/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_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:25:15,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:25:15,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:25:15,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:25:15,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:25:15,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:25:15,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:25:15,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:25:15,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:25:15,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:25:15,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:25:15,215 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:25:15,215 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:25:15,216 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:25:15,216 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:25:15,216 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:25:15,216 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:25:15,216 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:25:15,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:25:15,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:25:15,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:25:15,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:25:15,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:25:15,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:25:15,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:25:15,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:25:15,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:25:15,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:25:15,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:25:15,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:25:15,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:25:15,221 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:25:15,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:25:15,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:25:15,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:25:15,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:25:15,493 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:25:15,494 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:25:15,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl [2024-02-09 23:25:15,496 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl' [2024-02-09 23:25:15,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:25:15,550 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:25:15,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:25:15,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:25:15,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:25:15,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,594 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:25:15,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:25:15,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:25:15,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:25:15,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:25:15,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:25:15,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:25:15,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:25:15,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:25:15,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/1) ... [2024-02-09 23:25:15,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:15,710 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) [2024-02-09 23:25:15,737 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 [2024-02-09 23:25:15,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-09 23:25:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-09 23:25:15,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-09 23:25:15,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-09 23:25:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-09 23:25:15,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-09 23:25:15,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2024-02-09 23:25:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2024-02-09 23:25:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2024-02-09 23:25:15,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:25:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:25:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:25:15,761 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:25:15,799 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:25:15,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:25:15,900 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:25:15,911 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:25:15,911 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 23:25:15,913 INFO L201 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:25:15 BoogieIcfgContainer [2024-02-09 23:25:15,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:25:15,914 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:25:15,914 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:25:15,919 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:25:15,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:25:15,920 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:15" (1/2) ... [2024-02-09 23:25:15,921 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2129a959 and model type sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:25:15, skipping insertion in model container [2024-02-09 23:25:15,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:25:15,921 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:25:15" (2/2) ... [2024-02-09 23:25:15,922 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumbank.bpl [2024-02-09 23:25:15,981 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:25:16,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 76 flow [2024-02-09 23:25:16,027 INFO L124 PetriNetUnfolderBase]: 3/23 cut-off events. [2024-02-09 23:25:16,027 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:25:16,031 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. [2024-02-09 23:25:16,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 76 flow [2024-02-09 23:25:16,034 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 61 flow [2024-02-09 23:25:16,043 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:25:16,043 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:25:16,043 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:25:16,043 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:25:16,043 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:25:16,043 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:25:16,043 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:25:16,044 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:25:16,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:25:16,102 INFO L131 ngComponentsAnalysis]: Automaton has 54 accepting balls. 136 [2024-02-09 23:25:16,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:16,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:16,106 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:25:16,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 23:25:16,107 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:25:16,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 180 states, but on-demand construction may add more states [2024-02-09 23:25:16,115 INFO L131 ngComponentsAnalysis]: Automaton has 54 accepting balls. 136 [2024-02-09 23:25:16,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:16,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:16,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 23:25:16,115 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 23:25:16,119 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]don't care [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, $Ultimate##0]don't care [81] L57-->$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]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#[L46, $Ultimate##0, L59, $Ultimate##0]don't care [2024-02-09 23:25:16,120 INFO L750 eck$LassoCheckResult]: Loop: 47#[L46, $Ultimate##0, L59, $Ultimate##0]don't care [74] L46-->L48: Formula: (= v_B_1 (store v_B_2 (+ (- 1) v_i1_7) v_sum1_4)) InVars {sum1=v_sum1_4, i1=v_i1_7, B=v_B_2} OutVars{sum1=v_sum1_4, i1=v_i1_7, B=v_B_1} AuxVars[] AssignedVars[B] 61#[$Ultimate##0, L59, L48, $Ultimate##0]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#[L46, $Ultimate##0, L59, $Ultimate##0]don't care [2024-02-09 23:25:16,124 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash 107344, now seen corresponding path program 1 times [2024-02-09 23:25:16,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:16,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601722229] [2024-02-09 23:25:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:16,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:16,245 INFO L85 PathProgramCache]: Analyzing trace with hash 3330, now seen corresponding path program 1 times [2024-02-09 23:25:16,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105616303] [2024-02-09 23:25:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:16,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:16,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:16,262 INFO L85 PathProgramCache]: Analyzing trace with hash 103159953, now seen corresponding path program 1 times [2024-02-09 23:25:16,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:16,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222520981] [2024-02-09 23:25:16,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:16,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:16,419 INFO L201 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:25:16 BoogieIcfgContainer [2024-02-09 23:25:16,419 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:25:16,421 INFO L158 Benchmark]: Toolchain (without parser) took 870.16ms. Allocated memory is still 162.5MB. Free memory was 107.8MB in the beginning and 101.1MB in the end (delta: 6.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2024-02-09 23:25:16,422 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.76ms. Allocated memory is still 162.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:25:16,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 162.5MB. Free memory was 107.6MB in the beginning and 142.1MB in the end (delta: -34.5MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2024-02-09 23:25:16,425 INFO L158 Benchmark]: Boogie Preprocessor took 61.23ms. Allocated memory is still 162.5MB. Free memory was 142.1MB in the beginning and 140.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-02-09 23:25:16,426 INFO L158 Benchmark]: RCFGBuilder took 253.95ms. Allocated memory is still 162.5MB. Free memory was 140.4MB in the beginning and 130.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-09 23:25:16,427 INFO L158 Benchmark]: BuchiAutomizer took 505.56ms. Allocated memory is still 162.5MB. Free memory was 130.2MB in the beginning and 101.1MB in the end (delta: 29.2MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-02-09 23:25:16,431 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 0.76ms. Allocated memory is still 162.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 162.5MB. Free memory was 107.6MB in the beginning and 142.1MB in the end (delta: -34.5MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.23ms. Allocated memory is still 162.5MB. Free memory was 142.1MB in the beginning and 140.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * RCFGBuilder took 253.95ms. Allocated memory is still 162.5MB. Free memory was 140.4MB in the beginning and 130.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 505.56ms. Allocated memory is still 162.5MB. Free memory was 130.2MB in the beginning and 101.1MB in the end (delta: 29.2MB). Peak memory consumption was 28.3MB. 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 0.4s 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: 0.0s - 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! [2024-02-09 23:25:16,446 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...