/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check false -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:02:30,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:02:30,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 01:02:30,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:02:30,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:02:30,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:02:30,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:02:30,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:02:30,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:02:30,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:02:30,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:02:30,316 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:02:30,316 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:02:30,317 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:02:30,317 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:02:30,317 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:02:30,318 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:02:30,318 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:02:30,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:02:30,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:02:30,319 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:02:30,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:02:30,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:02:30,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:02:30,321 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:02:30,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:02:30,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:02:30,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:02:30,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:02:30,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:02:30,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:02:30,322 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:02:30,322 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> false [2024-02-10 01:02:30,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:02:30,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:02:30,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:02:30,878 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:02:30,887 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:02:30,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl [2024-02-10 01:02:30,889 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl' [2024-02-10 01:02:30,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:02:30,950 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:02:30,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:02:30,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:02:30,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:02:30,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,073 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:02:31,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:02:31,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:02:31,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:02:31,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:02:31,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:02:31,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:02:31,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:02:31,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:02:31,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/1) ... [2024-02-10 01:02:31,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:31,190 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) [2024-02-10 01:02:31,242 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 [2024-02-10 01:02:31,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-10 01:02:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-10 01:02:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-10 01:02:31,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-10 01:02:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-10 01:02:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-10 01:02:31,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2024-02-10 01:02:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2024-02-10 01:02:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2024-02-10 01:02:31,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:02:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:02:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:02:31,315 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 01:02:31,383 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:02:31,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:02:31,569 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:02:31,588 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:02:31,588 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-10 01:02:31,590 INFO L201 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:02:31 BoogieIcfgContainer [2024-02-10 01:02:31,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:02:31,591 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:02:31,591 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:02:31,604 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:02:31,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:02:31,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:30" (1/2) ... [2024-02-10 01:02:31,615 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54280ad2 and model type sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:02:31, skipping insertion in model container [2024-02-10 01:02:31,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:02:31,616 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:02:31" (2/2) ... [2024-02-10 01:02:31,624 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumbank.bpl [2024-02-10 01:02:31,751 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 01:02:31,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 76 flow [2024-02-10 01:02:31,847 INFO L124 PetriNetUnfolderBase]: 3/23 cut-off events. [2024-02-10 01:02:31,847 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 01:02:31,856 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 40 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. [2024-02-10 01:02:31,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 76 flow [2024-02-10 01:02:31,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 61 flow [2024-02-10 01:02:31,866 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:02:31,866 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:02:31,866 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:02:31,866 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:02:31,866 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:02:31,866 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:02:31,866 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:02:31,866 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:02:31,867 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 places, 23 transitions, 61 flow [2024-02-10 01:02:31,883 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:02:31,883 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-02-10 01:02:31,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 01:02:31,884 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:02:31,890 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:02:31,891 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 places, 23 transitions, 61 flow [2024-02-10 01:02:31,902 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:02:31,903 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-02-10 01:02:31,903 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 01:02:31,905 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:02:31,912 INFO L748 eck$LassoCheckResult]: Stem: 37#[$Ultimate##0]true [78] $Ultimate##0-->$Ultimate##0: 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, $Ultimate##0]true [81] L57-->$Ultimate##0: 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#[$Ultimate##0, L58, $Ultimate##0]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] 43#[L59, $Ultimate##0, L46, $Ultimate##0]true [2024-02-10 01:02:31,915 INFO L750 eck$LassoCheckResult]: Loop: 43#[L59, $Ultimate##0, L46, $Ultimate##0]true [74] 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] 46#[L59, $Ultimate##0, L48, $Ultimate##0]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] 43#[L59, $Ultimate##0, L46, $Ultimate##0]true [2024-02-10 01:02:31,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 107344, now seen corresponding path program 1 times [2024-02-10 01:02:31,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:31,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987138523] [2024-02-10 01:02:31,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:31,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:32,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:32,096 INFO L85 PathProgramCache]: Analyzing trace with hash 3330, now seen corresponding path program 1 times [2024-02-10 01:02:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:32,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067596275] [2024-02-10 01:02:32,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:32,140 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:32,141 INFO L85 PathProgramCache]: Analyzing trace with hash 103159953, now seen corresponding path program 1 times [2024-02-10 01:02:32,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:32,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420465522] [2024-02-10 01:02:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:32,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:32,490 INFO L201 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:02:32 BoogieIcfgContainer [2024-02-10 01:02:32,490 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:02:32,493 INFO L158 Benchmark]: Toolchain (without parser) took 1541.52ms. Allocated memory is still 175.1MB. Free memory was 138.0MB in the beginning and 113.7MB in the end (delta: 24.3MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-02-10 01:02:32,494 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 175.1MB. Free memory was 139.1MB in the beginning and 139.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:02:32,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.04ms. Allocated memory is still 175.1MB. Free memory was 137.9MB in the beginning and 149.0MB in the end (delta: -11.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-02-10 01:02:32,497 INFO L158 Benchmark]: Boogie Preprocessor took 37.82ms. Allocated memory is still 175.1MB. Free memory was 149.0MB in the beginning and 147.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 01:02:32,497 INFO L158 Benchmark]: RCFGBuilder took 466.29ms. Allocated memory is still 175.1MB. Free memory was 147.9MB in the beginning and 138.0MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 01:02:32,498 INFO L158 Benchmark]: BuchiAutomizer took 899.55ms. Allocated memory is still 175.1MB. Free memory was 137.8MB in the beginning and 113.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-02-10 01:02:32,505 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 175.1MB. Free memory was 139.1MB in the beginning and 139.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 131.04ms. Allocated memory is still 175.1MB. Free memory was 137.9MB in the beginning and 149.0MB in the end (delta: -11.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.82ms. Allocated memory is still 175.1MB. Free memory was 149.0MB in the beginning and 147.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 466.29ms. Allocated memory is still 175.1MB. Free memory was 147.9MB in the beginning and 138.0MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 899.55ms. Allocated memory is still 175.1MB. Free memory was 137.8MB in the beginning and 113.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. 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:0. Analysis of lassos took 0.5s. 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: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 46]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. 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. - 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. RESULT: Ultimate proved your program to be incorrect! [2024-02-10 01:02:32,540 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...