/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-automaton-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 15:00:25,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:25,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:25,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:25,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:25,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:25,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:25,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:25,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:25,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:25,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:25,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:25,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:25,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:25,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:25,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:25,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:25,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:25,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:25,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:25,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:25,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:25,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:25,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:25,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:25,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:25,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:25,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:25,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-09-29 15:00:25,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:25,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:25,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:25,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:25,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:25,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:25,531 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:25,531 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:25,531 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:25,531 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:25,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:25,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:25,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:25,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:25,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:25,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:25,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:25,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:25,535 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:25,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:25,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:25,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:25,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:25,791 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:25,792 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:25,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl [2022-09-29 15:00:25,793 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl' [2022-09-29 15:00:25,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:25,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:25,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:25,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:25,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:25,830 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 03:00:25" (1/1) ... [2022-09-29 15:00:25,837 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 03:00:25" (1/1) ... [2022-09-29 15:00:25,847 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:25,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:25,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:25,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:25,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:25,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:25,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:25,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:25,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:25,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:25,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:25,916 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 15:00:25,952 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 15:00:25,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2022-09-29 15:00:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2022-09-29 15:00:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2022-09-29 15:00:25,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2022-09-29 15:00:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2022-09-29 15:00:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2022-09-29 15:00:25,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2022-09-29 15:00:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2022-09-29 15:00:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2022-09-29 15:00:25,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:25,971 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 15:00:26,019 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:26,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:26,088 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:26,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:26,101 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-29 15:00:26,103 INFO L202 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:26 BoogieIcfgContainer [2022-09-29 15:00:26,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:26,106 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:26,106 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:26,108 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:26,109 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:26,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/2) ... [2022-09-29 15:00:26,110 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@468cbfd9 and model type sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:26, skipping insertion in model container [2022-09-29 15:00:26,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:26,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:26" (2/2) ... [2022-09-29 15:00:26,112 INFO L322 chiAutomizerObserver]: Analyzing ICFG sumsumbank.bpl [2022-09-29 15:00:26,177 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:00:26,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 79 flow [2022-09-29 15:00:26,230 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:26,230 INFO L123 PetriNetUnfolderBase]: 3/23 cut-off events. [2022-09-29 15:00:26,230 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:26,234 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 15:00:26,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 79 flow [2022-09-29 15:00:26,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 61 flow [2022-09-29 15:00:26,242 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:26,255 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 23 transitions, 61 flow [2022-09-29 15:00:26,257 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 23 transitions, 61 flow [2022-09-29 15:00:26,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 23 transitions, 61 flow [2022-09-29 15:00:26,264 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:26,264 INFO L123 PetriNetUnfolderBase]: 3/23 cut-off events. [2022-09-29 15:00:26,264 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:26,265 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 15:00:26,266 INFO L116 LiptonReduction]: Number of co-enabled transitions 222 [2022-09-29 15:00:26,381 INFO L131 LiptonReduction]: Checked pairs total: 203 [2022-09-29 15:00:26,381 INFO L133 LiptonReduction]: Total number of compositions: 5 [2022-09-29 15:00:26,398 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:26,399 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:26,399 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:26,399 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:26,399 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:26,399 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:26,399 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:26,399 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:26,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:26,489 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 62 [2022-09-29 15:00:26,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:26,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:26,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:26,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-09-29 15:00:26,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:26,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 89 states, but on-demand construction may add more states [2022-09-29 15:00:26,506 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 62 [2022-09-29 15:00:26,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:26,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:26,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:26,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-09-29 15:00:26,513 INFO L733 eck$LassoCheckResult]: Stem: 36#[ULTIMATE.startENTRY]don't care [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#[L57, sum1ENTRY]don't care [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] 41#[L58, sum1ENTRY, sum2ENTRY]don't care [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] 47#[sum1ENTRY, L59, sum2ENTRY, L46]don't care [2022-09-29 15:00:26,513 INFO L735 eck$LassoCheckResult]: Loop: 47#[sum1ENTRY, L59, sum2ENTRY, L46]don't care [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] 59#[sum1ENTRY, L59, sum2ENTRY, L48]don't care [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] 47#[sum1ENTRY, L59, sum2ENTRY, L46]don't care [2022-09-29 15:00:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash 107344, now seen corresponding path program 1 times [2022-09-29 15:00:26,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:26,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255559621] [2022-09-29 15:00:26,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,596 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:26,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash 3299, now seen corresponding path program 1 times [2022-09-29 15:00:26,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:26,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280293248] [2022-09-29 15:00:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:26,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:26,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:26,643 INFO L85 PathProgramCache]: Analyzing trace with hash 103159922, now seen corresponding path program 1 times [2022-09-29 15:00:26,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:26,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286162674] [2022-09-29 15:00:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:26,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,652 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:26,822 INFO L202 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:26 BoogieIcfgContainer [2022-09-29 15:00:26,823 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:26,825 INFO L158 Benchmark]: Toolchain (without parser) took 1006.38ms. Allocated memory was 181.4MB in the beginning and 268.4MB in the end (delta: 87.0MB). Free memory was 133.7MB in the beginning and 237.9MB in the end (delta: -104.2MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,826 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 181.4MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:26,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.91ms. Allocated memory is still 181.4MB. Free memory was 133.7MB in the beginning and 132.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,828 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 181.4MB. Free memory was 132.1MB in the beginning and 131.2MB in the end (delta: 918.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,829 INFO L158 Benchmark]: RCFGBuilder took 228.18ms. Allocated memory is still 181.4MB. Free memory was 131.0MB in the beginning and 122.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,830 INFO L158 Benchmark]: BuchiAutomizer took 717.21ms. Allocated memory was 181.4MB in the beginning and 268.4MB in the end (delta: 87.0MB). Free memory was 122.0MB in the beginning and 237.9MB in the end (delta: -115.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:26,837 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 0.16ms. Allocated memory is still 181.4MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.91ms. Allocated memory is still 181.4MB. Free memory was 133.7MB in the beginning and 132.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 181.4MB. Free memory was 132.1MB in the beginning and 131.2MB in the end (delta: 918.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 228.18ms. Allocated memory is still 181.4MB. Free memory was 131.0MB in the beginning and 122.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 717.21ms. Allocated memory was 181.4MB in the beginning and 268.4MB in the end (delta: 87.0MB). Free memory was 122.0MB in the beginning and 237.9MB in the end (delta: -115.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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=25983, 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: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, 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 15:00:26,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...