/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/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:42,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:42,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:42,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:42,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:42,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:42,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:42,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:42,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:42,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:42,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:42,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:42,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:42,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:42,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:42,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:42,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:42,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:42,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:42,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:42,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:42,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:42,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:42,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:42,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:02:42,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:42,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:42,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:42,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf [2022-09-29 15:02:42,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:42,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:42,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:42,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:42,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:42,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:42,261 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:42,261 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:42,261 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:42,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:42,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:42,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:42,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:42,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:42,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:42,264 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:42,264 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:42,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:42,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:42,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:42,574 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:42,575 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:42,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log.bpl [2022-09-29 15:02:42,577 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log.bpl' [2022-09-29 15:02:42,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:42,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:42,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:42,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:42,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:42,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,663 INFO L137 Inliner]: procedures = 3, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-09-29 15:02:42,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:42,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:42,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:42,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:42,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:42,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:42,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:42,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:42,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:42,751 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) [2022-09-29 15:02:42,763 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 [2022-09-29 15:02:42,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:42,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2022-09-29 15:02:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-09-29 15:02:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-09-29 15:02:42,807 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 15:02:42,848 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:42,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:42,956 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:42,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:42,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:42,995 INFO L202 PluginConnector]: Adding new model array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:42 BoogieIcfgContainer [2022-09-29 15:02:42,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:42,996 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:42,996 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:42,999 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:42,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:42,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/2) ... [2022-09-29 15:02:43,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41ef5c9c and model type array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:43, skipping insertion in model container [2022-09-29 15:02:43,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:43,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:42" (2/2) ... [2022-09-29 15:02:43,001 INFO L322 chiAutomizerObserver]: Analyzing ICFG array-sum-with-log.bpl [2022-09-29 15:02:43,115 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:02:43,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 98 flow [2022-09-29 15:02:43,174 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:43,174 INFO L123 PetriNetUnfolderBase]: 2/37 cut-off events. [2022-09-29 15:02:43,174 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:43,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-09-29 15:02:43,192 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 41 transitions, 98 flow [2022-09-29 15:02:43,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 37 transitions, 86 flow [2022-09-29 15:02:43,213 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:43,236 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 37 transitions, 86 flow [2022-09-29 15:02:43,238 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 37 transitions, 86 flow [2022-09-29 15:02:43,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 86 flow [2022-09-29 15:02:43,268 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:43,269 INFO L123 PetriNetUnfolderBase]: 2/37 cut-off events. [2022-09-29 15:02:43,269 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:43,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-09-29 15:02:43,272 INFO L116 LiptonReduction]: Number of co-enabled transitions 510 [2022-09-29 15:02:43,799 INFO L131 LiptonReduction]: Checked pairs total: 449 [2022-09-29 15:02:43,800 INFO L133 LiptonReduction]: Total number of compositions: 23 [2022-09-29 15:02:43,810 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:43,810 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:43,810 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:43,810 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:43,810 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:43,810 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:43,810 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:43,810 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:43,827 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 19 places, 14 transitions, 40 flow [2022-09-29 15:02:43,833 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 19 places, 14 transitions, 40 flow [2022-09-29 15:02:43,835 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:43,835 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:43,835 INFO L123 PetriNetUnfolderBase]: 0/5 cut-off events. [2022-09-29 15:02:43,835 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:43,835 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:43,838 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:43,838 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 19 places, 14 transitions, 40 flow [2022-09-29 15:02:43,841 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 19 places, 14 transitions, 40 flow [2022-09-29 15:02:43,841 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:43,841 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:43,841 INFO L123 PetriNetUnfolderBase]: 0/5 cut-off events. [2022-09-29 15:02:43,841 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:43,841 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:43,845 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 52#[L54, L39-1]true [2022-09-29 15:02:43,859 INFO L735 eck$LassoCheckResult]: Loop: 52#[L54, L39-1]true [114] L39-1-->L45-1: Formula: (and (= |v_sumThread1of1ForFork0_x#1_27| (+ |v_sumThread1of1ForFork0_x#1_28| (select v_A_14 |v_sumThread1of1ForFork0_i#1_36|))) (= (+ |v_sumThread1of1ForFork0_i#1_36| 1) |v_sumThread1of1ForFork0_i#1_35|) (< |v_sumThread1of1ForFork0_i#1_36| v_N_17) (= |v_sumThread1of1ForFork0_i#1_35| |v_sumThread1of1ForFork0_log_msg#1_39|) (= (store v_stdout_100 v_stdout_ptr_102 |v_sumThread1of1ForFork0_log_msg#1_39|) v_stdout_99) (= v_stdout_ptr_101 (+ v_stdout_ptr_102 1))) InVars {A=v_A_14, stdout=v_stdout_100, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_28|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_36|, stdout_ptr=v_stdout_ptr_102} OutVars{A=v_A_14, stdout=v_stdout_99, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_27|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_39|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_35|, stdout_ptr=v_stdout_ptr_101} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 55#[L54, L45-1]true [110] L45-1-->L39-1: Formula: (and (= (store v_stdout_64 v_stdout_ptr_66 |v_sumThread1of1ForFork0_log_msg#1_27|) v_stdout_63) (= (+ v_stdout_ptr_66 1) v_stdout_ptr_65) (= |v_sumThread1of1ForFork0_x#1_23| |v_sumThread1of1ForFork0_log_msg#1_27|)) InVars {stdout=v_stdout_64, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, stdout_ptr=v_stdout_ptr_66} OutVars{stdout=v_stdout_63, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_27|, stdout_ptr=v_stdout_ptr_65} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 52#[L54, L39-1]true [2022-09-29 15:02:43,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash 3726, now seen corresponding path program 1 times [2022-09-29 15:02:43,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:43,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876700674] [2022-09-29 15:02:43,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:43,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,987 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash 4605, now seen corresponding path program 1 times [2022-09-29 15:02:44,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632436208] [2022-09-29 15:02:44,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,045 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,061 INFO L85 PathProgramCache]: Analyzing trace with hash 3584330, now seen corresponding path program 1 times [2022-09-29 15:02:44,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093321478] [2022-09-29 15:02:44,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,071 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,210 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:44,210 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:44,210 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:44,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:44,211 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:44,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:44,211 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:44,211 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:02:44,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:44,211 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:44,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:44,312 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:44,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,314 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) [2022-09-29 15:02:44,322 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 [2022-09-29 15:02:44,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:44,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:44,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:44,331 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 [2022-09-29 15:02:44,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,364 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 [2022-09-29 15:02:44,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,366 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) [2022-09-29 15:02:44,368 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 [2022-09-29 15:02:44,369 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 [2022-09-29 15:02:44,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:44,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,423 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) [2022-09-29 15:02:44,425 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 [2022-09-29 15:02:44,427 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 [2022-09-29 15:02:44,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,453 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:44,461 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 15:02:44,461 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:02:44,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,475 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) [2022-09-29 15:02:44,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:44,486 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 [2022-09-29 15:02:44,499 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:44,500 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:44,500 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_i#1, N) = -1*sumThread1of1ForFork0_i#1 + 1*N Supporting invariants [] [2022-09-29 15:02:44,515 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 [2022-09-29 15:02:44,519 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:02:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:44,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:44,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:44,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:44,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:44,585 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 [2022-09-29 15:02:44,587 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. 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) [2022-09-29 15:02:44,708 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. 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 6 states and 559 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:44,709 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:44,711 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:44,713 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 [2022-09-29 15:02:44,715 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) [2022-09-29 15:02:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2022-09-29 15:02:44,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 2 letters. Loop has 2 letters. [2022-09-29 15:02:44,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:44,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:02:44,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:44,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 2 letters. Loop has 4 letters. [2022-09-29 15:02:44,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:44,720 INFO L428 stractBuchiCegarLoop]: Abstraction has has 31 places, 230 transitions, 1118 flow [2022-09-29 15:02:44,720 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:02:44,720 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 31 places, 230 transitions, 1118 flow [2022-09-29 15:02:44,726 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 31 places, 230 transitions, 1118 flow [2022-09-29 15:02:44,729 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:44,729 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:44,729 INFO L123 PetriNetUnfolderBase]: 22/44 cut-off events. [2022-09-29 15:02:44,729 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:02:44,729 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:44,729 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [89] L54-->sumENTRY: 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] 109#[sumENTRY, sumENTRY, L55]true [100] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_23| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 111#[sumENTRY, L39-1, L55]true [2022-09-29 15:02:44,729 INFO L735 eck$LassoCheckResult]: Loop: 111#[sumENTRY, L39-1, L55]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 114#[sumENTRY, L25-2, L55]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 111#[sumENTRY, L39-1, L55]true [2022-09-29 15:02:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash 115296, now seen corresponding path program 1 times [2022-09-29 15:02:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409601984] [2022-09-29 15:02:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,733 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash 4556, now seen corresponding path program 1 times [2022-09-29 15:02:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892442413] [2022-09-29 15:02:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,740 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,745 INFO L85 PathProgramCache]: Analyzing trace with hash 110803051, now seen corresponding path program 1 times [2022-09-29 15:02:44,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747125201] [2022-09-29 15:02:44,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,806 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:44,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:44,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:44,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:44,807 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:44,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:44,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:44,807 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:02:44,807 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:44,807 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:44,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:44,902 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:44,902 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:44,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,904 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) [2022-09-29 15:02:44,905 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 [2022-09-29 15:02:44,906 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 [2022-09-29 15:02:44,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:44,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:44,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:44,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-09-29 15:02:44,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,960 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) [2022-09-29 15:02:44,961 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 [2022-09-29 15:02:44,962 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 [2022-09-29 15:02:44,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,011 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 [2022-09-29 15:02:45,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,019 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) [2022-09-29 15:02:45,021 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 [2022-09-29 15:02:45,022 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 [2022-09-29 15:02:45,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,065 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 [2022-09-29 15:02:45,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,067 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) [2022-09-29 15:02:45,091 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 [2022-09-29 15:02:45,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,103 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 [2022-09-29 15:02:45,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,145 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 [2022-09-29 15:02:45,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,160 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) [2022-09-29 15:02:45,164 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 [2022-09-29 15:02:45,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,172 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 [2022-09-29 15:02:45,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,213 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 [2022-09-29 15:02:45,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,228 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) [2022-09-29 15:02:45,229 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 [2022-09-29 15:02:45,230 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 [2022-09-29 15:02:45,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,281 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 [2022-09-29 15:02:45,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,285 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) [2022-09-29 15:02:45,286 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 [2022-09-29 15:02:45,288 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 [2022-09-29 15:02:45,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,331 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 [2022-09-29 15:02:45,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,332 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) [2022-09-29 15:02:45,334 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 [2022-09-29 15:02:45,336 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 [2022-09-29 15:02:45,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,380 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 [2022-09-29 15:02:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,382 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) [2022-09-29 15:02:45,384 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 [2022-09-29 15:02:45,384 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 [2022-09-29 15:02:45,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,441 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 [2022-09-29 15:02:45,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,444 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) [2022-09-29 15:02:45,445 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 [2022-09-29 15:02:45,446 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 [2022-09-29 15:02:45,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,479 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:45,504 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:02:45,504 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:02:45,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,546 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) [2022-09-29 15:02:45,548 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 [2022-09-29 15:02:45,549 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:45,558 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:45,558 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:45,558 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork1_i#1) = 1*N - 1*sumThread1of1ForFork1_i#1 Supporting invariants [] [2022-09-29 15:02:45,575 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 [2022-09-29 15:02:45,583 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:02:45,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:45,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:45,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:45,654 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 [2022-09-29 15:02:45,656 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. 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) [2022-09-29 15:02:45,774 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. 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 6 states and 556 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:45,775 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:45,796 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:45,796 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 [2022-09-29 15:02:45,797 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) [2022-09-29 15:02:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2022-09-29 15:02:45,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:45,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:45,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 3 letters. Loop has 4 letters. [2022-09-29 15:02:45,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,798 INFO L428 stractBuchiCegarLoop]: Abstraction has has 43 places, 3744 transitions, 25704 flow [2022-09-29 15:02:45,799 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:02:45,799 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 43 places, 3744 transitions, 25704 flow [2022-09-29 15:02:45,820 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 43 places, 3744 transitions, 25704 flow [2022-09-29 15:02:45,830 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,863 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 43 places, 3744 transitions, 25704 flow [2022-09-29 15:02:45,876 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,877 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 43 places, 3744 transitions, 25704 flow [2022-09-29 15:02:45,889 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,895 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 43 places, 3744 transitions, 25704 flow [2022-09-29 15:02:45,908 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,908 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:45,908 INFO L123 PetriNetUnfolderBase]: 238/353 cut-off events. [2022-09-29 15:02:45,908 INFO L124 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2022-09-29 15:02:45,908 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:45,909 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 52#[L54, L39-1]true [89] L54-->sumENTRY: 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] 166#[sumENTRY, L55, L39-1]true [100] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_23| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 168#[L39-1, L55, L39-1]true [102] L39-1-->sumEXIT: Formula: (not (< |v_sumThread1of1ForFork0_i#1_25| v_N_5)) InVars {N=v_N_5, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} OutVars{N=v_N_5, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} AuxVars[] AssignedVars[] 170#[sumEXIT, L39-1, L55]true [2022-09-29 15:02:45,909 INFO L735 eck$LassoCheckResult]: Loop: 170#[sumEXIT, L39-1, L55]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 173#[sumEXIT, L25-2, L55]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 170#[sumEXIT, L39-1, L55]true [2022-09-29 15:02:45,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash 111089997, now seen corresponding path program 1 times [2022-09-29 15:02:45,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397932500] [2022-09-29 15:02:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,913 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,917 INFO L85 PathProgramCache]: Analyzing trace with hash 4556, now seen corresponding path program 2 times [2022-09-29 15:02:45,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663646248] [2022-09-29 15:02:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,927 INFO L85 PathProgramCache]: Analyzing trace with hash -616691688, now seen corresponding path program 1 times [2022-09-29 15:02:45,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754583665] [2022-09-29 15:02:45,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:45,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 15:02:45,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754583665] [2022-09-29 15:02:45,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754583665] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 15:02:45,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 15:02:45,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-29 15:02:45,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045652135] [2022-09-29 15:02:45,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 15:02:45,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 15:02:45,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-29 15:02:45,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-29 15:02:46,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 3744 transitions, 25704 flow. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-09-29 15:02:46,000 INFO L124 encePairwiseOnDemand]: Subtrahend is not yet constructed. Will not use universal subtrahend loopers optimization. [2022-09-29 15:02:46,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-29 15:02:46,087 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 [2022-09-29 15:02:46,106 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 [2022-09-29 15:02:46,371 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:46,371 INFO L123 PetriNetUnfolderBase]: 859/1361 cut-off events. [2022-09-29 15:02:46,371 INFO L124 PetriNetUnfolderBase]: For 242/242 co-relation queries the response was YES. [2022-09-29 15:02:46,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5832 conditions, 1361 events. 859/1361 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6229 event pairs, 0 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 4314. Up to 609 conditions per place. [2022-09-29 15:02:46,385 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 632 selfloop transitions, 150 changer transitions 96/878 dead transitions. [2022-09-29 15:02:46,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-29 15:02:46,386 INFO L428 stractBuchiCegarLoop]: Abstraction has has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:02:46,387 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,394 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,398 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,403 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,406 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,407 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,411 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,412 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,414 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,416 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,418 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,425 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,427 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,428 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,430 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,439 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,441 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,443 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,445 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,450 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,452 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,453 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 878 transitions, 7771 flow [2022-09-29 15:02:46,455 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,455 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:46,456 INFO L123 PetriNetUnfolderBase]: 436/655 cut-off events. [2022-09-29 15:02:46,456 INFO L124 PetriNetUnfolderBase]: For 103/103 co-relation queries the response was YES. [2022-09-29 15:02:46,456 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:46,456 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [89] L54-->sumENTRY: 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] 109#[sumENTRY, sumENTRY, L55]true [100] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_23| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 111#[sumENTRY, L39-1, L55]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 168#[L39-1, L55, L39-1]true [102] L39-1-->sumEXIT: Formula: (not (< |v_sumThread1of1ForFork0_i#1_25| v_N_5)) InVars {N=v_N_5, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} OutVars{N=v_N_5, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} AuxVars[] AssignedVars[] 170#[sumEXIT, L39-1, L55]true [2022-09-29 15:02:46,456 INFO L735 eck$LassoCheckResult]: Loop: 170#[sumEXIT, L39-1, L55]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 173#[sumEXIT, L25-2, L55]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 170#[sumEXIT, L39-1, L55]true [2022-09-29 15:02:46,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,457 INFO L85 PathProgramCache]: Analyzing trace with hash 110802627, now seen corresponding path program 2 times [2022-09-29 15:02:46,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546207368] [2022-09-29 15:02:46,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,460 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,463 INFO L85 PathProgramCache]: Analyzing trace with hash 4556, now seen corresponding path program 3 times [2022-09-29 15:02:46,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185119768] [2022-09-29 15:02:46,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,467 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,471 INFO L85 PathProgramCache]: Analyzing trace with hash -892854258, now seen corresponding path program 2 times [2022-09-29 15:02:46,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583648064] [2022-09-29 15:02:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:46,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 15:02:46,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583648064] [2022-09-29 15:02:46,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583648064] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 15:02:46,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 15:02:46,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-29 15:02:46,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895690168] [2022-09-29 15:02:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 15:02:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 15:02:46,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-29 15:02:46,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-29 15:02:46,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 878 transitions, 7771 flow. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-09-29 15:02:46,541 INFO L124 encePairwiseOnDemand]: Subtrahend is not yet constructed. Will not use universal subtrahend loopers optimization. [2022-09-29 15:02:46,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-29 15:02:46,685 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:46,685 INFO L123 PetriNetUnfolderBase]: 833/1329 cut-off events. [2022-09-29 15:02:46,685 INFO L124 PetriNetUnfolderBase]: For 239/239 co-relation queries the response was YES. [2022-09-29 15:02:46,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7026 conditions, 1329 events. 833/1329 cut-off events. For 239/239 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6126 event pairs, 0 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 5144. Up to 593 conditions per place. [2022-09-29 15:02:46,693 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 642 selfloop transitions, 158 changer transitions 96/896 dead transitions. [2022-09-29 15:02:46,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-29 15:02:46,694 INFO L428 stractBuchiCegarLoop]: Abstraction has has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,694 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-09-29 15:02:46,694 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,701 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,702 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,706 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,708 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,709 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,711 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,712 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,714 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,716 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,719 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,720 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,722 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,728 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,731 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,745 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,747 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,750 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,753 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,754 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,756 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,762 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,763 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,765 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,768 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,769 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 896 transitions, 9725 flow [2022-09-29 15:02:46,772 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,772 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:46,772 INFO L123 PetriNetUnfolderBase]: 454/690 cut-off events. [2022-09-29 15:02:46,772 INFO L124 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2022-09-29 15:02:46,772 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:46,773 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [89] L54-->sumENTRY: 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] 109#[sumENTRY, sumENTRY, L55]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 166#[sumENTRY, L55, L39-1]true [102] L39-1-->sumEXIT: Formula: (not (< |v_sumThread1of1ForFork0_i#1_25| v_N_5)) InVars {N=v_N_5, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} OutVars{N=v_N_5, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} AuxVars[] AssignedVars[] 223#[sumEXIT, sumENTRY, L55]true [100] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_23| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 170#[sumEXIT, L39-1, L55]true [90] sumEXIT-->L56: Formula: (and (= v_sumThread1of1ForFork0_thidvar0_4 1) (= |v_sumThread1of1ForFork0_x#1_12| v_ULTIMATE.start_x_4)) InVars {sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_12|, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_4} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_12|, ULTIMATE.start_x=v_ULTIMATE.start_x_4, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[ULTIMATE.start_x] 226#[L56, L39-1]true [2022-09-29 15:02:46,773 INFO L735 eck$LassoCheckResult]: Loop: 226#[L56, L39-1]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 229#[L56, L25-2]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 226#[L56, L39-1]true [2022-09-29 15:02:46,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,773 INFO L85 PathProgramCache]: Analyzing trace with hash -860112739, now seen corresponding path program 1 times [2022-09-29 15:02:46,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419644826] [2022-09-29 15:02:46,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,776 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,779 INFO L85 PathProgramCache]: Analyzing trace with hash 4556, now seen corresponding path program 4 times [2022-09-29 15:02:46,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191888101] [2022-09-29 15:02:46,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1934617752, now seen corresponding path program 1 times [2022-09-29 15:02:46,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893941854] [2022-09-29 15:02:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:46,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 15:02:46,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893941854] [2022-09-29 15:02:46,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893941854] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 15:02:46,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 15:02:46,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-29 15:02:46,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741588771] [2022-09-29 15:02:46,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 15:02:46,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 15:02:46,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-29 15:02:46,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-29 15:02:46,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 896 transitions, 9725 flow. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:46,833 INFO L124 encePairwiseOnDemand]: Subtrahend is not yet constructed. Will not use universal subtrahend loopers optimization. [2022-09-29 15:02:46,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-29 15:02:47,063 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:47,063 INFO L123 PetriNetUnfolderBase]: 775/1251 cut-off events. [2022-09-29 15:02:47,063 INFO L124 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES. [2022-09-29 15:02:47,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7868 conditions, 1251 events. 775/1251 cut-off events. For 206/206 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5846 event pairs, 0 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 5803. Up to 554 conditions per place. [2022-09-29 15:02:47,071 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 553 selfloop transitions, 244 changer transitions 96/893 dead transitions. [2022-09-29 15:02:47,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-29 15:02:47,072 INFO L428 stractBuchiCegarLoop]: Abstraction has has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,072 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-09-29 15:02:47,072 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,080 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,083 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,087 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,090 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,098 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,103 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,104 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,106 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,110 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,113 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,126 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,130 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,131 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,133 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,139 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,141 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,152 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,155 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,157 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,159 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,162 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,167 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,168 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,171 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,174 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 893 transitions, 11445 flow [2022-09-29 15:02:47,176 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:47,176 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:47,177 INFO L123 PetriNetUnfolderBase]: 599/901 cut-off events. [2022-09-29 15:02:47,177 INFO L124 PetriNetUnfolderBase]: For 139/139 co-relation queries the response was YES. [2022-09-29 15:02:47,177 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:47,177 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [89] L54-->sumENTRY: 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] 109#[sumENTRY, sumENTRY, L55]true [100] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_23| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 111#[sumENTRY, L39-1, L55]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 114#[sumENTRY, L25-2, L55]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 254#[L25-2, L55, L39-1]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 168#[L39-1, L55, L39-1]true [2022-09-29 15:02:47,178 INFO L735 eck$LassoCheckResult]: Loop: 168#[L39-1, L55, L39-1]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 254#[L25-2, L55, L39-1]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 168#[L39-1, L55, L39-1]true [2022-09-29 15:02:47,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:47,178 INFO L85 PathProgramCache]: Analyzing trace with hash -860072406, now seen corresponding path program 1 times [2022-09-29 15:02:47,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:47,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441277967] [2022-09-29 15:02:47,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:47,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:47,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:47,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:47,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:47,192 INFO L85 PathProgramCache]: Analyzing trace with hash 4556, now seen corresponding path program 5 times [2022-09-29 15:02:47,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:47,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841090854] [2022-09-29 15:02:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:47,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:47,195 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:47,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:47,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:47,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1895857739, now seen corresponding path program 2 times [2022-09-29 15:02:47,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:47,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202316059] [2022-09-29 15:02:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:47,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:47,204 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:47,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:47,305 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:47,306 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:47,306 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:47,306 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:47,306 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:47,306 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:47,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:47,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log.bpl_BEv2_Iteration6_Lasso [2022-09-29 15:02:47,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:47,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:47,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:47,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:47,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:47,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:47,476 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) [2022-09-29 15:02:47,477 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 [2022-09-29 15:02:47,478 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 [2022-09-29 15:02:47,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:47,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:47,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:47,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:47,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:47,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:47,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:47,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:47,506 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 [2022-09-29 15:02:47,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:47,507 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) [2022-09-29 15:02:47,508 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 [2022-09-29 15:02:47,510 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 [2022-09-29 15:02:47,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:47,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:47,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:47,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:47,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:47,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:47,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:47,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:47,542 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 [2022-09-29 15:02:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:47,544 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) [2022-09-29 15:02:47,546 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 [2022-09-29 15:02:47,547 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 [2022-09-29 15:02:47,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:47,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:47,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:47,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:47,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:47,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:47,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:47,608 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 [2022-09-29 15:02:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:47,610 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) [2022-09-29 15:02:47,613 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 [2022-09-29 15:02:47,613 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 [2022-09-29 15:02:47,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:47,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:47,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:47,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:47,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:47,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:47,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:47,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:47,663 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 [2022-09-29 15:02:47,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:47,680 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) [2022-09-29 15:02:47,691 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 [2022-09-29 15:02:47,692 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 [2022-09-29 15:02:47,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:47,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:47,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:47,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:47,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:47,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:47,715 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:47,720 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-09-29 15:02:47,720 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-09-29 15:02:47,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:47,735 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) [2022-09-29 15:02:47,736 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 [2022-09-29 15:02:47,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:47,758 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:47,758 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:47,758 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_i#1, N) = -1*sumThread1of1ForFork1_i#1 + 1*N Supporting invariants [] [2022-09-29 15:02:47,783 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 [2022-09-29 15:02:47,788 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-09-29 15:02:47,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:47,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:47,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:47,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:47,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:47,856 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 [2022-09-29 15:02:47,856 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:47,939 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 556 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:47,939 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:48,089 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 [2022-09-29 15:02:48,102 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:48,103 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 [2022-09-29 15:02:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2022-09-29 15:02:48,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 6 letters. Loop has 2 letters. [2022-09-29 15:02:48,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:48,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 8 letters. Loop has 2 letters. [2022-09-29 15:02:48,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:48,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 6 letters. Loop has 4 letters. [2022-09-29 15:02:48,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:48,105 INFO L428 stractBuchiCegarLoop]: Abstraction has has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:48,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-09-29 15:02:48,105 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:48,579 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:48,857 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,093 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:51,273 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,322 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:51,521 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,554 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:51,958 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,046 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:52,201 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,909 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:53,015 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,046 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:53,176 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,199 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:53,307 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,504 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:53,668 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,697 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:53,850 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,902 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:54,052 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:54,330 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 67 places, 15166 transitions, 224672 flow [2022-09-29 15:02:54,546 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:54,546 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:54,546 INFO L123 PetriNetUnfolderBase]: 3240/4411 cut-off events. [2022-09-29 15:02:54,546 INFO L124 PetriNetUnfolderBase]: For 623/623 co-relation queries the response was YES. [2022-09-29 15:02:54,546 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:54,547 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 52#[L54, L39-1]true [114] L39-1-->L45-1: Formula: (and (= |v_sumThread1of1ForFork0_x#1_27| (+ |v_sumThread1of1ForFork0_x#1_28| (select v_A_14 |v_sumThread1of1ForFork0_i#1_36|))) (= (+ |v_sumThread1of1ForFork0_i#1_36| 1) |v_sumThread1of1ForFork0_i#1_35|) (< |v_sumThread1of1ForFork0_i#1_36| v_N_17) (= |v_sumThread1of1ForFork0_i#1_35| |v_sumThread1of1ForFork0_log_msg#1_39|) (= (store v_stdout_100 v_stdout_ptr_102 |v_sumThread1of1ForFork0_log_msg#1_39|) v_stdout_99) (= v_stdout_ptr_101 (+ v_stdout_ptr_102 1))) InVars {A=v_A_14, stdout=v_stdout_100, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_28|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_36|, stdout_ptr=v_stdout_ptr_102} OutVars{A=v_A_14, stdout=v_stdout_99, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_27|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_39|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_35|, stdout_ptr=v_stdout_ptr_101} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 55#[L54, L45-1]true [89] L54-->sumENTRY: 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] 331#[L45-1, sumENTRY, L55]true [100] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_13| 0) (= |v_sumThread1of1ForFork1_i#1_23| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_13|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 333#[L45-1, L39-1, L55]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 335#[L45-1, L25-2, L55]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 333#[L45-1, L39-1, L55]true [110] L45-1-->L39-1: Formula: (and (= (store v_stdout_64 v_stdout_ptr_66 |v_sumThread1of1ForFork0_log_msg#1_27|) v_stdout_63) (= (+ v_stdout_ptr_66 1) v_stdout_ptr_65) (= |v_sumThread1of1ForFork0_x#1_23| |v_sumThread1of1ForFork0_log_msg#1_27|)) InVars {stdout=v_stdout_64, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, stdout_ptr=v_stdout_ptr_66} OutVars{stdout=v_stdout_63, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_27|, stdout_ptr=v_stdout_ptr_65} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 168#[L39-1, L55, L39-1]true [2022-09-29 15:02:54,547 INFO L735 eck$LassoCheckResult]: Loop: 168#[L39-1, L55, L39-1]true [113] L39-1-->L25-2: Formula: (and (= |v_sumThread1of1ForFork1_x#1_33| (+ (select v_A_12 |v_sumThread1of1ForFork1_i#1_36|) |v_sumThread1of1ForFork1_x#1_34|)) (= (+ |v_sumThread1of1ForFork1_i#1_36| 1) |v_sumThread1of1ForFork1_i#1_35|) (= (store v_stdout_84 v_stdout_ptr_86 |v_sumThread1of1ForFork1_i#1_35|) v_stdout_83) (= (+ v_stdout_ptr_86 1) v_stdout_ptr_85) (= |v_sumThread1of1ForFork1_x#1_33| |v_sumThread1of1ForFork1_log_msg#1_39|) (< |v_sumThread1of1ForFork1_i#1_36| v_N_15)) InVars {A=v_A_12, stdout=v_stdout_84, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_34|, N=v_N_15, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_36|, stdout_ptr=v_stdout_ptr_86} OutVars{A=v_A_12, stdout=v_stdout_83, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_33|, N=v_N_15, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_39|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_35|, stdout_ptr=v_stdout_ptr_85} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 254#[L25-2, L55, L39-1]true [92] L25-2-->L39-1: Formula: (and (= (store v_stdout_20 v_stdout_ptr_22 |v_sumThread1of1ForFork1_log_msg#1_13|) v_stdout_19) (= (+ v_stdout_ptr_22 1) v_stdout_ptr_21)) InVars {stdout=v_stdout_20, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_22} OutVars{stdout=v_stdout_19, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_13|, stdout_ptr=v_stdout_ptr_21} AuxVars[] AssignedVars[stdout, stdout_ptr] 168#[L39-1, L55, L39-1]true [2022-09-29 15:02:54,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:54,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1232062572, now seen corresponding path program 1 times [2022-09-29 15:02:54,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:54,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751301898] [2022-09-29 15:02:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:54,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:54,577 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:54,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:54,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:54,582 INFO L85 PathProgramCache]: Analyzing trace with hash 4556, now seen corresponding path program 6 times [2022-09-29 15:02:54,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:54,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035819463] [2022-09-29 15:02:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:54,585 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:54,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:54,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:54,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1398845599, now seen corresponding path program 2 times [2022-09-29 15:02:54,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:54,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756589989] [2022-09-29 15:02:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:54,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:54,594 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:54,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:54,805 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:54,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:54,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:54,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:54,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:54,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:54,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:54,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log.bpl_BEv2_Iteration7_Lasso [2022-09-29 15:02:54,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:54,806 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:54,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:54,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:54,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:54,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:55,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:55,040 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:55,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,042 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2022-09-29 15:02:55,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-09-29 15:02:55,045 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 [2022-09-29 15:02:55,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:55,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:55,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:55,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,083 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2022-09-29 15:02:55,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-09-29 15:02:55,088 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 [2022-09-29 15:02:55,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:55,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:55,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:55,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:55,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,117 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2022-09-29 15:02:55,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-09-29 15:02:55,119 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 [2022-09-29 15:02:55,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:55,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:55,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-09-29 15:02:55,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,179 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2022-09-29 15:02:55,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-09-29 15:02:55,181 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 [2022-09-29 15:02:55,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:55,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:55,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:55,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-09-29 15:02:55,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,206 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2022-09-29 15:02:55,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-09-29 15:02:55,209 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 [2022-09-29 15:02:55,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:55,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:55,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:55,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:55,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,261 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2022-09-29 15:02:55,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-09-29 15:02:55,263 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 [2022-09-29 15:02:55,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:55,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:55,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:55,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,310 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2022-09-29 15:02:55,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-09-29 15:02:55,312 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 [2022-09-29 15:02:55,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:55,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:55,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:55,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:55,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:55,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,379 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2022-09-29 15:02:55,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-09-29 15:02:55,385 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 [2022-09-29 15:02:55,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:55,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:55,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:55,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:55,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:55,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:55,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:55,418 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-09-29 15:02:55,418 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-09-29 15:02:55,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:55,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:55,419 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2022-09-29 15:02:55,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-09-29 15:02:55,452 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:55,472 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:55,472 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:55,473 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_i#1, N) = -1*sumThread1of1ForFork1_i#1 + 1*N Supporting invariants [] [2022-09-29 15:02:55,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:55,504 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-09-29 15:02:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:55,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:55,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:55,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:55,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:55,546 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 [2022-09-29 15:02:55,547 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:55,622 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 556 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:55,623 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:55,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:01,762 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:01,763 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 [2022-09-29 15:03:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2022-09-29 15:03:01,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 8 letters. Loop has 2 letters. [2022-09-29 15:03:01,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:01,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 10 letters. Loop has 2 letters. [2022-09-29 15:03:01,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:01,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 186 transitions. Stem has 8 letters. Loop has 4 letters. [2022-09-29 15:03:01,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:01,767 INFO L428 stractBuchiCegarLoop]: Abstraction has has 79 places, 261828 transitions, 4402224 flow [2022-09-29 15:03:01,767 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-09-29 15:03:01,767 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 79 places, 261828 transitions, 4402224 flow [2022-09-29 15:04:17,554 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 79 places, 261828 transitions, 4402224 flow [2022-09-29 15:06:07,580 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:07,953 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 79 places, 261828 transitions, 4402224 flow [2022-09-29 15:06:44,457 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,457 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:44,457 INFO L123 PetriNetUnfolderBase]: 2632/3183 cut-off events. [2022-09-29 15:06:44,457 INFO L124 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2022-09-29 15:06:44,457 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:44,458 INFO L733 eck$LassoCheckResult]: Stem: 48#[ULTIMATE.startENTRY]true [86] ULTIMATE.startENTRY-->sumENTRY: 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] 50#[L54, sumENTRY]true [99] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_23| 0) (= |v_sumThread1of1ForFork0_x#1_17| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_17|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_23|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 52#[L54, L39-1]true [114] L39-1-->L45-1: Formula: (and (= |v_sumThread1of1ForFork0_x#1_27| (+ |v_sumThread1of1ForFork0_x#1_28| (select v_A_14 |v_sumThread1of1ForFork0_i#1_36|))) (= (+ |v_sumThread1of1ForFork0_i#1_36| 1) |v_sumThread1of1ForFork0_i#1_35|) (< |v_sumThread1of1ForFork0_i#1_36| v_N_17) (= |v_sumThread1of1ForFork0_i#1_35| |v_sumThread1of1ForFork0_log_msg#1_39|) (= (store v_stdout_100 v_stdout_ptr_102 |v_sumThread1of1ForFork0_log_msg#1_39|) v_stdout_99) (= v_stdout_ptr_101 (+ v_stdout_ptr_102 1))) InVars {A=v_A_14, stdout=v_stdout_100, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_28|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_36|, stdout_ptr=v_stdout_ptr_102} OutVars{A=v_A_14, stdout=v_stdout_99, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_27|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_39|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_35|, stdout_ptr=v_stdout_ptr_101} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 55#[L54, L45-1]true [110] L45-1-->L39-1: Formula: (and (= (store v_stdout_64 v_stdout_ptr_66 |v_sumThread1of1ForFork0_log_msg#1_27|) v_stdout_63) (= (+ v_stdout_ptr_66 1) v_stdout_ptr_65) (= |v_sumThread1of1ForFork0_x#1_23| |v_sumThread1of1ForFork0_log_msg#1_27|)) InVars {stdout=v_stdout_64, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, stdout_ptr=v_stdout_ptr_66} OutVars{stdout=v_stdout_63, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_27|, stdout_ptr=v_stdout_ptr_65} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 52#[L54, L39-1]true [89] L54-->sumENTRY: 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] 166#[sumENTRY, L55, L39-1]true [2022-09-29 15:06:44,458 INFO L735 eck$LassoCheckResult]: Loop: 166#[sumENTRY, L55, L39-1]true [114] L39-1-->L45-1: Formula: (and (= |v_sumThread1of1ForFork0_x#1_27| (+ |v_sumThread1of1ForFork0_x#1_28| (select v_A_14 |v_sumThread1of1ForFork0_i#1_36|))) (= (+ |v_sumThread1of1ForFork0_i#1_36| 1) |v_sumThread1of1ForFork0_i#1_35|) (< |v_sumThread1of1ForFork0_i#1_36| v_N_17) (= |v_sumThread1of1ForFork0_i#1_35| |v_sumThread1of1ForFork0_log_msg#1_39|) (= (store v_stdout_100 v_stdout_ptr_102 |v_sumThread1of1ForFork0_log_msg#1_39|) v_stdout_99) (= v_stdout_ptr_101 (+ v_stdout_ptr_102 1))) InVars {A=v_A_14, stdout=v_stdout_100, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_28|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_36|, stdout_ptr=v_stdout_ptr_102} OutVars{A=v_A_14, stdout=v_stdout_99, N=v_N_17, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_27|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_39|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_35|, stdout_ptr=v_stdout_ptr_101} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 331#[L45-1, sumENTRY, L55]true [110] L45-1-->L39-1: Formula: (and (= (store v_stdout_64 v_stdout_ptr_66 |v_sumThread1of1ForFork0_log_msg#1_27|) v_stdout_63) (= (+ v_stdout_ptr_66 1) v_stdout_ptr_65) (= |v_sumThread1of1ForFork0_x#1_23| |v_sumThread1of1ForFork0_log_msg#1_27|)) InVars {stdout=v_stdout_64, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, stdout_ptr=v_stdout_ptr_66} OutVars{stdout=v_stdout_63, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_23|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_27|, stdout_ptr=v_stdout_ptr_65} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 166#[sumENTRY, L55, L39-1]true [2022-09-29 15:06:44,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:44,458 INFO L85 PathProgramCache]: Analyzing trace with hash 111114319, now seen corresponding path program 1 times [2022-09-29 15:06:44,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:44,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801019882] [2022-09-29 15:06:44,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:44,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:44,462 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:44,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:44,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:44,465 INFO L85 PathProgramCache]: Analyzing trace with hash 4605, now seen corresponding path program 2 times [2022-09-29 15:06:44,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:44,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292912730] [2022-09-29 15:06:44,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:44,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:44,468 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:44,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:44,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:44,470 INFO L85 PathProgramCache]: Analyzing trace with hash -593318197, now seen corresponding path program 2 times [2022-09-29 15:06:44,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:44,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384553939] [2022-09-29 15:06:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:44,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:44,474 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:44,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:44,553 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:44,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:44,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:44,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:44,553 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:44,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:44,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:44,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log.bpl_BEv2_Iteration8_Lasso [2022-09-29 15:06:44,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:44,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:44,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:44,685 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:44,685 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:44,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,686 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2022-09-29 15:06:44,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-09-29 15:06:44,691 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 [2022-09-29 15:06:44,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:44,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:44,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:44,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,733 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2022-09-29 15:06:44,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-09-29 15:06:44,737 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 [2022-09-29 15:06:44,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:44,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:44,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:44,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,775 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2022-09-29 15:06:44,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-09-29 15:06:44,778 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 [2022-09-29 15:06:44,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:44,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:44,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:44,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:44,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,811 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2022-09-29 15:06:44,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-09-29 15:06:44,843 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 [2022-09-29 15:06:44,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:44,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:44,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:44,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,878 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2022-09-29 15:06:44,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-09-29 15:06:44,880 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 [2022-09-29 15:06:44,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:44,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:44,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:44,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,925 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2022-09-29 15:06:44,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-09-29 15:06:44,927 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 [2022-09-29 15:06:44,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:44,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:44,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:44,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-09-29 15:06:44,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,964 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2022-09-29 15:06:44,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-09-29 15:06:44,966 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 [2022-09-29 15:06:44,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:44,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:44,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:44,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:44,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:44,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:44,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:44,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:44,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:44,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:44,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:44,999 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2022-09-29 15:06:45,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-09-29 15:06:45,001 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 [2022-09-29 15:06:45,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:45,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:45,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:45,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:45,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:45,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:45,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:45,037 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:45,037 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-09-29 15:06:45,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:45,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:45,038 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2022-09-29 15:06:45,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-09-29 15:06:45,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:45,061 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:45,061 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:45,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_i#1, N) = -1*sumThread1of1ForFork0_i#1 + 1*N Supporting invariants [] [2022-09-29 15:06:45,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:45,086 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-09-29 15:06:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:45,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:45,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:45,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:45,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:06:45,118 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 [2022-09-29 15:06:45,119 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-09-29 15:06:45,188 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 6 states and 559 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:45,188 INFO L54 IntersectBuchiEager]: Starting Intersection Received shutdown request... [2022-09-29 15:07:12,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:07:12,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:07:14,276 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 [2022-09-29 15:07:14,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown