/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 false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsuminc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:37:38,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:37:38,802 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 01:37:38,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:37:38,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:37:38,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:37:38,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:37:38,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:37:38,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:37:38,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:37:38,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:37:38,836 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:37:38,836 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:37:38,836 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:37:38,837 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:37:38,837 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:37:38,837 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:37:38,837 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:37:38,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:37:38,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:37:38,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:37:38,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:37:38,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:37:38,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:37:38,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:37:38,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:37:38,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:37:38,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:37:38,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:37:38,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:37:38,841 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:37:38,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:37:38,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:37:38,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:37:38,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:37:38,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:37:38,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:37:38,844 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:37:38,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:37:39,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:37:39,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:37:39,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:37:39,181 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:37:39,184 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:37:39,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsuminc.bpl [2024-02-10 01:37:39,185 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsuminc.bpl' [2024-02-10 01:37:39,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:37:39,218 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:37:39,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:39,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:37:39,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:37:39,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,248 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:37:39,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:39,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:37:39,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:37:39,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:37:39,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:37:39,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:37:39,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:37:39,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:37:39,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/1) ... [2024-02-10 01:37:39,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:39,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:39,390 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 01:37:39,416 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 01:37:39,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-10 01:37:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-10 01:37:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-10 01:37:39,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-10 01:37:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-10 01:37:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-10 01:37:39,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:37:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:37:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:37:39,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure inc given in one single declaration [2024-02-10 01:37:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2024-02-10 01:37:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2024-02-10 01:37:39,455 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 01:37:39,511 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:37:39,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:37:39,661 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:37:39,687 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:37:39,687 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 01:37:39,689 INFO L201 PluginConnector]: Adding new model sumsuminc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:39 BoogieIcfgContainer [2024-02-10 01:37:39,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:37:39,690 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:37:39,690 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:37:39,694 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:37:39,695 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:39,695 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:39" (1/2) ... [2024-02-10 01:37:39,696 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5327a351 and model type sumsuminc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:37:39, skipping insertion in model container [2024-02-10 01:37:39,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:39,697 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsuminc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:39" (2/2) ... [2024-02-10 01:37:39,698 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsuminc.bpl [2024-02-10 01:37:39,762 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 01:37:39,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions, 80 flow [2024-02-10 01:37:39,808 INFO L124 PetriNetUnfolderBase]: 3/25 cut-off events. [2024-02-10 01:37:39,808 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 01:37:39,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 25 events. 3/25 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2024-02-10 01:37:39,813 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 31 transitions, 80 flow [2024-02-10 01:37:39,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 25 transitions, 65 flow [2024-02-10 01:37:39,822 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:37:39,822 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:37:39,822 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:37:39,823 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:37:39,823 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:37:39,823 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:37:39,823 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:37:39,824 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:37:39,825 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:39,826 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 32 places, 25 transitions, 65 flow [2024-02-10 01:37:39,872 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 273 states, 271 states have (on average 2.918819188191882) internal successors, (791), 272 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:39,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 273 states, 271 states have (on average 2.918819188191882) internal successors, (791), 272 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:39,917 INFO L131 ngComponentsAnalysis]: Automaton has 74 accepting balls. 180 [2024-02-10 01:37:39,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:39,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:39,922 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:37:39,922 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:39,922 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 32 places, 25 transitions, 65 flow [2024-02-10 01:37:39,948 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 273 states, 271 states have (on average 2.918819188191882) internal successors, (791), 272 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:39,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 273 states, 271 states have (on average 2.918819188191882) internal successors, (791), 272 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:39,964 INFO L131 ngComponentsAnalysis]: Automaton has 74 accepting balls. 180 [2024-02-10 01:37:39,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:39,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:39,970 INFO L748 eck$LassoCheckResult]: Stem: Black: 586#[$Ultimate##0]don't care [95] $Ultimate##0-->$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] 589#[L64, $Ultimate##0]don't care [76] $Ultimate##0-->L19: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 593#[L19, L64]don't care [77] L19-->L21-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 601#[L64, L21-1]don't care [2024-02-10 01:37:39,970 INFO L750 eck$LassoCheckResult]: Loop: 601#[L64, L21-1]don't care [79] L21-1-->L21: Formula: (< v_i1_2 v_N_1) InVars {i1=v_i1_2, N=v_N_1} OutVars{i1=v_i1_2, N=v_N_1} AuxVars[] AssignedVars[] 617#[L64, L21]don't care [81] L21-->L21-1: Formula: (and (= (+ v_i1_12 1) v_i1_11) (= v_sum1_6 (+ (select v_A_15 v_i1_12) v_sum1_7))) InVars {sum1=v_sum1_7, A=v_A_15, i1=v_i1_12} OutVars{sum1=v_sum1_6, A=v_A_15, i1=v_i1_11} AuxVars[] AssignedVars[sum1, i1] 601#[L64, L21-1]don't care [2024-02-10 01:37:39,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:39,975 INFO L85 PathProgramCache]: Analyzing trace with hash 123519, now seen corresponding path program 1 times [2024-02-10 01:37:39,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:39,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64189744] [2024-02-10 01:37:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:40,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:40,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:40,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash 3491, now seen corresponding path program 1 times [2024-02-10 01:37:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:40,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750512122] [2024-02-10 01:37:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:40,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:40,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:40,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:40,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:40,122 INFO L85 PathProgramCache]: Analyzing trace with hash 118704289, now seen corresponding path program 1 times [2024-02-10 01:37:40,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:40,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532352626] [2024-02-10 01:37:40,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:40,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:40,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:40,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:40,259 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:40,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:40,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:40,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:40,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:40,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:40,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:40,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:40,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsuminc.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:37:40,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:40,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:40,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:40,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:40,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:40,381 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:40,385 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:40,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:40,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:40,388 INFO L229 MonitoredProcess]: Starting monitored process 2 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 01:37:40,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 01:37:40,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-02-10 01:37:40,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:40,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:40,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:40,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:40,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:40,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:40,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:40,428 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-10 01:37:40,429 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-02-10 01:37:40,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:40,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:40,433 INFO L229 MonitoredProcess]: Starting monitored process 3 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 01:37:40,444 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:40,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-02-10 01:37:40,466 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:40,467 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:40,468 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2024-02-10 01:37:40,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-10 01:37:40,477 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:40,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:40,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:40,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:40,559 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:40,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:37:40,618 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-10 01:37:40,620 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:40,804 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 392 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:37:40,805 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:40,806 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:40,817 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:40,817 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:37:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 152 transitions. [2024-02-10 01:37:40,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 152 transitions. Stem has 3 letters. Loop has 2 letters. [2024-02-10 01:37:40,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:40,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 152 transitions. Stem has 5 letters. Loop has 2 letters. [2024-02-10 01:37:40,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:40,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 152 transitions. Stem has 3 letters. Loop has 4 letters. [2024-02-10 01:37:40,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:40,863 INFO L428 stractBuchiCegarLoop]: Abstraction has has 50 places, 628 transitions, 2902 flow [2024-02-10 01:37:40,863 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:37:40,863 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:40,864 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 50 places, 628 transitions, 2902 flow [2024-02-10 01:37:40,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:40,965 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 847 states, 837 states have (on average 3.838709677419355) internal successors, (3213), 846 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:40,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 847 states, 837 states have (on average 3.838709677419355) internal successors, (3213), 846 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:41,005 INFO L131 ngComponentsAnalysis]: Automaton has 132 accepting balls. 292 [2024-02-10 01:37:41,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:41,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:41,008 INFO L748 eck$LassoCheckResult]: Stem: Black: 1182#[$Ultimate##0]don't care [95] $Ultimate##0-->$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] Black: 1185#[L64, $Ultimate##0]don't care [98] L64-->$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] 1198#[L65, $Ultimate##0, $Ultimate##0]don't care [82] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] Black: 1227#[L65, $Ultimate##0, L34]don't care [83] L34-->L36-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 1286#[L65, L36-1, $Ultimate##0]don't care [2024-02-10 01:37:41,009 INFO L750 eck$LassoCheckResult]: Loop: 1286#[L65, L36-1, $Ultimate##0]don't care [85] L36-1-->L36: Formula: (< v_i2_1 v_N_3) InVars {i2=v_i2_1, N=v_N_3} OutVars{i2=v_i2_1, N=v_N_3} AuxVars[] AssignedVars[] Black: 1406#[L65, $Ultimate##0, L36]don't care [87] L36-->L36-1: Formula: (and (= (+ v_i2_12 1) v_i2_11) (= (+ (select v_A_13 v_i2_12) v_sum2_7) v_sum2_6)) InVars {A=v_A_13, sum2=v_sum2_7, i2=v_i2_12} OutVars{A=v_A_13, sum2=v_sum2_6, i2=v_i2_11} AuxVars[] AssignedVars[sum2, i2] 1286#[L65, L36-1, $Ultimate##0]don't care [2024-02-10 01:37:41,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:41,011 INFO L85 PathProgramCache]: Analyzing trace with hash 3850469, now seen corresponding path program 1 times [2024-02-10 01:37:41,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:41,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021149376] [2024-02-10 01:37:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:41,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:41,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:41,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:41,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:41,044 INFO L85 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 1 times [2024-02-10 01:37:41,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:41,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913809317] [2024-02-10 01:37:41,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:41,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:41,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:41,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:41,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:41,054 INFO L85 PathProgramCache]: Analyzing trace with hash -594663865, now seen corresponding path program 1 times [2024-02-10 01:37:41,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:41,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13574876] [2024-02-10 01:37:41,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:41,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:41,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:41,168 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:41,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:41,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:41,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:41,169 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:41,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:41,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:41,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:41,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsuminc.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:37:41,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:41,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:41,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:41,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:41,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:41,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:41,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:41,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:41,272 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:41,272 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:41,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:41,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:41,274 INFO L229 MonitoredProcess]: Starting monitored process 4 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 01:37:41,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 01:37:41,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:41,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:37:41,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:41,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:41,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:41,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:37:41,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:37:41,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-02-10 01:37:41,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:41,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:41,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:41,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:41,310 INFO L229 MonitoredProcess]: Starting monitored process 5 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 01:37:41,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 01:37:41,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:41,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:41,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:41,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:41,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:41,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:41,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-02-10 01:37:41,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:41,358 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 01:37:41,358 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 01:37:41,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:41,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:41,360 INFO L229 MonitoredProcess]: Starting monitored process 6 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 01:37:41,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-02-10 01:37:41,365 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:41,383 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:41,383 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:41,383 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2024-02-10 01:37:41,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:41,393 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:41,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:41,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:41,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:41,435 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:41,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:37:41,457 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-10 01:37:41,457 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:41,581 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 392 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:37:41,581 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:41,581 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:41,670 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:41,670 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 01:37:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 152 transitions. [2024-02-10 01:37:41,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 152 transitions. Stem has 4 letters. Loop has 2 letters. [2024-02-10 01:37:41,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:41,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 152 transitions. Stem has 6 letters. Loop has 2 letters. [2024-02-10 01:37:41,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:41,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 152 transitions. Stem has 4 letters. Loop has 4 letters. [2024-02-10 01:37:41,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:41,673 INFO L428 stractBuchiCegarLoop]: Abstraction has has 68 places, 15756 transitions, 104676 flow [2024-02-10 01:37:41,673 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:37:41,674 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:41,674 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 68 places, 15756 transitions, 104676 flow [2024-02-10 01:37:42,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:44,465 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 2309 states, 2255 states have (on average 4.972062084257206) internal successors, (11212), 2308 states have internal predecessors, (11212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:44,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2309 states, 2255 states have (on average 4.972062084257206) internal successors, (11212), 2308 states have internal predecessors, (11212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:44,513 INFO L131 ngComponentsAnalysis]: Automaton has 92 accepting balls. 184 [2024-02-10 01:37:44,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:44,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:44,514 INFO L748 eck$LassoCheckResult]: Stem: Black: 3504#[$Ultimate##0]don't care [95] $Ultimate##0-->$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] Black: 3507#[$Ultimate##0, L64]don't care [98] L64-->$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] Black: 3521#[L65, $Ultimate##0, $Ultimate##0]don't care [101] L65-->$Ultimate##0: Formula: (and (= 3 v_incThread1of1ForFork2_thidvar1_2) (= 3 v_incThread1of1ForFork2_thidvar2_2) (= 3 v_incThread1of1ForFork2_thidvar0_2)) InVars {} OutVars{incThread1of1ForFork2_thidvar2=v_incThread1of1ForFork2_thidvar2_2, incThread1of1ForFork2_thidvar1=v_incThread1of1ForFork2_thidvar1_2, incThread1of1ForFork2_j=v_incThread1of1ForFork2_j_12, incThread1of1ForFork2_thidvar0=v_incThread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[incThread1of1ForFork2_thidvar2, incThread1of1ForFork2_thidvar1, incThread1of1ForFork2_j, incThread1of1ForFork2_thidvar0] Black: 3570#[$Ultimate##0, L66, $Ultimate##0, $Ultimate##0]don't care [88] $Ultimate##0-->L51-1: Formula: (= v_incThread1of1ForFork2_j_1 0) InVars {} OutVars{incThread1of1ForFork2_j=v_incThread1of1ForFork2_j_1} AuxVars[] AssignedVars[incThread1of1ForFork2_j] 3684#[$Ultimate##0, L66, $Ultimate##0, L51-1]don't care [2024-02-10 01:37:44,515 INFO L750 eck$LassoCheckResult]: Loop: 3684#[$Ultimate##0, L66, $Ultimate##0, L51-1]don't care [90] L51-1-->L50: Formula: (< v_incThread1of1ForFork2_j_5 v_N_5) InVars {incThread1of1ForFork2_j=v_incThread1of1ForFork2_j_5, N=v_N_5} OutVars{incThread1of1ForFork2_j=v_incThread1of1ForFork2_j_5, N=v_N_5} AuxVars[] AssignedVars[] Black: 3947#[$Ultimate##0, L66, $Ultimate##0, L50]don't care [92] L50-->L51-1: Formula: (or (and (= v_A_In_1 v_A_Out_2) (or (<= v_i1_In_1 v_incThread1of1ForFork2_j_7) (<= v_i2_In_1 v_incThread1of1ForFork2_j_7)) (= v_incThread1of1ForFork2_j_8 v_incThread1of1ForFork2_j_7)) (and (< v_incThread1of1ForFork2_j_7 v_i2_In_1) (< v_incThread1of1ForFork2_j_7 v_i1_In_1) (= v_incThread1of1ForFork2_j_8 (+ v_incThread1of1ForFork2_j_7 1)) (= v_A_Out_2 (store v_A_In_1 v_incThread1of1ForFork2_j_7 (+ (select v_A_In_1 v_incThread1of1ForFork2_j_7) 1))))) InVars {A=v_A_In_1, i1=v_i1_In_1, i2=v_i2_In_1, incThread1of1ForFork2_j=v_incThread1of1ForFork2_j_7} OutVars{A=v_A_Out_2, i1=v_i1_In_1, i2=v_i2_In_1, incThread1of1ForFork2_j=v_incThread1of1ForFork2_j_8} AuxVars[] AssignedVars[A, incThread1of1ForFork2_j] 3684#[$Ultimate##0, L66, $Ultimate##0, L51-1]don't care [2024-02-10 01:37:44,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 3851063, now seen corresponding path program 1 times [2024-02-10 01:37:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:44,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178581910] [2024-02-10 01:37:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:44,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:44,524 INFO L85 PathProgramCache]: Analyzing trace with hash 3843, now seen corresponding path program 1 times [2024-02-10 01:37:44,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:44,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875219401] [2024-02-10 01:37:44,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:44,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:44,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash -594092871, now seen corresponding path program 1 times [2024-02-10 01:37:44,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:44,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709515815] [2024-02-10 01:37:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:44,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:44,748 INFO L201 PluginConnector]: Adding new model sumsuminc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:37:44 BoogieIcfgContainer [2024-02-10 01:37:44,748 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:37:44,749 INFO L158 Benchmark]: Toolchain (without parser) took 5530.61ms. Allocated memory was 159.4MB in the beginning and 292.6MB in the end (delta: 133.2MB). Free memory was 97.0MB in the beginning and 233.1MB in the end (delta: -136.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:37:44,750 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:37:44,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.93ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-10 01:37:44,751 INFO L158 Benchmark]: Boogie Preprocessor took 93.79ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 130.4MB in the end (delta: -35.1MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2024-02-10 01:37:44,752 INFO L158 Benchmark]: RCFGBuilder took 341.81ms. Allocated memory is still 159.4MB. Free memory was 130.4MB in the beginning and 119.4MB in the end (delta: 11.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 01:37:44,753 INFO L158 Benchmark]: BuchiAutomizer took 5058.16ms. Allocated memory was 159.4MB in the beginning and 292.6MB in the end (delta: 133.2MB). Free memory was 119.2MB in the beginning and 233.1MB in the end (delta: -113.9MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2024-02-10 01:37:44,759 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 0.12ms. Allocated memory is still 159.4MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.93ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.79ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 130.4MB in the end (delta: -35.1MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * RCFGBuilder took 341.81ms. Allocated memory is still 159.4MB. Free memory was 130.4MB in the beginning and 119.4MB in the end (delta: 11.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 5058.16ms. Allocated memory was 159.4MB in the beginning and 292.6MB in the end (delta: 133.2MB). Free memory was 119.2MB in the beginning and 233.1MB in the end (delta: -113.9MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 5 locations. The remainder module has 104676 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 1. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 114 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital31 mio100 ax100 hnf100 lsp81 ukn92 mio100 lsp60 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 81ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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: 49]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L64] FORK 0 fork 1 sum1(); [L65] FORK 0 fork 2, 2 sum2(); [L66] FORK 0 fork 3, 3, 3 inc(); [L48] 3 j := 0; VAL [j=0] Loop: [L49] COND TRUE j < N [L51] COND FALSE !(j < i1 && j < i2) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 49]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L64] FORK 0 fork 1 sum1(); [L65] FORK 0 fork 2, 2 sum2(); [L66] FORK 0 fork 3, 3, 3 inc(); [L48] 3 j := 0; VAL [j=0] Loop: [L49] COND TRUE j < N [L51] COND FALSE !(j < i1 && j < i2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-02-10 01:37:44,781 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...