/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/sumsumbank.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:06:46,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:06:46,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:06:46,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-29 15:06:46,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:06:46,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:06:46,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:06:46,821 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 15:06:46,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:06:46,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:06:46,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:06:46,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:06:46,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:06:46,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:06:46,848 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:06:46,848 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:06:46,849 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:06:46,849 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:06:46,849 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:06:46,849 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:06:46,849 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:06:46,849 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:06:46,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:06:46,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:06:46,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:06:46,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:06:46,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:06:46,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:06:46,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:06:46,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:06:46,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:06:46,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:06:46,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:06:46,853 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:06:46,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:06:47,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:06:47,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:06:47,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:06:47,051 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:06:47,052 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:06:47,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl [2022-09-29 15:06:47,053 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl' [2022-09-29 15:06:47,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:06:47,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:06:47,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:47,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:06:47,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:06:47,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,087 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:06:47,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:47,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:06:47,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:06:47,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:06:47,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:06:47,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:06:47,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:06:47,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:06:47,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/1) ... [2022-09-29 15:06:47,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,125 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 15:06:47,130 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 15:06:47,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2022-09-29 15:06:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2022-09-29 15:06:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2022-09-29 15:06:47,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2022-09-29 15:06:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2022-09-29 15:06:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2022-09-29 15:06:47,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2022-09-29 15:06:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2022-09-29 15:06:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2022-09-29 15:06:47,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:06:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:06:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:06:47,152 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 15:06:47,186 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:06:47,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:06:47,257 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:06:47,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:06:47,266 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-29 15:06:47,268 INFO L202 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:47 BoogieIcfgContainer [2022-09-29 15:06:47,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:06:47,268 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:06:47,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:06:47,279 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:06:47,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:47,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:47" (1/2) ... [2022-09-29 15:06:47,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b2dcde6 and model type sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:06:47, skipping insertion in model container [2022-09-29 15:06:47,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:47,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:47" (2/2) ... [2022-09-29 15:06:47,282 INFO L322 chiAutomizerObserver]: Analyzing ICFG sumsumbank.bpl [2022-09-29 15:06:47,340 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:06:47,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 79 flow [2022-09-29 15:06:47,386 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:47,386 INFO L123 PetriNetUnfolderBase]: 3/23 cut-off events. [2022-09-29 15:06:47,387 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:06:47,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 23 events. 3/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 37 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-09-29 15:06:47,391 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 79 flow [2022-09-29 15:06:47,394 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 61 flow [2022-09-29 15:06:47,396 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:06:47,414 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 23 transitions, 61 flow [2022-09-29 15:06:47,418 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 23 transitions, 61 flow [2022-09-29 15:06:47,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 23 transitions, 61 flow [2022-09-29 15:06:47,425 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:47,426 INFO L123 PetriNetUnfolderBase]: 3/23 cut-off events. [2022-09-29 15:06:47,426 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:06:47,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 23 events. 3/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-09-29 15:06:47,427 INFO L116 LiptonReduction]: Number of co-enabled transitions 222 [2022-09-29 15:06:47,540 INFO L131 LiptonReduction]: Checked pairs total: 203 [2022-09-29 15:06:47,540 INFO L133 LiptonReduction]: Total number of compositions: 5 [2022-09-29 15:06:47,549 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:06:47,549 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:06:47,549 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:06:47,549 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:06:47,549 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:06:47,549 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:06:47,549 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:06:47,549 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:06:47,550 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 25 places, 18 transitions, 51 flow [2022-09-29 15:06:47,577 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 25 places, 18 transitions, 51 flow [2022-09-29 15:06:47,579 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:47,579 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:47,579 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:06:47,579 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:47,579 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:47,581 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:06:47,581 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 25 places, 18 transitions, 51 flow [2022-09-29 15:06:47,582 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 25 places, 18 transitions, 51 flow [2022-09-29 15:06:47,582 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:47,583 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:47,583 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:06:47,583 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:47,583 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:47,588 INFO L733 eck$LassoCheckResult]: Stem: 37#[ULTIMATE.startENTRY]true [78] ULTIMATE.startENTRY-->sum1ENTRY: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0] 39#[sum1ENTRY, L57]true [61] sum1ENTRY-->L19: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 41#[L19, L57]true [62] L19-->L21-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 43#[L21-1, L57]true [2022-09-29 15:06:47,588 INFO L735 eck$LassoCheckResult]: Loop: 43#[L21-1, L57]true [91] L21-1-->L21-1: Formula: (and (= (+ v_i1_20 1) v_i1_19) (< v_i1_20 v_N_11) (= (+ (select v_A_9 v_i1_20) v_sum1_19) v_sum1_18)) InVars {sum1=v_sum1_19, A=v_A_9, N=v_N_11, i1=v_i1_20} OutVars{sum1=v_sum1_18, A=v_A_9, N=v_N_11, i1=v_i1_19} AuxVars[] AssignedVars[sum1, i1] 43#[L21-1, L57]true [2022-09-29 15:06:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,591 INFO L85 PathProgramCache]: Analyzing trace with hash 106702, now seen corresponding path program 1 times [2022-09-29 15:06:47,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:47,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422635207] [2022-09-29 15:06:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:47,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,689 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:47,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,715 INFO L85 PathProgramCache]: Analyzing trace with hash 122, now seen corresponding path program 1 times [2022-09-29 15:06:47,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:47,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720325002] [2022-09-29 15:06:47,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:47,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:47,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash 3307853, now seen corresponding path program 1 times [2022-09-29 15:06:47,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:47,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229114321] [2022-09-29 15:06:47,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,758 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:47,844 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:47,845 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:47,845 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:47,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:47,845 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:47,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:47,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:47,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumbank.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:06:47,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:47,845 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:47,855 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 15:06:47,873 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 15:06:47,878 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 15:06:47,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:47,964 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:47,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,967 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 15:06:47,969 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 15:06:47,970 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 15:06:47,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:47,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:47,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:47,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:48,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-09-29 15:06:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:48,012 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 15:06:48,012 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 15:06:48,021 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 15:06:48,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:48,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:48,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:48,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:48,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:48,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:48,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:48,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-09-29 15:06:48,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:48,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:48,063 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 15:06:48,064 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 15:06:48,076 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 15:06:48,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:48,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:48,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:48,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:48,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:48,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:48,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:48,141 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:48,141 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:06:48,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:48,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:48,144 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 15:06:48,148 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 15:06:48,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:48,157 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:48,158 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:48,158 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2022-09-29 15:06:48,173 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 15:06:48,175 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:48,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:48,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:48,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:48,213 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:48,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:48,214 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 15:06:48,236 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:06:48,237 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 15:06:48,333 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 298 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:48,335 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:48,342 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:48,343 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 15:06:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 15:06:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2022-09-29 15:06:48,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:06:48,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:48,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:06:48,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:48,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:06:48,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:48,355 INFO L428 stractBuchiCegarLoop]: Abstraction has has 37 places, 308 transitions, 1502 flow [2022-09-29 15:06:48,355 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:06:48,355 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 37 places, 308 transitions, 1502 flow [2022-09-29 15:06:48,363 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 308 transitions, 1502 flow [2022-09-29 15:06:48,364 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,379 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 308 transitions, 1502 flow [2022-09-29 15:06:48,381 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,383 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 308 transitions, 1502 flow [2022-09-29 15:06:48,385 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,385 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:48,385 INFO L123 PetriNetUnfolderBase]: 58/92 cut-off events. [2022-09-29 15:06:48,385 INFO L124 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2022-09-29 15:06:48,385 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:48,385 INFO L733 eck$LassoCheckResult]: Stem: 37#[ULTIMATE.startENTRY]true [78] ULTIMATE.startENTRY-->sum1ENTRY: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0] 39#[sum1ENTRY, L57]true [81] L57-->sum2ENTRY: Formula: (and (= 2 v_sum2Thread1of1ForFork1_thidvar0_2) (= 2 v_sum2Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{sum2Thread1of1ForFork1_thidvar0=v_sum2Thread1of1ForFork1_thidvar0_2, sum2Thread1of1ForFork1_thidvar1=v_sum2Thread1of1ForFork1_thidvar1_2, sum2Thread1of1ForFork1_y=v_sum2Thread1of1ForFork1_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork1_thidvar0, sum2Thread1of1ForFork1_thidvar1, sum2Thread1of1ForFork1_y] 93#[L58, sum2ENTRY, sum1ENTRY]true [84] L58-->L46: Formula: (and (= 3 v_bankThread1of1ForFork2_thidvar2_2) (= 3 v_bankThread1of1ForFork2_thidvar0_2) (= 3 v_bankThread1of1ForFork2_thidvar1_2)) InVars {} OutVars{bankThread1of1ForFork2_thidvar0=v_bankThread1of1ForFork2_thidvar0_2, bankThread1of1ForFork2_thidvar1=v_bankThread1of1ForFork2_thidvar1_2, bankThread1of1ForFork2_thidvar2=v_bankThread1of1ForFork2_thidvar2_2} AuxVars[] AssignedVars[bankThread1of1ForFork2_thidvar0, bankThread1of1ForFork2_thidvar1, bankThread1of1ForFork2_thidvar2] 95#[L59, L46, sum2ENTRY, sum1ENTRY]true [2022-09-29 15:06:48,385 INFO L735 eck$LassoCheckResult]: Loop: 95#[L59, L46, sum2ENTRY, sum1ENTRY]true [73] L46-->L48: Formula: (= v_B_1 (store v_B_2 (+ (- 1) v_i1_7) v_sum1_4)) InVars {sum1=v_sum1_4, i1=v_i1_7, B=v_B_2} OutVars{sum1=v_sum1_4, i1=v_i1_7, B=v_B_1} AuxVars[] AssignedVars[B] 98#[L59, L48, sum2ENTRY, sum1ENTRY]true [75] L48-->L46: Formula: (= v_B_3 (store v_B_4 (+ (- 1) v_i2_7) v_sum2_4)) InVars {sum2=v_sum2_4, i2=v_i2_7, B=v_B_4} OutVars{sum2=v_sum2_4, i2=v_i2_7, B=v_B_3} AuxVars[] AssignedVars[B] 95#[L59, L46, sum2ENTRY, sum1ENTRY]true [2022-09-29 15:06:48,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:48,386 INFO L85 PathProgramCache]: Analyzing trace with hash 107344, now seen corresponding path program 1 times [2022-09-29 15:06:48,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:48,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877287342] [2022-09-29 15:06:48,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:48,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:48,389 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:48,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:48,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:48,392 INFO L85 PathProgramCache]: Analyzing trace with hash 3299, now seen corresponding path program 1 times [2022-09-29 15:06:48,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:48,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583569187] [2022-09-29 15:06:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:48,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:48,396 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:48,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:48,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:48,399 INFO L85 PathProgramCache]: Analyzing trace with hash 103159922, now seen corresponding path program 1 times [2022-09-29 15:06:48,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:48,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741969784] [2022-09-29 15:06:48,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:48,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:48,403 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:48,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:48,458 INFO L202 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:06:48 BoogieIcfgContainer [2022-09-29 15:06:48,458 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:06:48,459 INFO L158 Benchmark]: Toolchain (without parser) took 1389.33ms. Allocated memory was 202.4MB in the beginning and 313.5MB in the end (delta: 111.1MB). Free memory was 163.1MB in the beginning and 259.3MB in the end (delta: -96.1MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,459 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 202.4MB. Free memory was 164.3MB in the beginning and 164.1MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:06:48,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.99ms. Allocated memory is still 202.4MB. Free memory was 163.0MB in the beginning and 161.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,460 INFO L158 Benchmark]: Boogie Preprocessor took 13.65ms. Allocated memory is still 202.4MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 952.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,460 INFO L158 Benchmark]: RCFGBuilder took 164.48ms. Allocated memory is still 202.4MB. Free memory was 160.5MB in the beginning and 151.3MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,461 INFO L158 Benchmark]: BuchiAutomizer took 1190.04ms. Allocated memory was 202.4MB in the beginning and 313.5MB in the end (delta: 111.1MB). Free memory was 151.1MB in the beginning and 259.3MB in the end (delta: -108.1MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 202.4MB. Free memory was 164.3MB in the beginning and 164.1MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.99ms. Allocated memory is still 202.4MB. Free memory was 163.0MB in the beginning and 161.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.65ms. Allocated memory is still 202.4MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 952.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 164.48ms. Allocated memory is still 202.4MB. Free memory was 160.5MB in the beginning and 151.3MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1190.04ms. Allocated memory was 202.4MB in the beginning and 313.5MB in the end (delta: 111.1MB). Free memory was 151.1MB in the beginning and 259.3MB in the end (delta: -108.1MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function N + -1 * i1 and consists of 3 locations. The remainder module has 1502 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:0. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 39 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp88 ukn91 mio100 lsp57 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf100 smp100 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 46]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {i1=0, i2=26204, sum1=5, sum2=6, x=0, y=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 46]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] FORK 0 fork 1 sum1(); [L58] FORK 0 fork 2, 2 sum2(); [L59] FORK 0 fork 3, 3, 3 bank(); Loop: [L47] B[i1 - 1] := sum1; [L48] B[i2 - 1] := sum2; End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 30 PlacesBefore, 25 PlacesAfterwards, 23 TransitionsBefore, 18 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 203 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 128, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 106, unknown conditional: 0, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 RESULT: Ultimate proved your program to be incorrect! [2022-09-29 15:06:48,499 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 15:06:48,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...