/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/sumsumsampleabs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:24,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:24,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:24,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:24,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:24,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:24,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:24,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:24,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:24,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:24,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:24,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-09-29 15:00:24,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:24,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:24,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:24,934 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 15:00:24,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:24,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:24,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:24,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:24,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:24,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:24,949 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:24,949 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:24,949 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:24,949 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:24,949 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:24,949 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:24,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:24,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:24,951 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:24,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:24,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:24,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:24,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:24,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:24,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:24,952 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:24,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:25,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:25,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:25,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:25,150 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:25,150 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:25,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl [2022-09-29 15:00:25,152 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl' [2022-09-29 15:00:25,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:25,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:25,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:25,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:25,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:25,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,201 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:25,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:25,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:25,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:25,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:25,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:25,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:25,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:25,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:25,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/1) ... [2022-09-29 15:00:25,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:25,242 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 15:00:25,255 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 15:00:25,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2022-09-29 15:00:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2022-09-29 15:00:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2022-09-29 15:00:25,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2022-09-29 15:00:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2022-09-29 15:00:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2022-09-29 15:00:25,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2022-09-29 15:00:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2022-09-29 15:00:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2022-09-29 15:00:25,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:25,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2022-09-29 15:00:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2022-09-29 15:00:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2022-09-29 15:00:25,277 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 15:00:25,314 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:25,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:25,434 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:25,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:25,462 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-29 15:00:25,463 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: bankEXIT is neither atomic block end nor error location. [2022-09-29 15:00:25,465 INFO L202 PluginConnector]: Adding new model sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:25 BoogieIcfgContainer [2022-09-29 15:00:25,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:25,466 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:25,466 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:25,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:25,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:25,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:25" (1/2) ... [2022-09-29 15:00:25,471 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2498fe65 and model type sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:25, skipping insertion in model container [2022-09-29 15:00:25,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:25,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:25" (2/2) ... [2022-09-29 15:00:25,473 INFO L322 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs.bpl [2022-09-29 15:00:25,569 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:00:25,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 98 flow [2022-09-29 15:00:25,644 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:25,644 INFO L123 PetriNetUnfolderBase]: 4/28 cut-off events. [2022-09-29 15:00:25,644 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:25,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 4/28 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 48 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-09-29 15:00:25,646 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 36 transitions, 98 flow [2022-09-29 15:00:25,649 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 28 transitions, 74 flow [2022-09-29 15:00:25,652 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:25,670 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 28 transitions, 74 flow [2022-09-29 15:00:25,674 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 28 transitions, 74 flow [2022-09-29 15:00:25,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 28 transitions, 74 flow [2022-09-29 15:00:25,690 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:25,690 INFO L123 PetriNetUnfolderBase]: 4/28 cut-off events. [2022-09-29 15:00:25,691 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:25,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 4/28 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 48 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-09-29 15:00:25,693 INFO L116 LiptonReduction]: Number of co-enabled transitions 390 [2022-09-29 15:00:25,864 INFO L131 LiptonReduction]: Checked pairs total: 246 [2022-09-29 15:00:25,864 INFO L133 LiptonReduction]: Total number of compositions: 7 [2022-09-29 15:00:25,893 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:25,893 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:25,893 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:25,893 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:25,893 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:25,893 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:25,893 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:25,893 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:25,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:26,022 INFO L131 ngComponentsAnalysis]: Automaton has 137 accepting balls. 137 [2022-09-29 15:00:26,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:26,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:26,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2022-09-29 15:00:26,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:26,026 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:26,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 180 states, but on-demand construction may add more states [2022-09-29 15:00:26,035 INFO L131 ngComponentsAnalysis]: Automaton has 137 accepting balls. 137 [2022-09-29 15:00:26,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:26,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:26,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2022-09-29 15:00:26,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:26,042 INFO L733 eck$LassoCheckResult]: Stem: 44#[ULTIMATE.startENTRY]don't care [100] ULTIMATE.startENTRY-->L44: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 47#[L44, L66]don't care [2022-09-29 15:00:26,042 INFO L735 eck$LassoCheckResult]: Loop: 47#[L44, L66]don't care [92] L44-->L44: Formula: (= (store (store v_B_7 (+ (- 1) v_i1_8) v_sum1_7) (+ (- 1) v_i2_12) v_sum2_11) v_B_5) InVars {sum1=v_sum1_7, i1=v_i1_8, sum2=v_sum2_11, i2=v_i2_12, B=v_B_7} OutVars{sum1=v_sum1_7, i1=v_i1_8, sum2=v_sum2_11, i2=v_i2_12, B=v_B_5} AuxVars[] AssignedVars[B] 47#[L44, L66]don't care [2022-09-29 15:00:26,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash 131, now seen corresponding path program 1 times [2022-09-29 15:00:26,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:26,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922353413] [2022-09-29 15:00:26,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:26,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,096 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash 123, now seen corresponding path program 1 times [2022-09-29 15:00:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:26,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474872507] [2022-09-29 15:00:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,116 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash 4153, now seen corresponding path program 1 times [2022-09-29 15:00:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:26,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345091867] [2022-09-29 15:00:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:26,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:26,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:26,185 INFO L202 PluginConnector]: Adding new model sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:26 BoogieIcfgContainer [2022-09-29 15:00:26,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:26,186 INFO L158 Benchmark]: Toolchain (without parser) took 1009.74ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 130.4MB in the beginning and 229.6MB in the end (delta: -99.2MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,186 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.49ms. Allocated memory is still 176.2MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:26,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.99ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 128.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,187 INFO L158 Benchmark]: Boogie Preprocessor took 15.08ms. Allocated memory is still 176.2MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 932.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:26,187 INFO L158 Benchmark]: RCFGBuilder took 245.34ms. Allocated memory is still 176.2MB. Free memory was 127.7MB in the beginning and 117.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,188 INFO L158 Benchmark]: BuchiAutomizer took 719.27ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 117.7MB in the beginning and 229.6MB in the end (delta: -111.9MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. [2022-09-29 15:00:26,207 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 0.49ms. Allocated memory is still 176.2MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.99ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 128.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.08ms. Allocated memory is still 176.2MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 932.6kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 245.34ms. Allocated memory is still 176.2MB. Free memory was 127.7MB in the beginning and 117.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 719.27ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 117.7MB in the beginning and 229.6MB in the end (delta: -111.9MB). Peak memory consumption was 5.7MB. 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 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 41]: 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=10113, sum1=3, sum2=4} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 41]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L66] FORK 0 fork 1 bank(); Loop: [L45] B[i1 - 1] := sum1; [L46] 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: 0.2s, 37 PlacesBefore, 30 PlacesAfterwards, 28 TransitionsBefore, 21 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 175, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 175, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 230, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 175, unknown conditional: 0, unknown unconditional: 175] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 RESULT: Ultimate proved your program to be incorrect! [2022-09-29 15:00:26,234 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...