/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/sumsumsampleabs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:02:32,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:02:32,867 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 01:02:32,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:02:32,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:02:32,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:02:32,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:02:32,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:02:32,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:02:32,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:02:32,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:02:32,922 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:02:32,922 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:02:32,922 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:02:32,922 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:02:32,923 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:02:32,923 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:02:32,923 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:02:32,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:02:32,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:02:32,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:02:32,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:02:32,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:02:32,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:02:32,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:02:32,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:02:32,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:02:32,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:02:32,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:02:32,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:02:32,927 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:02:32,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:02:32,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:02:32,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:02:32,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:02:32,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:02:32,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:02:32,930 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:02:32,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> false [2024-02-10 01:02:33,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:02:33,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:02:33,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:02:33,322 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:02:33,324 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:02:33,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl [2024-02-10 01:02:33,326 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl' [2024-02-10 01:02:33,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:02:33,370 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:02:33,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:02:33,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:02:33,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:02:33,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,421 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:02:33,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:02:33,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:02:33,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:02:33,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:02:33,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:02:33,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:02:33,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:02:33,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:02:33,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/1) ... [2024-02-10 01:02:33,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:02:33,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:02:33,727 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 01:02:33,753 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 01:02:33,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-10 01:02:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-10 01:02:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-10 01:02:33,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-10 01:02:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-10 01:02:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-10 01:02:33,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2024-02-10 01:02:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2024-02-10 01:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2024-02-10 01:02:33,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:02:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:02:33,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2024-02-10 01:02:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2024-02-10 01:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2024-02-10 01:02:33,823 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 01:02:33,921 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:02:33,923 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:02:34,161 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:02:34,213 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:02:34,214 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-10 01:02:34,215 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: bankEXIT is neither atomic block end nor error location. [2024-02-10 01:02:34,243 INFO L201 PluginConnector]: Adding new model sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:02:34 BoogieIcfgContainer [2024-02-10 01:02:34,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:02:34,245 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:02:34,245 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:02:34,256 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:02:34,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:02:34,258 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:02:33" (1/2) ... [2024-02-10 01:02:34,262 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4307aee3 and model type sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:02:34, skipping insertion in model container [2024-02-10 01:02:34,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:02:34,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:02:34" (2/2) ... [2024-02-10 01:02:34,273 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs.bpl [2024-02-10 01:02:34,474 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 01:02:34,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 94 flow [2024-02-10 01:02:34,608 INFO L124 PetriNetUnfolderBase]: 4/28 cut-off events. [2024-02-10 01:02:34,609 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 01:02:34,615 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 5. Compared 50 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. [2024-02-10 01:02:34,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 36 transitions, 94 flow [2024-02-10 01:02:34,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 28 transitions, 74 flow [2024-02-10 01:02:34,627 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:02:34,628 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:02:34,628 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:02:34,644 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:02:34,644 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:02:34,644 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:02:34,644 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:02:34,645 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:02:34,647 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 places, 28 transitions, 74 flow [2024-02-10 01:02:34,652 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:02:34,653 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-10 01:02:34,653 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 01:02:34,654 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:02:34,660 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:02:34,661 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 places, 28 transitions, 74 flow [2024-02-10 01:02:34,662 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 01:02:34,662 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-10 01:02:34,663 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 01:02:34,663 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 01:02:34,669 INFO L748 eck$LassoCheckResult]: Stem: 45#[$Ultimate##0]true [100] $Ultimate##0-->L44: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 47#[L44, L66]true [2024-02-10 01:02:34,670 INFO L750 eck$LassoCheckResult]: Loop: 47#[L44, L66]true [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]true [2024-02-10 01:02:34,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:34,680 INFO L85 PathProgramCache]: Analyzing trace with hash 131, now seen corresponding path program 1 times [2024-02-10 01:02:34,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:34,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937688300] [2024-02-10 01:02:34,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:34,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:34,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:34,820 INFO L85 PathProgramCache]: Analyzing trace with hash 123, now seen corresponding path program 1 times [2024-02-10 01:02:34,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:34,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347915363] [2024-02-10 01:02:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:34,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:02:34,858 INFO L85 PathProgramCache]: Analyzing trace with hash 4153, now seen corresponding path program 1 times [2024-02-10 01:02:34,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:02:34,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755416795] [2024-02-10 01:02:34,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:02:34,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:02:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:02:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:02:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:02:34,979 INFO L201 PluginConnector]: Adding new model sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:02:34 BoogieIcfgContainer [2024-02-10 01:02:34,979 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:02:34,981 INFO L158 Benchmark]: Toolchain (without parser) took 1609.86ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 129.0MB in the beginning and 191.0MB in the end (delta: -62.1MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. [2024-02-10 01:02:34,982 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:02:34,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.19ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 129.0MB in the beginning and 224.2MB in the end (delta: -95.3MB). Peak memory consumption was 4.0MB. Max. memory is 8.0GB. [2024-02-10 01:02:34,983 INFO L158 Benchmark]: Boogie Preprocessor took 57.53ms. Allocated memory is still 249.6MB. Free memory was 224.2MB in the beginning and 222.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-10 01:02:34,984 INFO L158 Benchmark]: RCFGBuilder took 759.04ms. Allocated memory is still 249.6MB. Free memory was 222.5MB in the beginning and 211.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-10 01:02:34,984 INFO L158 Benchmark]: BuchiAutomizer took 733.78ms. Allocated memory is still 249.6MB. Free memory was 211.5MB in the beginning and 191.0MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-02-10 01:02:34,987 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 0.14ms. Allocated memory is still 161.5MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.19ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 129.0MB in the beginning and 224.2MB in the end (delta: -95.3MB). Peak memory consumption was 4.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.53ms. Allocated memory is still 249.6MB. Free memory was 224.2MB in the beginning and 222.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 759.04ms. Allocated memory is still 249.6MB. Free memory was 222.5MB in the beginning and 211.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 733.78ms. Allocated memory is still 249.6MB. Free memory was 211.5MB in the beginning and 191.0MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. 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:0. Analysis of lassos took 0.3s. 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 - LassoShapedNonTerminationArgument [Line: 41]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L66] FORK 0 fork 1 bank(); Loop: [L45] B[i1 - 1] := sum1; [L46] B[i2 - 1] := sum2; End of lasso representation. - 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. RESULT: Ultimate proved your program to be incorrect! [2024-02-10 01:02:35,009 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...