_9|} OutVars{thread2Thread1of1ForFork1_j#1=|v_thread2Thread1of1ForFork1_j#1_10|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j#1] 504#[$Ultimate##0, L54-1, L27]don't care [2024-02-09 23:23:45,168 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:45,169 INFO L85 PathProgramCache]: Analyzing trace with hash 89337331, now seen corresponding path program 1 times [2024-02-09 23:23:45,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:45,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000028886] [2024-02-09 23:23:45,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:45,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:45,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:45,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-02-09 23:23:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:45,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:45,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:45,188 INFO L85 PathProgramCache]: Analyzing trace with hash 101218925, now seen corresponding path program 1 times [2024-02-09 23:23:45,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:45,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252214898] [2024-02-09 23:23:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:45,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:45,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:45,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:45,198 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:45,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1013042245, now seen corresponding path program 1 times [2024-02-09 23:23:45,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:45,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355709988] [2024-02-09 23:23:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:45,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:45,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:45,318 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:23:45,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:23:45,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:23:45,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:23:45,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:23:45,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:23:45,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:23:45,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: equal-array-sums-locked.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:23:45,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:23:45,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:23:45,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:45,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:23:45,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:23:45,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:45,425 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) [2024-02-09 23:23:45,434 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 [2024-02-09 23:23:45,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:45,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:45,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:45,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:45,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:23:45,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:23:45,448 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 [2024-02-09 23:23:45,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:45,465 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 [2024-02-09 23:23:45,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:45,469 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) [2024-02-09 23:23:45,475 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 [2024-02-09 23:23:45,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:45,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:45,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:45,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:45,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:23:45,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:23:45,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:45,504 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 [2024-02-09 23:23:45,507 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 [2024-02-09 23:23:45,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:45,510 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) [2024-02-09 23:23:45,515 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 [2024-02-09 23:23:45,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:45,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:23:45,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:45,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:45,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:45,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:23:45,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:23:45,528 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 [2024-02-09 23:23:45,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:45,545 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 [2024-02-09 23:23:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:45,547 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) [2024-02-09 23:23:45,553 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 [2024-02-09 23:23:45,556 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 [2024-02-09 23:23:45,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:45,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:45,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:45,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:45,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:23:45,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:23:45,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:45,590 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 [2024-02-09 23:23:45,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:45,592 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) [2024-02-09 23:23:45,593 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 [2024-02-09 23:23:45,594 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 [2024-02-09 23:23:45,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:45,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:45,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:45,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:45,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:23:45,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:23:45,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:23:45,621 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-09 23:23:45,621 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:23:45,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:45,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:45,625 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) [2024-02-09 23:23:45,635 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:23:45,644 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 [2024-02-09 23:23:45,654 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:23:45,654 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:23:45,654 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, thread2Thread1of1ForFork1_j#1) = 1*n - 1*thread2Thread1of1ForFork1_j#1 Supporting invariants [] [2024-02-09 23:23:45,658 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 [2024-02-09 23:23:45,659 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:23:45,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:45,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:23:45,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:45,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:23:45,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:23:45,747 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 [2024-02-09 23:23:45,747 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 255 transitions. cyclomatic complexity: 155 Second 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) [2024-02-09 23:23:45,807 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 255 transitions. cyclomatic complexity: 155. Second 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 282 states and 671 transitions. Complement of second has 6 states. [2024-02-09 23:23:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:23:45,811 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) [2024-02-09 23:23:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2024-02-09 23:23:45,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 46 transitions. Stem has 5 letters. Loop has 5 letters. [2024-02-09 23:23:45,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:45,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 46 transitions. Stem has 10 letters. Loop has 5 letters. [2024-02-09 23:23:45,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:45,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 46 transitions. Stem has 5 letters. Loop has 10 letters. [2024-02-09 23:23:45,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:45,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 282 states and 671 transitions. [2024-02-09 23:23:45,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:23:45,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 282 states to 0 states and 0 transitions. [2024-02-09 23:23:45,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:23:45,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:23:45,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:23:45,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:23:45,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:23:45,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:23:45,821 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:23:45,821 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:23:45,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:23:45,821 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:23:45,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:23:45,829 INFO L201 PluginConnector]: Adding new model equal-array-sums-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:23:45 BoogieIcfgContainer [2024-02-09 23:23:45,829 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:23:45,830 INFO L158 Benchmark]: Toolchain (without parser) took 2298.03ms. Allocated memory was 164.6MB in the beginning and 242.2MB in the end (delta: 77.6MB). Free memory was 135.8MB in the beginning and 172.6MB in the end (delta: -36.8MB). Peak memory consumption was 40.8MB. Max. memory is 8.0GB. [2024-02-09 23:23:45,830 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:23:45,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 164.6MB. Free memory was 135.5MB in the beginning and 133.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-09 23:23:45,832 INFO L158 Benchmark]: Boogie Preprocessor took 35.14ms. Allocated memory was 164.6MB in the beginning and 242.2MB in the end (delta: 77.6MB). Free memory was 133.7MB in the beginning and 215.9MB in the end (delta: -82.2MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2024-02-09 23:23:45,836 INFO L158 Benchmark]: RCFGBuilder took 264.42ms. Allocated memory is still 242.2MB. Free memory was 215.9MB in the beginning and 206.8MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-09 23:23:45,836 INFO L158 Benchmark]: BuchiAutomizer took 1952.79ms. Allocated memory is still 242.2MB. Free memory was 206.5MB in the beginning and 172.6MB in the end (delta: 33.9MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2024-02-09 23:23:45,841 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 0.12ms. Allocated memory is still 164.6MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 164.6MB. Free memory was 135.5MB in the beginning and 133.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.14ms. Allocated memory was 164.6MB in the beginning and 242.2MB in the end (delta: 77.6MB). Free memory was 133.7MB in the beginning and 215.9MB in the end (delta: -82.2MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * RCFGBuilder took 264.42ms. Allocated memory is still 242.2MB. Free memory was 215.9MB in the beginning and 206.8MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 1952.79ms. Allocated memory is still 242.2MB. Free memory was 206.5MB in the beginning and 172.6MB in the end (delta: 33.9MB). Peak memory consumption was 35.3MB. 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 4 locations. One deterministic module has affine ranking function -1 * j + n and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 46 mSDtfsCounter, 70 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: 37ms 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! [2024-02-09 23:23:45,859 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 [2024-02-09 23:23:46,062 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...