/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-3threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:18:12,531 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:18:12,580 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:18:12,600 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:18:12,601 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:18:12,601 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:18:12,602 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:18:12,603 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:18:12,603 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:18:12,603 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:18:12,604 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:18:12,604 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:18:12,604 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:18:12,605 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:18:12,605 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:18:12,605 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:18:12,606 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:18:12,606 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:18:12,606 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:18:12,606 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:18:12,607 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:18:12,607 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:18:12,608 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:18:12,608 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:18:12,608 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:18:12,609 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:18:12,609 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:18:12,609 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:18:12,609 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:18:12,610 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:18:12,610 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:18:12,610 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:18:12,610 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:18:12,611 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:18:12,612 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:18:12,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:18:12,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:18:12,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:18:12,832 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:18:12,837 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:18:12,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-3threads.bpl [2023-10-12 17:18:12,838 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-3threads.bpl' [2023-10-12 17:18:12,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:18:12,865 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:18:12,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:12,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:18:12,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:18:12,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,902 INFO L138 Inliner]: procedures = 3, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2023-10-12 17:18:12,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:12,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:18:12,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:18:12,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:18:12,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:18:12,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:18:12,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:18:12,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:18:12,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/1) ... [2023-10-12 17:18:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:12,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:12,944 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) [2023-10-12 17:18:12,967 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 [2023-10-12 17:18:12,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:18:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:18:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:18:12,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2023-10-12 17:18:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-10-12 17:18:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-10-12 17:18:12,990 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:18:13,033 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:18:13,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:18:13,109 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:18:13,121 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:18:13,121 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:18:13,123 INFO L201 PluginConnector]: Adding new model array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:13 BoogieIcfgContainer [2023-10-12 17:18:13,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:18:13,124 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:18:13,124 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:18:13,127 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:18:13,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:13,128 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:12" (1/2) ... [2023-10-12 17:18:13,129 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41954bfe and model type array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:18:13, skipping insertion in model container [2023-10-12 17:18:13,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:13,130 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:13" (2/2) ... [2023-10-12 17:18:13,131 INFO L332 chiAutomizerObserver]: Analyzing ICFG array-sum-with-log-3threads.bpl [2023-10-12 17:18:13,212 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:18:13,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 126 flow [2023-10-12 17:18:13,293 INFO L124 PetriNetUnfolderBase]: 3/45 cut-off events. [2023-10-12 17:18:13,293 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:18:13,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 45 events. 3/45 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2023-10-12 17:18:13,298 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 51 transitions, 126 flow [2023-10-12 17:18:13,302 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 45 transitions, 108 flow [2023-10-12 17:18:13,305 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:18:13,317 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 45 transitions, 108 flow [2023-10-12 17:18:13,319 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 45 transitions, 108 flow [2023-10-12 17:18:13,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 45 transitions, 108 flow [2023-10-12 17:18:13,331 INFO L124 PetriNetUnfolderBase]: 3/45 cut-off events. [2023-10-12 17:18:13,331 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:18:13,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 45 events. 3/45 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2023-10-12 17:18:13,333 INFO L119 LiptonReduction]: Number of co-enabled transitions 1008 [2023-10-12 17:18:14,040 INFO L134 LiptonReduction]: Checked pairs total: 851 [2023-10-12 17:18:14,040 INFO L136 LiptonReduction]: Total number of compositions: 25 [2023-10-12 17:18:14,057 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:18:14,057 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:18:14,057 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:18:14,057 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:18:14,057 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:18:14,057 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:18:14,057 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:18:14,058 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:18:14,058 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 places, 20 transitions, 58 flow [2023-10-12 17:18:14,063 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:14,063 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2023-10-12 17:18:14,063 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:18:14,063 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:14,065 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:18:14,065 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 places, 20 transitions, 58 flow [2023-10-12 17:18:14,067 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:14,068 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2023-10-12 17:18:14,068 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:18:14,068 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:14,075 INFO L748 eck$LassoCheckResult]: Stem: 59#[$Ultimate##0]true [90] $Ultimate##0-->$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_10|, 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] 61#[L54, $Ultimate##0]true [104] $Ultimate##0-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_17| 0) (= |v_sumThread1of1ForFork0_x#1_13| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_13|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_17|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 63#[L54, L39-1]true [2023-10-12 17:18:14,075 INFO L750 eck$LassoCheckResult]: Loop: 63#[L54, L39-1]true [123] L39-1-->L25-1: Formula: (and (= (+ v_stdout_ptr_100 1) v_stdout_ptr_99) (= |v_sumThread1of1ForFork0_i#1_31| (+ |v_sumThread1of1ForFork0_i#1_32| 1)) (= (store v_stdout_98 v_stdout_ptr_100 |v_sumThread1of1ForFork0_log_msg#1_23|) v_stdout_97) (= (+ (select v_A_10 |v_sumThread1of1ForFork0_i#1_32|) |v_sumThread1of1ForFork0_x#1_22|) |v_sumThread1of1ForFork0_x#1_21|) (= |v_sumThread1of1ForFork0_i#1_31| |v_sumThread1of1ForFork0_log_msg#1_23|) (< |v_sumThread1of1ForFork0_i#1_32| v_N_17)) InVars {A=v_A_10, stdout=v_stdout_98, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_22|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_32|, stdout_ptr=v_stdout_ptr_100} OutVars{A=v_A_10, stdout=v_stdout_97, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_21|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_23|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_31|, stdout_ptr=v_stdout_ptr_99} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 66#[L54, L25-1]true [119] L25-1-->L39-1: Formula: (and (= (+ v_stdout_ptr_66 1) v_stdout_ptr_65) (= (store v_stdout_64 v_stdout_ptr_66 |v_sumThread1of1ForFork0_log_msg#1_19|) v_stdout_63) (= |v_sumThread1of1ForFork0_x#1_19| |v_sumThread1of1ForFork0_log_msg#1_19|)) InVars {stdout=v_stdout_64, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_19|, stdout_ptr=v_stdout_ptr_66} OutVars{stdout=v_stdout_63, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_19|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_19|, stdout_ptr=v_stdout_ptr_65} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 63#[L54, L39-1]true [2023-10-12 17:18:14,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash 3855, now seen corresponding path program 1 times [2023-10-12 17:18:14,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:14,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720860885] [2023-10-12 17:18:14,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:14,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:14,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:14,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:14,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:14,207 INFO L85 PathProgramCache]: Analyzing trace with hash 4893, now seen corresponding path program 1 times [2023-10-12 17:18:14,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:14,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104915379] [2023-10-12 17:18:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:14,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:14,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:14,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:14,252 INFO L85 PathProgramCache]: Analyzing trace with hash 3708587, now seen corresponding path program 1 times [2023-10-12 17:18:14,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:14,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146462331] [2023-10-12 17:18:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:14,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:14,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:14,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:14,384 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:14,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:14,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:14,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:14,385 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:14,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:14,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:14,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:14,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-3threads.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:18:14,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:14,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:14,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:14,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:14,520 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:14,523 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:14,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:14,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:14,533 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) [2023-10-12 17:18:14,540 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 [2023-10-12 17:18:14,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:14,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:14,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:14,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:14,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:14,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:14,558 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 [2023-10-12 17:18:14,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:14,579 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 [2023-10-12 17:18:14,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:14,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:14,582 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) [2023-10-12 17:18:14,585 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 [2023-10-12 17:18:14,587 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 [2023-10-12 17:18:14,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:14,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:14,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:14,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:14,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:14,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:14,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:14,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:14,607 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 [2023-10-12 17:18:14,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:14,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:14,608 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) [2023-10-12 17:18:14,611 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 [2023-10-12 17:18:14,612 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 [2023-10-12 17:18:14,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:14,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:14,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:14,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:14,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:14,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:14,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:14,644 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 [2023-10-12 17:18:14,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:14,646 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) [2023-10-12 17:18:14,656 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 [2023-10-12 17:18:14,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:14,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:14,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:14,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:14,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:14,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:14,676 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 [2023-10-12 17:18:14,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:14,699 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:18:14,699 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:18:14,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:14,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:14,704 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) [2023-10-12 17:18:14,707 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:14,715 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 [2023-10-12 17:18:14,730 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:14,730 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:14,731 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_i#1, N) = -1*sumThread1of1ForFork0_i#1 + 1*N Supporting invariants [] [2023-10-12 17:18:14,737 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 [2023-10-12 17:18:14,742 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:14,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:14,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:14,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:14,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:14,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:14,828 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 [2023-10-12 17:18:14,829 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:15,003 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 448 transitions. [2023-10-12 17:18:15,005 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:15,009 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:15,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2023-10-12 17:18:15,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:18:15,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:15,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:18:15,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:15,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 2 letters. Loop has 4 letters. [2023-10-12 17:18:15,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:15,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 228 transitions, 1116 flow [2023-10-12 17:18:15,176 INFO L124 PetriNetUnfolderBase]: 698/1014 cut-off events. [2023-10-12 17:18:15,176 INFO L125 PetriNetUnfolderBase]: For 164/164 co-relation queries the response was YES. [2023-10-12 17:18:15,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2228 conditions, 1014 events. 698/1014 cut-off events. For 164/164 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 3917 event pairs, 16 based on Foata normal form. 0/710 useless extension candidates. Maximal degree in co-relation 2000. Up to 346 conditions per place. [2023-10-12 17:18:15,181 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 37 places, 228 transitions, 1116 flow [2023-10-12 17:18:15,185 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 [2023-10-12 17:18:15,186 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 37 places, 228 transitions, 1116 flow [2023-10-12 17:18:15,186 INFO L430 stractBuchiCegarLoop]: Abstraction has has 37 places, 228 transitions, 1116 flow [2023-10-12 17:18:15,186 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:18:15,187 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 places, 228 transitions, 1116 flow [2023-10-12 17:18:15,192 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:15,192 INFO L124 PetriNetUnfolderBase]: 28/52 cut-off events. [2023-10-12 17:18:15,192 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-10-12 17:18:15,193 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:15,193 INFO L748 eck$LassoCheckResult]: Stem: 59#[$Ultimate##0]true [90] $Ultimate##0-->$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_10|, 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] 61#[L54, $Ultimate##0]true [93] L54-->$Ultimate##0: Formula: (and (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_10|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_10|, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_16|, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_i#1, sumThread1of1ForFork1_thidvar1] 118#[$Ultimate##0, $Ultimate##0, L55]true [100] $Ultimate##0-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_17|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 120#[L39-1, $Ultimate##0, L55]true [2023-10-12 17:18:15,193 INFO L750 eck$LassoCheckResult]: Loop: 120#[L39-1, $Ultimate##0, L55]true [122] L39-1-->L25-1: Formula: (and (= (+ (select v_A_8 |v_sumThread1of1ForFork1_i#1_34|) |v_sumThread1of1ForFork1_x#1_26|) |v_sumThread1of1ForFork1_x#1_25|) (< |v_sumThread1of1ForFork1_i#1_34| v_N_15) (= |v_sumThread1of1ForFork1_i#1_33| |v_sumThread1of1ForFork1_log_msg#1_31|) (= v_stdout_ptr_95 (+ v_stdout_ptr_96 1)) (= (store v_stdout_94 v_stdout_ptr_96 |v_sumThread1of1ForFork1_log_msg#1_31|) v_stdout_93) (= |v_sumThread1of1ForFork1_i#1_33| (+ |v_sumThread1of1ForFork1_i#1_34| 1))) InVars {A=v_A_8, stdout=v_stdout_94, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_26|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_34|, stdout_ptr=v_stdout_ptr_96} OutVars{A=v_A_8, stdout=v_stdout_93, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_25|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_31|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_33|, stdout_ptr=v_stdout_ptr_95} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 123#[L25-1, $Ultimate##0, L55]true [120] L25-1-->L39-1: Formula: (and (= (store v_stdout_74 v_stdout_ptr_76 |v_sumThread1of1ForFork1_log_msg#1_25|) v_stdout_73) (= v_stdout_ptr_75 (+ v_stdout_ptr_76 1)) (= |v_sumThread1of1ForFork1_x#1_23| |v_sumThread1of1ForFork1_log_msg#1_25|)) InVars {stdout=v_stdout_74, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_23|, stdout_ptr=v_stdout_ptr_76} OutVars{stdout=v_stdout_73, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_23|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_25|, stdout_ptr=v_stdout_ptr_75} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_log_msg#1, stdout_ptr] 120#[L39-1, $Ultimate##0, L55]true [2023-10-12 17:18:15,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:15,194 INFO L85 PathProgramCache]: Analyzing trace with hash 119264, now seen corresponding path program 1 times [2023-10-12 17:18:15,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:15,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802830793] [2023-10-12 17:18:15,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:15,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:15,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:15,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:15,217 INFO L85 PathProgramCache]: Analyzing trace with hash 4863, now seen corresponding path program 1 times [2023-10-12 17:18:15,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:15,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095308852] [2023-10-12 17:18:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:15,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:15,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:15,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:15,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash 114616606, now seen corresponding path program 1 times [2023-10-12 17:18:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:15,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729037478] [2023-10-12 17:18:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:15,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:15,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:15,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:15,349 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:15,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:15,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:15,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:15,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:15,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:15,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:15,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:15,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-3threads.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:18:15,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:15,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:15,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:15,459 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:15,459 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:15,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:15,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:15,461 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) [2023-10-12 17:18:15,472 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 [2023-10-12 17:18:15,472 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 [2023-10-12 17:18:15,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:15,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:15,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:15,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:15,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:15,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:15,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:15,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:15,494 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 [2023-10-12 17:18:15,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:15,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:15,495 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) [2023-10-12 17:18:15,506 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 [2023-10-12 17:18:15,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:15,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:15,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:15,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:15,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:15,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:15,525 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 [2023-10-12 17:18:15,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:15,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:15,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:15,554 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) [2023-10-12 17:18:15,564 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 [2023-10-12 17:18:15,564 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 [2023-10-12 17:18:15,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:15,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:15,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:15,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:15,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:15,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:15,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:15,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:15,592 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 [2023-10-12 17:18:15,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:15,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:15,594 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) [2023-10-12 17:18:15,597 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 [2023-10-12 17:18:15,598 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 [2023-10-12 17:18:15,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:15,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:15,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:15,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:15,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:15,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:15,624 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:15,658 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:18:15,659 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:18:15,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:15,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:15,660 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) [2023-10-12 17:18:15,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:15,713 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 [2023-10-12 17:18:15,719 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:15,720 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:15,720 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork1_i#1) = 1*N - 1*sumThread1of1ForFork1_i#1 Supporting invariants [] [2023-10-12 17:18:15,726 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 [2023-10-12 17:18:15,729 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:15,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:15,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:15,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:15,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:15,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:15,784 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 [2023-10-12 17:18:15,785 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:15,910 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 448 transitions. [2023-10-12 17:18:15,910 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:15,923 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2023-10-12 17:18:15,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:18:15,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:15,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:18:15,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:15,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:18:15,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:15,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 2592 transitions, 17856 flow [2023-10-12 17:18:16,129 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 [2023-10-12 17:18:16,310 INFO L124 PetriNetUnfolderBase]: 2384/3326 cut-off events. [2023-10-12 17:18:16,310 INFO L125 PetriNetUnfolderBase]: For 495/495 co-relation queries the response was YES. [2023-10-12 17:18:16,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10580 conditions, 3326 events. 2384/3326 cut-off events. For 495/495 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 15318 event pairs, 13 based on Foata normal form. 0/2138 useless extension candidates. Maximal degree in co-relation 9995. Up to 1254 conditions per place. [2023-10-12 17:18:16,314 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 47 places, 2592 transitions, 17856 flow [2023-10-12 17:18:16,340 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 47 places, 2592 transitions, 17856 flow [2023-10-12 17:18:16,341 INFO L430 stractBuchiCegarLoop]: Abstraction has has 47 places, 2592 transitions, 17856 flow [2023-10-12 17:18:16,341 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:18:16,341 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 47 places, 2592 transitions, 17856 flow [2023-10-12 17:18:16,358 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:16,358 INFO L124 PetriNetUnfolderBase]: 68/122 cut-off events. [2023-10-12 17:18:16,358 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-10-12 17:18:16,358 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:16,359 INFO L748 eck$LassoCheckResult]: Stem: 59#[$Ultimate##0]true [90] $Ultimate##0-->$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_10|, 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] 61#[L54, $Ultimate##0]true [93] L54-->$Ultimate##0: Formula: (and (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_10|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_10|, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_16|, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_i#1, sumThread1of1ForFork1_thidvar1] 118#[$Ultimate##0, $Ultimate##0, L55]true [96] L55-->$Ultimate##0: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2)) InVars {} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_x#1=|v_sumThread1of1ForFork2_x#1_10|, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, sumThread1of1ForFork2_log_msg#1=|v_sumThread1of1ForFork2_log_msg#1_10|, sumThread1of1ForFork2_i#1=|v_sumThread1of1ForFork2_i#1_16|} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_x#1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_log_msg#1, sumThread1of1ForFork2_i#1] 173#[L56, $Ultimate##0, $Ultimate##0, $Ultimate##0]true [108] $Ultimate##0-->L39-1: Formula: (and (= |v_sumThread1of1ForFork2_x#1_17| 0) (= |v_sumThread1of1ForFork2_i#1_21| 0)) InVars {} OutVars{sumThread1of1ForFork2_x#1=|v_sumThread1of1ForFork2_x#1_17|, sumThread1of1ForFork2_i#1=|v_sumThread1of1ForFork2_i#1_21|} AuxVars[] AssignedVars[sumThread1of1ForFork2_x#1, sumThread1of1ForFork2_i#1] 175#[L39-1, L56, $Ultimate##0, $Ultimate##0]true [2023-10-12 17:18:16,359 INFO L750 eck$LassoCheckResult]: Loop: 175#[L39-1, L56, $Ultimate##0, $Ultimate##0]true [124] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork2_i#1_31| (+ |v_sumThread1of1ForFork2_i#1_32| 1)) (= v_stdout_101 (store v_stdout_102 v_stdout_ptr_104 |v_sumThread1of1ForFork2_i#1_31|)) (< |v_sumThread1of1ForFork2_i#1_32| v_N_19) (= |v_sumThread1of1ForFork2_x#1_25| (+ (select v_A_12 |v_sumThread1of1ForFork2_i#1_32|) |v_sumThread1of1ForFork2_x#1_26|)) (= |v_sumThread1of1ForFork2_x#1_25| |v_sumThread1of1ForFork2_log_msg#1_33|) (= v_stdout_ptr_103 (+ v_stdout_ptr_104 1))) InVars {A=v_A_12, sumThread1of1ForFork2_x#1=|v_sumThread1of1ForFork2_x#1_26|, stdout=v_stdout_102, N=v_N_19, sumThread1of1ForFork2_i#1=|v_sumThread1of1ForFork2_i#1_32|, stdout_ptr=v_stdout_ptr_104} OutVars{A=v_A_12, sumThread1of1ForFork2_x#1=|v_sumThread1of1ForFork2_x#1_25|, stdout=v_stdout_101, N=v_N_19, sumThread1of1ForFork2_log_msg#1=|v_sumThread1of1ForFork2_log_msg#1_33|, sumThread1of1ForFork2_i#1=|v_sumThread1of1ForFork2_i#1_31|, stdout_ptr=v_stdout_ptr_103} AuxVars[] AssignedVars[sumThread1of1ForFork2_x#1, stdout, sumThread1of1ForFork2_log_msg#1, sumThread1of1ForFork2_i#1, stdout_ptr] 178#[L25-2, L56, $Ultimate##0, $Ultimate##0]true [110] L25-2-->L39-1: Formula: (and (= v_stdout_ptr_33 (+ v_stdout_ptr_34 1)) (= (store v_stdout_32 v_stdout_ptr_34 |v_sumThread1of1ForFork2_log_msg#1_13|) v_stdout_31)) InVars {stdout=v_stdout_32, sumThread1of1ForFork2_log_msg#1=|v_sumThread1of1ForFork2_log_msg#1_13|, stdout_ptr=v_stdout_ptr_34} OutVars{stdout=v_stdout_31, sumThread1of1ForFork2_log_msg#1=|v_sumThread1of1ForFork2_log_msg#1_13|, stdout_ptr=v_stdout_ptr_33} AuxVars[] AssignedVars[stdout, stdout_ptr] 175#[L39-1, L56, $Ultimate##0, $Ultimate##0]true [2023-10-12 17:18:16,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:16,360 INFO L85 PathProgramCache]: Analyzing trace with hash 3697168, now seen corresponding path program 1 times [2023-10-12 17:18:16,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:16,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160904586] [2023-10-12 17:18:16,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:16,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:16,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:16,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:16,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash 4915, now seen corresponding path program 1 times [2023-10-12 17:18:16,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:16,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007522527] [2023-10-12 17:18:16,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:16,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:16,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:16,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:16,400 INFO L85 PathProgramCache]: Analyzing trace with hash -741984894, now seen corresponding path program 1 times [2023-10-12 17:18:16,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:16,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027501407] [2023-10-12 17:18:16,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:16,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:16,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:16,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:16,517 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:16,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:16,518 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:16,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:16,518 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:16,518 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,518 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:16,518 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:16,518 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-3threads.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:18:16,518 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:16,519 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:16,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,529 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:16,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:16,686 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,687 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-10-12 17:18:16,691 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 [2023-10-12 17:18:16,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:16,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:16,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:16,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,744 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 [2023-10-12 17:18:16,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:18:16,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:16,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:16,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,775 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:18:16,778 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 [2023-10-12 17:18:16,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:16,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:16,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:16,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,808 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:18:16,812 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 [2023-10-12 17:18:16,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:16,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:16,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,844 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,850 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 [2023-10-12 17:18:16,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:16,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:16,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:18:16,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,874 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:18:16,878 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 [2023-10-12 17:18:16,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:16,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:16,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,923 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:18:16,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:18:16,931 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 [2023-10-12 17:18:16,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:16,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:16,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:16,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:16,970 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2023-10-12 17:18:16,976 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 [2023-10-12 17:18:16,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:16,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:16,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:16,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:16,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:16,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:16,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:16,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:18:16,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:17,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:17,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:17,002 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2023-10-12 17:18:17,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:18:17,006 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 [2023-10-12 17:18:17,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:17,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:17,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:17,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:17,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:17,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:17,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:17,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:17,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:17,033 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2023-10-12 17:18:17,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:18:17,036 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 [2023-10-12 17:18:17,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:17,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:17,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:17,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:17,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:17,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:17,056 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:17,060 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:18:17,060 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:18:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:17,065 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2023-10-12 17:18:17,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-10-12 17:18:17,100 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:17,107 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:17,108 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:17,108 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork2_i#1, N) = -1*sumThread1of1ForFork2_i#1 + 1*N Supporting invariants [] [2023-10-12 17:18:17,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:17,116 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:17,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:17,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:17,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:17,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:17,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:17,169 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 [2023-10-12 17:18:17,169 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:17,280 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 448 transitions. [2023-10-12 17:18:17,280 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:17,437 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2023-10-12 17:18:17,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:18:17,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:17,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:18:17,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:17,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 222 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:18:17,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:17,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 29376 transitions, 260928 flow [2023-10-12 17:18:18,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:24,745 INFO L124 PetriNetUnfolderBase]: 7034/9634 cut-off events. [2023-10-12 17:18:24,745 INFO L125 PetriNetUnfolderBase]: For 1376/1376 co-relation queries the response was YES. [2023-10-12 17:18:24,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39732 conditions, 9634 events. 7034/9634 cut-off events. For 1376/1376 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 50179 event pairs, 1 based on Foata normal form. 0/5851 useless extension candidates. Maximal degree in co-relation 37903. Up to 3743 conditions per place. [2023-10-12 17:18:24,753 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 57 places, 29376 transitions, 260928 flow [2023-10-12 17:18:25,029 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 57 places, 29376 transitions, 260928 flow [2023-10-12 17:18:25,030 INFO L430 stractBuchiCegarLoop]: Abstraction has has 57 places, 29376 transitions, 260928 flow [2023-10-12 17:18:25,030 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:18:25,030 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 57 places, 29376 transitions, 260928 flow [2023-10-12 17:18:33,331 INFO L124 PetriNetUnfolderBase]: 7034/9634 cut-off events. [2023-10-12 17:18:33,332 INFO L125 PetriNetUnfolderBase]: For 1376/1376 co-relation queries the response was YES. [2023-10-12 17:18:33,332 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:18:33,337 INFO L201 PluginConnector]: Adding new model array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:18:33 BoogieIcfgContainer [2023-10-12 17:18:33,337 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:18:33,337 INFO L158 Benchmark]: Toolchain (without parser) took 20472.57ms. Allocated memory was 180.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 134.0MB in the beginning and 535.6MB in the end (delta: -401.6MB). Peak memory consumption was 849.9MB. Max. memory is 8.0GB. [2023-10-12 17:18:33,338 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 180.4MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:18:33,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 180.4MB. Free memory was 134.0MB in the beginning and 132.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:18:33,338 INFO L158 Benchmark]: Boogie Preprocessor took 14.56ms. Allocated memory is still 180.4MB. Free memory was 132.1MB in the beginning and 131.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:18:33,339 INFO L158 Benchmark]: RCFGBuilder took 204.46ms. Allocated memory is still 180.4MB. Free memory was 131.1MB in the beginning and 121.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:18:33,339 INFO L158 Benchmark]: BuchiAutomizer took 20212.70ms. Allocated memory was 180.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 121.5MB in the beginning and 535.6MB in the end (delta: -414.1MB). Peak memory consumption was 837.3MB. Max. memory is 8.0GB. [2023-10-12 17:18:33,341 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 0.28ms. Allocated memory is still 180.4MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 180.4MB. Free memory was 134.0MB in the beginning and 132.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.56ms. Allocated memory is still 180.4MB. Free memory was 132.1MB in the beginning and 131.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 204.46ms. Allocated memory is still 180.4MB. Free memory was 131.1MB in the beginning and 121.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 20212.70ms. Allocated memory was 180.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 121.5MB in the beginning and 535.6MB in the end (delta: -414.1MB). Peak memory consumption was 837.3MB. 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 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.0s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 437 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 294 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 207 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital52 mio100 ax100 hnf100 lsp81 ukn73 mio100 lsp45 div100 bol100 ite100 ukn100 eq218 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7s, 52 PlacesBefore, 27 PlacesAfterwards, 45 TransitionsBefore, 20 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 25 TotalNumberOfCompositions, 851 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 754, independent: 742, independent conditional: 0, independent unconditional: 742, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 623, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 623, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 754, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 623, unknown conditional: 0, unknown unconditional: 623] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:18:33,365 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...