/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/POPL2023/array-sum-with-log-5threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:24:01,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:24:01,175 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 23:24:01,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:24:01,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:24:01,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:24:01,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:24:01,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:24:01,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:24:01,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:24:01,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:24:01,213 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:24:01,213 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:24:01,213 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:24:01,214 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:24:01,214 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:24:01,214 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:24:01,214 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:24:01,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:24:01,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:24:01,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:24:01,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:24:01,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:24:01,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:24:01,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:24:01,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:24:01,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:24:01,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:24:01,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:24:01,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:24:01,230 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:24:01,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:24:01,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:24:01,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:24:01,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:24:01,231 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:24:01,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:24:01,232 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:24:01,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:24:01,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:24:01,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:24:01,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:24:01,495 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:24:01,496 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:24:01,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-5threads.bpl [2024-02-09 23:24:01,497 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-5threads.bpl' [2024-02-09 23:24:01,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:24:01,532 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:24:01,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:01,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:24:01,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:24:01,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,562 INFO L138 Inliner]: procedures = 3, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-02-09 23:24:01,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:24:01,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:24:01,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:24:01,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:24:01,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:24:01,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:24:01,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:24:01,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:24:01,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/1) ... [2024-02-09 23:24:01,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:01,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:01,680 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 23:24:01,692 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 23:24:01,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:24:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:24:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:24:01,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-09 23:24:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-09 23:24:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-09 23:24:01,731 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 23:24:01,772 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:24:01,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:24:01,852 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:24:01,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:24:01,865 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:24:01,866 INFO L201 PluginConnector]: Adding new model array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:01 BoogieIcfgContainer [2024-02-09 23:24:01,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:24:01,867 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:24:01,867 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:24:01,872 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:24:01,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:01,873 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:24:01" (1/2) ... [2024-02-09 23:24:01,874 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d697c54 and model type array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:24:01, skipping insertion in model container [2024-02-09 23:24:01,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:24:01,875 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-5threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:24:01" (2/2) ... [2024-02-09 23:24:01,876 INFO L332 chiAutomizerObserver]: Analyzing ICFG array-sum-with-log-5threads.bpl [2024-02-09 23:24:01,962 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-02-09 23:24:01,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 211 flow [2024-02-09 23:24:02,049 INFO L124 PetriNetUnfolderBase]: 5/78 cut-off events. [2024-02-09 23:24:02,049 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-02-09 23:24:02,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 78 events. 5/78 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 276 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2024-02-09 23:24:02,056 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 211 flow [2024-02-09 23:24:02,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 78 transitions, 186 flow [2024-02-09 23:24:02,071 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:24:02,071 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:24:02,072 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:24:02,073 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:24:02,073 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:24:02,073 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:24:02,073 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:24:02,073 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:24:02,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:24:33,844 INFO L131 ngComponentsAnalysis]: Automaton has 2981 accepting balls. 431469 [2024-02-09 23:24:33,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:33,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:33,849 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:33,849 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-09 23:24:33,849 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:24:33,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 433177 states, but on-demand construction may add more states [2024-02-09 23:24:46,226 INFO L131 ngComponentsAnalysis]: Automaton has 2981 accepting balls. 431469 [2024-02-09 23:24:46,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:24:46,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:24:46,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:24:46,228 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-09 23:24:46,232 INFO L748 eck$LassoCheckResult]: Stem: 97#[$Ultimate##0]don't care [129] $Ultimate##0-->$Ultimate##0: Formula: (= v_sumThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_10|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_14|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_16|, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, sumThread1of1ForFork0_thidvar0] 100#[L54, $Ultimate##0]don't care [62] $Ultimate##0-->L38: Formula: (= |v_sumThread1of1ForFork0_x#1_1| 0) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_1|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1] 104#[L38, L54]don't care [63] L38-->L39-1: Formula: (= |v_sumThread1of1ForFork0_i#1_1| 0) InVars {} OutVars{sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_1|} AuxVars[] AssignedVars[sumThread1of1ForFork0_i#1] 112#[L39-1, L54]don't care [2024-02-09 23:24:46,233 INFO L750 eck$LassoCheckResult]: Loop: 112#[L39-1, L54]don't care [65] L39-1-->L40: Formula: (< |v_sumThread1of1ForFork0_i#1_5| v_N_2) InVars {N=v_N_2, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_5|} OutVars{N=v_N_2, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_5|} AuxVars[] AssignedVars[] 130#[L54, L40]don't care [67] L40-->L41: Formula: (= |v_sumThread1of1ForFork0_x#1_4| (+ (select v_A_1 |v_sumThread1of1ForFork0_i#1_7|) |v_sumThread1of1ForFork0_x#1_3|)) InVars {A=v_A_1, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_3|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_7|} OutVars{A=v_A_1, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_4|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_7|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1] 168#[L54, L41]don't care [68] L41-->L44: Formula: (= |v_sumThread1of1ForFork0_i#1_10| (+ |v_sumThread1of1ForFork0_i#1_9| 1)) InVars {sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_9|} OutVars{sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_10|} AuxVars[] AssignedVars[sumThread1of1ForFork0_i#1] 244#[L54, L44]don't care [69] L44-->L25: Formula: (= |v_sumThread1of1ForFork0_log_msg#1_1| |v_sumThread1of1ForFork0_i#1_13|) InVars {sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_13|} OutVars{sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_1|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_13|} AuxVars[] AssignedVars[sumThread1of1ForFork0_log_msg#1] 392#[L25, L54]don't care [70] L25-->L25-1: Formula: (and (= v_stdout_5 (store v_stdout_6 v_stdout_ptr_8 |v_sumThread1of1ForFork0_log_msg#1_3|)) (= (+ v_stdout_ptr_8 1) v_stdout_ptr_7)) InVars {stdout=v_stdout_6, stdout_ptr=v_stdout_ptr_8, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_3|} OutVars{stdout=v_stdout_5, stdout_ptr=v_stdout_ptr_7, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_3|} AuxVars[] AssignedVars[stdout, stdout_ptr] 672#[L54, L25-1]don't care [71] L25-1-->L45: Formula: true InVars {} OutVars{sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_5|} AuxVars[] AssignedVars[sumThread1of1ForFork0_log_msg#1] 1180#[L54, L45]don't care [72] L45-->L25-2: Formula: (= |v_sumThread1of1ForFork0_log_msg#1_7| |v_sumThread1of1ForFork0_x#1_7|) InVars {sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_7|} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_7|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_7|} AuxVars[] AssignedVars[sumThread1of1ForFork0_log_msg#1] 2056#[L54, L25-2]don't care [73] L25-2-->L25-3: Formula: (and (= (+ v_stdout_ptr_12 1) v_stdout_ptr_11) (= v_stdout_9 (store v_stdout_10 v_stdout_ptr_12 |v_sumThread1of1ForFork0_log_msg#1_9|))) InVars {stdout=v_stdout_10, stdout_ptr=v_stdout_ptr_12, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_9|} OutVars{stdout=v_stdout_9, stdout_ptr=v_stdout_ptr_11, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_9|} AuxVars[] AssignedVars[stdout, stdout_ptr] 3502#[L25-3, L54]don't care [74] L25-3-->L39-1: Formula: true InVars {} OutVars{sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_11|} AuxVars[] AssignedVars[sumThread1of1ForFork0_log_msg#1] 112#[L39-1, L54]don't care [2024-02-09 23:24:46,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash 155745, now seen corresponding path program 1 times [2024-02-09 23:24:46,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:46,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144339258] [2024-02-09 23:24:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:46,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:46,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:46,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:46,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:46,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1350191588, now seen corresponding path program 1 times [2024-02-09 23:24:46,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:46,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409003496] [2024-02-09 23:24:46,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:46,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:46,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:46,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:46,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:46,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1487820164, now seen corresponding path program 1 times [2024-02-09 23:24:46,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:24:46,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554413600] [2024-02-09 23:24:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:24:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:24:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:46,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:24:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:24:46,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:24:46,522 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:24:46,522 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:24:46,522 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:24:46,522 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:24:46,522 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:24:46,522 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:24:46,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:24:46,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-5threads.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:24:46,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:24:46,523 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:24:46,535 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 23:24:46,547 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 23:24:46,590 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 23:24:46,671 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:24:46,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:24:46,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:46,712 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 23:24:46,713 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 23:24:46,729 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 23:24:46,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:46,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:46,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:46,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:46,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:46,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:46,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:46,788 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 23:24:46,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:46,791 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 23:24:46,793 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 23:24:46,794 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 23:24:46,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:46,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:46,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:46,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:46,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:46,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:46,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:46,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-09 23:24:46,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:46,816 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 23:24:46,817 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 23:24:46,818 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 23:24:46,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:46,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:46,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:46,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:46,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:46,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:46,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:46,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:46,836 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 23:24:46,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:46,837 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 23:24:46,838 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 23:24:46,840 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 23:24:46,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:46,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:24:46,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:46,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:46,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:46,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:24:46,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:24:46,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:24:46,861 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 [2024-02-09 23:24:46,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:46,873 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 23:24:46,878 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 23:24:46,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:24:46,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:24:46,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:24:46,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:24:46,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:24:46,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:24:46,893 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 23:24:46,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:24:46,916 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:24:46,916 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:24:46,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:24:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:24:46,920 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 23:24:46,925 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:24:46,933 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 23:24:46,943 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:24:46,944 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:24:46,944 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_i#1, N) = -1*sumThread1of1ForFork0_i#1 + 1*N Supporting invariants [] [2024-02-09 23:24:46,948 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 23:24:46,953 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:24:46,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:24:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:46,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:24:46,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:24:47,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:24:47,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:24:47,089 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 23:24:47,120 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-02-09 23:24:47,122 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 433177 states, but on-demand construction may add more states Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 23:24:47,883 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 23:25:08,183 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 433177 states, but on-demand construction may add more states. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 1021054 states and 5464860 transitions. Complement of second has 6 states. [2024-02-09 23:25:08,197 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 23:25:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 23:25:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 249 transitions. [2024-02-09 23:25:08,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 249 transitions. Stem has 3 letters. Loop has 9 letters. [2024-02-09 23:25:08,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:08,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 249 transitions. Stem has 12 letters. Loop has 9 letters. [2024-02-09 23:25:08,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:08,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 249 transitions. Stem has 3 letters. Loop has 18 letters. [2024-02-09 23:25:08,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:25:08,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1021054 states and 5464860 transitions.