java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 18:08:09,733 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 18:08:09,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 18:08:09,752 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-18 18:08:09,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-18 18:08:09,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-18 18:08:09,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-18 18:08:09,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-18 18:08:09,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-18 18:08:09,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-18 18:08:09,764 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-18 18:08:09,764 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-18 18:08:09,765 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-18 18:08:09,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-18 18:08:09,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-18 18:08:09,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-18 18:08:09,772 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-18 18:08:09,774 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-18 18:08:09,780 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-18 18:08:09,782 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-18 18:08:09,783 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-18 18:08:09,785 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-18 18:08:09,788 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-01-18 18:08:09,800 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-18 18:08:09,812 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 18:08:09,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 18:08:09,814 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 18:08:09,814 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 18:08:09,814 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 18:08:09,814 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 18:08:09,814 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 18:08:09,815 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 18:08:09,815 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 18:08:09,815 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-18 18:08:09,815 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-18 18:08:09,815 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 18:08:09,816 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 18:08:09,816 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 18:08:09,816 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 18:08:09,817 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 18:08:09,817 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 18:08:09,817 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 18:08:09,817 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 18:08:09,817 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 18:08:09,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 18:08:09,818 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 18:08:09,818 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 18:08:09,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 18:08:09,818 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 18:08:09,819 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 18:08:09,819 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 18:08:09,819 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 18:08:09,819 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 18:08:09,819 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 18:08:09,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 18:08:09,820 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 18:08:09,820 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 18:08:09,820 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 18:08:09,820 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 18:08:09,821 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 18:08:09,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 18:08:09,821 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 18:08:09,821 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 18:08:09,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 18:08:09,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 18:08:09,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 18:08:09,880 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 18:08:09,880 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 18:08:09,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl [2019-01-18 18:08:09,882 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl' [2019-01-18 18:08:09,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 18:08:09,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 18:08:09,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 18:08:09,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 18:08:09,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 18:08:09,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:09,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:09,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 18:08:10,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 18:08:10,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 18:08:10,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 18:08:10,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... [2019-01-18 18:08:10,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 18:08:10,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 18:08:10,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 18:08:10,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 18:08:10,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 18:08:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 18:08:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 18:08:10,546 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 18:08:10,547 INFO L286 CfgBuilder]: Removed 15 assue(true) statements. [2019-01-18 18:08:10,548 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 06:08:10 BoogieIcfgContainer [2019-01-18 18:08:10,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 18:08:10,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-18 18:08:10,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-18 18:08:10,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-18 18:08:10,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:08:09" (1/2) ... [2019-01-18 18:08:10,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b6ba18 and model type speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 06:08:10, skipping insertion in model container [2019-01-18 18:08:10,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 06:08:10" (2/2) ... [2019-01-18 18:08:10,556 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-6-limited.bpl [2019-01-18 18:08:10,566 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-18 18:08:10,578 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-01-18 18:08:10,598 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-01-18 18:08:10,642 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-18 18:08:10,643 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-18 18:08:10,643 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-18 18:08:10,643 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-18 18:08:10,643 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-18 18:08:10,644 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-18 18:08:10,645 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-18 18:08:10,645 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-18 18:08:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-18 18:08:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-18 18:08:10,681 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 18:08:10,682 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-18 18:08:10,685 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-18 18:08:10,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 18:08:10,693 INFO L82 PathProgramCache]: Analyzing trace with hash 988, now seen corresponding path program 1 times [2019-01-18 18:08:10,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 18:08:10,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 18:08:10,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 18:08:10,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 18:08:10,752 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 18:08:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 18:08:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 18:08:10,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-18 18:08:10,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-18 18:08:10,917 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-18 18:08:10,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-18 18:08:10,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-18 18:08:10,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-18 18:08:10,933 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-01-18 18:08:11,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 18:08:11,148 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2019-01-18 18:08:11,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-18 18:08:11,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-18 18:08:11,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-18 18:08:11,163 INFO L225 Difference]: With dead ends: 29 [2019-01-18 18:08:11,164 INFO L226 Difference]: Without dead ends: 24 [2019-01-18 18:08:11,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-18 18:08:11,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-18 18:08:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2019-01-18 18:08:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-18 18:08:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 25 transitions. [2019-01-18 18:08:11,206 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 25 transitions. Word has length 2 [2019-01-18 18:08:11,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-18 18:08:11,207 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 25 transitions. [2019-01-18 18:08:11,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-18 18:08:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2019-01-18 18:08:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-18 18:08:11,208 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 18:08:11,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-18 18:08:11,209 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-18 18:08:11,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 18:08:11,209 INFO L82 PathProgramCache]: Analyzing trace with hash 30376, now seen corresponding path program 1 times [2019-01-18 18:08:11,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 18:08:11,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 18:08:11,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 18:08:11,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 18:08:11,211 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 18:08:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 18:08:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 18:08:11,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-18 18:08:11,335 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-18 18:08:11,336 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-18 18:08:11,338 INFO L207 CegarAbsIntRunner]: [0], [18], [27] [2019-01-18 18:08:11,425 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-18 18:08:11,426 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 18:08:26,637 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-01-18 18:08:26,639 INFO L272 AbstractInterpreter]: Visited 3 different actions 13 times. Merged at 1 different actions 5 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-18 18:08:26,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 18:08:26,645 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-01-18 18:08:27,372 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 75% of their original sizes. [2019-01-18 18:08:27,373 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-01-18 18:08:29,727 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_104 Int) (v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_103 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_1875_1 Int) (v_v_1876_1 Int) (v_v_1877_1 Int) (v_v_1879_1 Int) (v_v_1869_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_v_1881_1 Int) (v_v_1871_1 Int) (v_v_1873_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int)) (let ((.cse6 (+ v_b_150_1 4)) (.cse0 (+ c_ULTIMATE.start_main_p4 2)) (.cse7 (+ v_b_152_1 3)) (.cse8 (+ v_b_158_1 1)) (.cse1 (+ v_b_153_1 2)) (.cse3 (+ v_b_150_1 1)) (.cse10 (+ v_b_151_1 1)) (.cse11 (+ c_ULTIMATE.start_main_p1 5)) (.cse2 (+ c_ULTIMATE.start_main_p1 2)) (.cse15 (+ c_ULTIMATE.start_main_p1 3)) (.cse4 (+ v_b_156_1 1)) (.cse5 (+ c_ULTIMATE.start_main_p1 1)) (.cse12 (+ v_b_150_1 2)) (.cse9 (+ v_b_151_1 3)) (.cse13 (+ c_ULTIMATE.start_main_p4 1)) (.cse14 (+ v_b_152_1 1))) (and (<= .cse0 v_b_157_1) (or (= (select |c_#memory_int| v_idx_103) v_v_1869_1) (<= c_ULTIMATE.start_main_p1 v_idx_103)) (<= (+ v_b_151_1 4) v_b_159_1) (<= .cse1 v_b_158_1) (<= (+ v_b_152_1 2) v_b_156_1) (<= (+ c_ULTIMATE.start_main_p4 3) v_b_159_1) (<= .cse2 v_b_152_1) (<= (+ v_b_150_1 3) v_b_156_1) (<= .cse3 v_b_151_1) (<= .cse4 v_b_158_1) (or (= (select |c_#memory_int| v_idx_109) v_v_1875_1) (<= c_ULTIMATE.start_main_p4 v_idx_109) (< v_idx_109 v_b_153_1)) (<= .cse5 v_b_150_1) (<= v_b_153_1 c_ULTIMATE.start_main_p4) (<= (+ v_b_152_1 4) v_b_159_1) (or (< v_idx_106 v_b_150_1) (<= v_b_151_1 v_idx_106) (= (select |c_#memory_int| v_idx_106) 0)) (<= .cse6 v_b_158_1) (<= (+ v_b_153_1 1) v_b_156_1) (or (= (select |c_#memory_int| v_idx_114) 0) (<= v_b_159_1 v_idx_114) (< v_idx_114 v_b_158_1)) (<= .cse7 v_b_158_1) (<= v_b_159_1 .cse8) (<= .cse9 v_b_158_1) (<= .cse10 v_b_153_1) (<= v_b_157_1 .cse4) (<= .cse11 v_b_157_1) (<= .cse12 c_ULTIMATE.start_main_p4) (<= .cse6 v_b_157_1) (<= .cse0 v_b_158_1) (or (< v_idx_111 .cse13) (= v_v_1877_1 (select |c_#memory_int| v_idx_111)) (<= v_b_156_1 v_idx_111)) (<= v_v_1876_1 0) (<= .cse7 v_b_157_1) (<= v_b_151_1 .cse3) (or (< v_idx_108 v_b_152_1) (= (select |c_#memory_int| v_idx_108) 0) (<= v_b_153_1 v_idx_108)) (or (= (select |c_#memory_int| v_idx_112) 0) (< v_idx_112 v_b_156_1) (<= v_b_157_1 v_idx_112)) (or (= (select |c_#memory_int| v_idx_104) 0) (<= .cse5 v_idx_104) (< v_idx_104 c_ULTIMATE.start_main_p1)) (<= (+ v_b_157_1 1) v_b_159_1) (or (= (select |c_#memory_int| v_idx_113) v_v_1879_1) (< v_idx_113 v_b_157_1) (<= v_b_158_1 v_idx_113)) (<= .cse8 v_b_159_1) (<= .cse1 v_b_157_1) (<= v_b_157_1 v_b_158_1) (<= .cse3 v_b_152_1) (<= .cse10 c_ULTIMATE.start_main_p4) (or (< v_idx_110 c_ULTIMATE.start_main_p4) (<= .cse13 v_idx_110) (= (select |c_#memory_int| v_idx_110) v_v_1876_1)) (<= .cse11 v_b_158_1) (<= .cse14 v_b_153_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse2 v_b_151_1) (or (<= v_b_152_1 v_idx_107) (= (select |c_#memory_int| v_idx_107) v_v_1873_1) (< v_idx_107 v_b_151_1)) (<= (+ v_b_151_1 2) v_b_156_1) (<= .cse15 c_ULTIMATE.start_main_p4) (<= (* 2 v_v_1876_1) 0) (<= (+ c_ULTIMATE.start_main_p1 4) v_b_156_1) (<= .cse15 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= (+ v_b_150_1 5) v_b_159_1) (or (< v_idx_115 v_b_159_1) (= (select |c_#memory_int| v_idx_115) v_v_1881_1)) (<= .cse4 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (or (< v_idx_105 .cse5) (<= v_b_150_1 v_idx_105) (= (select |c_#memory_int| v_idx_105) v_v_1871_1)) (<= .cse14 c_ULTIMATE.start_main_p4) (<= .cse12 v_b_153_1) (<= .cse9 v_b_157_1) (<= .cse13 v_b_156_1) (<= v_b_153_1 .cse14))))) is different from false [2019-01-18 18:08:32,139 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_126 Int) (v_idx_127 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_128 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_1875_1 Int) (v_v_1876_1 Int) (v_v_1877_1 Int) (v_v_1879_1 Int) (v_v_1869_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_v_1881_1 Int) (v_v_1871_1 Int) (v_v_1873_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int) (v_b_155_1 Int) (v_b_154_1 Int)) (let ((.cse1 (+ v_b_152_1 2)) (.cse11 (+ v_b_150_1 4)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse13 (+ v_b_152_1 3)) (.cse16 (+ v_b_151_1 1)) (.cse5 (+ v_b_150_1 3)) (.cse14 (+ v_b_158_1 1)) (.cse0 (+ v_b_153_1 2)) (.cse7 (+ v_b_150_1 1)) (.cse17 (+ c_ULTIMATE.start_main_p1 5)) (.cse3 (+ v_b_154_1 2)) (.cse4 (+ c_ULTIMATE.start_main_p1 2)) (.cse18 (+ v_b_155_1 1)) (.cse20 (+ v_b_151_1 2)) (.cse2 (+ c_ULTIMATE.start_main_p1 4)) (.cse8 (+ v_b_156_1 1)) (.cse10 (+ v_b_150_1 2)) (.cse15 (+ v_b_151_1 3)) (.cse21 (+ c_ULTIMATE.start_main_p1 3)) (.cse6 (+ v_b_154_1 1)) (.cse19 (+ v_b_152_1 1)) (.cse12 (+ v_b_153_1 1))) (and (or (= (select |c_#memory_int| v_idx_124) v_v_1877_1) (<= v_b_156_1 v_idx_124) (< v_idx_124 v_b_155_1)) (<= (+ v_b_151_1 4) v_b_159_1) (<= .cse0 v_b_158_1) (<= .cse1 v_b_156_1) (or (= (select |c_#memory_int| v_idx_119) 0) (<= v_b_151_1 v_idx_119) (< v_idx_119 v_b_150_1)) (<= .cse2 v_b_155_1) (<= .cse3 v_b_157_1) (<= .cse4 v_b_152_1) (<= .cse5 v_b_156_1) (<= .cse6 v_b_156_1) (<= .cse7 v_b_151_1) (<= .cse8 v_b_158_1) (or (< v_idx_117 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_117) (= (select |c_#memory_int| v_idx_117) 0)) (<= .cse9 v_b_150_1) (<= (+ v_b_152_1 4) v_b_159_1) (<= .cse10 v_b_154_1) (<= .cse1 v_b_155_1) (<= .cse11 v_b_158_1) (<= .cse12 v_b_156_1) (<= .cse13 v_b_158_1) (<= v_b_159_1 .cse14) (<= .cse15 v_b_158_1) (<= .cse16 v_b_153_1) (<= v_b_157_1 .cse8) (<= .cse17 v_b_157_1) (<= .cse11 v_b_157_1) (or (< v_idx_127 v_b_158_1) (= (select |c_#memory_int| v_idx_127) 0) (<= v_b_159_1 v_idx_127)) (or (= (select |c_#memory_int| v_idx_118) v_v_1871_1) (< v_idx_118 .cse9) (<= v_b_150_1 v_idx_118)) (<= (+ v_b_155_1 2) v_b_159_1) (<= v_v_1876_1 0) (<= .cse13 v_b_157_1) (<= v_b_151_1 .cse7) (or (< v_idx_122 v_b_153_1) (= (select |c_#memory_int| v_idx_122) v_v_1875_1) (<= v_b_154_1 v_idx_122)) (<= .cse16 v_b_154_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_116) (= (select |c_#memory_int| v_idx_116) v_v_1869_1)) (<= .cse5 v_b_155_1) (<= (+ v_b_157_1 1) v_b_159_1) (<= .cse14 v_b_159_1) (<= .cse0 v_b_157_1) (<= v_b_157_1 v_b_158_1) (<= .cse7 v_b_152_1) (<= .cse18 v_b_157_1) (or (<= v_b_152_1 v_idx_120) (< v_idx_120 v_b_151_1) (= (select |c_#memory_int| v_idx_120) v_v_1873_1)) (<= .cse17 v_b_158_1) (<= .cse3 v_b_158_1) (<= .cse19 v_b_153_1) (<= (+ v_b_154_1 3) v_b_159_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= .cse20 v_b_155_1) (or (< v_idx_128 v_b_159_1) (= (select |c_#memory_int| v_idx_128) v_v_1881_1)) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse4 v_b_151_1) (<= .cse18 v_b_158_1) (<= .cse20 v_b_156_1) (<= (* 2 v_v_1876_1) 0) (<= .cse2 v_b_156_1) (<= .cse21 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= v_b_155_1 .cse6) (<= (+ v_b_150_1 5) v_b_159_1) (<= .cse8 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (<= .cse19 v_b_154_1) (or (= (select |c_#memory_int| v_idx_123) v_v_1876_1) (<= v_b_155_1 v_idx_123) (< v_idx_123 v_b_154_1)) (or (< v_idx_125 v_b_156_1) (<= v_b_157_1 v_idx_125) (= 0 (select |c_#memory_int| v_idx_125))) (or (<= v_b_153_1 v_idx_121) (< v_idx_121 v_b_152_1) (= 0 (select |c_#memory_int| v_idx_121))) (<= .cse10 v_b_153_1) (or (< v_idx_126 v_b_157_1) (<= v_b_158_1 v_idx_126) (= (select |c_#memory_int| v_idx_126) v_v_1879_1)) (<= .cse15 v_b_157_1) (<= .cse21 v_b_154_1) (<= .cse6 v_b_155_1) (<= v_b_155_1 v_b_156_1) (<= v_b_153_1 v_b_154_1) (<= v_b_153_1 .cse19) (<= .cse12 v_b_155_1))))) is different from false [2019-01-18 18:08:32,282 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-01-18 18:08:32,282 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-01-18 18:08:32,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-18 18:08:32,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-01-18 18:08:32,284 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-18 18:08:32,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-18 18:08:32,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-18 18:08:32,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-01-18 18:08:32,286 INFO L87 Difference]: Start difference. First operand 14 states and 25 transitions. Second operand 4 states. [2019-01-18 18:08:34,866 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_idx_126 Int) (v_idx_127 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_128 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_1875_1 Int) (v_v_1876_1 Int) (v_v_1877_1 Int) (v_v_1879_1 Int) (v_v_1869_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_v_1881_1 Int) (v_v_1871_1 Int) (v_v_1873_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int) (v_b_155_1 Int) (v_b_154_1 Int)) (let ((.cse1 (+ v_b_152_1 2)) (.cse11 (+ v_b_150_1 4)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse13 (+ v_b_152_1 3)) (.cse16 (+ v_b_151_1 1)) (.cse5 (+ v_b_150_1 3)) (.cse14 (+ v_b_158_1 1)) (.cse0 (+ v_b_153_1 2)) (.cse7 (+ v_b_150_1 1)) (.cse17 (+ c_ULTIMATE.start_main_p1 5)) (.cse3 (+ v_b_154_1 2)) (.cse4 (+ c_ULTIMATE.start_main_p1 2)) (.cse18 (+ v_b_155_1 1)) (.cse20 (+ v_b_151_1 2)) (.cse2 (+ c_ULTIMATE.start_main_p1 4)) (.cse8 (+ v_b_156_1 1)) (.cse10 (+ v_b_150_1 2)) (.cse15 (+ v_b_151_1 3)) (.cse21 (+ c_ULTIMATE.start_main_p1 3)) (.cse6 (+ v_b_154_1 1)) (.cse19 (+ v_b_152_1 1)) (.cse12 (+ v_b_153_1 1))) (and (or (= (select |c_#memory_int| v_idx_124) v_v_1877_1) (<= v_b_156_1 v_idx_124) (< v_idx_124 v_b_155_1)) (<= (+ v_b_151_1 4) v_b_159_1) (<= .cse0 v_b_158_1) (<= .cse1 v_b_156_1) (or (= (select |c_#memory_int| v_idx_119) 0) (<= v_b_151_1 v_idx_119) (< v_idx_119 v_b_150_1)) (<= .cse2 v_b_155_1) (<= .cse3 v_b_157_1) (<= .cse4 v_b_152_1) (<= .cse5 v_b_156_1) (<= .cse6 v_b_156_1) (<= .cse7 v_b_151_1) (<= .cse8 v_b_158_1) (or (< v_idx_117 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_117) (= (select |c_#memory_int| v_idx_117) 0)) (<= .cse9 v_b_150_1) (<= (+ v_b_152_1 4) v_b_159_1) (<= .cse10 v_b_154_1) (<= .cse1 v_b_155_1) (<= .cse11 v_b_158_1) (<= .cse12 v_b_156_1) (<= .cse13 v_b_158_1) (<= v_b_159_1 .cse14) (<= .cse15 v_b_158_1) (<= .cse16 v_b_153_1) (<= v_b_157_1 .cse8) (<= .cse17 v_b_157_1) (<= .cse11 v_b_157_1) (or (< v_idx_127 v_b_158_1) (= (select |c_#memory_int| v_idx_127) 0) (<= v_b_159_1 v_idx_127)) (or (= (select |c_#memory_int| v_idx_118) v_v_1871_1) (< v_idx_118 .cse9) (<= v_b_150_1 v_idx_118)) (<= (+ v_b_155_1 2) v_b_159_1) (<= v_v_1876_1 0) (<= .cse13 v_b_157_1) (<= v_b_151_1 .cse7) (or (< v_idx_122 v_b_153_1) (= (select |c_#memory_int| v_idx_122) v_v_1875_1) (<= v_b_154_1 v_idx_122)) (<= .cse16 v_b_154_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_116) (= (select |c_#memory_int| v_idx_116) v_v_1869_1)) (<= .cse5 v_b_155_1) (<= (+ v_b_157_1 1) v_b_159_1) (<= .cse14 v_b_159_1) (<= .cse0 v_b_157_1) (<= v_b_157_1 v_b_158_1) (<= .cse7 v_b_152_1) (<= .cse18 v_b_157_1) (or (<= v_b_152_1 v_idx_120) (< v_idx_120 v_b_151_1) (= (select |c_#memory_int| v_idx_120) v_v_1873_1)) (<= .cse17 v_b_158_1) (<= .cse3 v_b_158_1) (<= .cse19 v_b_153_1) (<= (+ v_b_154_1 3) v_b_159_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= .cse20 v_b_155_1) (or (< v_idx_128 v_b_159_1) (= (select |c_#memory_int| v_idx_128) v_v_1881_1)) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse4 v_b_151_1) (<= .cse18 v_b_158_1) (<= .cse20 v_b_156_1) (<= (* 2 v_v_1876_1) 0) (<= .cse2 v_b_156_1) (<= .cse21 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= v_b_155_1 .cse6) (<= (+ v_b_150_1 5) v_b_159_1) (<= .cse8 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (<= .cse19 v_b_154_1) (or (= (select |c_#memory_int| v_idx_123) v_v_1876_1) (<= v_b_155_1 v_idx_123) (< v_idx_123 v_b_154_1)) (or (< v_idx_125 v_b_156_1) (<= v_b_157_1 v_idx_125) (= 0 (select |c_#memory_int| v_idx_125))) (or (<= v_b_153_1 v_idx_121) (< v_idx_121 v_b_152_1) (= 0 (select |c_#memory_int| v_idx_121))) (<= .cse10 v_b_153_1) (or (< v_idx_126 v_b_157_1) (<= v_b_158_1 v_idx_126) (= (select |c_#memory_int| v_idx_126) v_v_1879_1)) (<= .cse15 v_b_157_1) (<= .cse21 v_b_154_1) (<= .cse6 v_b_155_1) (<= v_b_155_1 v_b_156_1) (<= v_b_153_1 v_b_154_1) (<= v_b_153_1 .cse19) (<= .cse12 v_b_155_1))))) (forall ((v_idx_104 Int) (v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_103 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_1875_1 Int) (v_v_1876_1 Int) (v_v_1877_1 Int) (v_v_1879_1 Int) (v_v_1869_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_v_1881_1 Int) (v_v_1871_1 Int) (v_v_1873_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int)) (let ((.cse28 (+ v_b_150_1 4)) (.cse22 (+ c_ULTIMATE.start_main_p4 2)) (.cse29 (+ v_b_152_1 3)) (.cse30 (+ v_b_158_1 1)) (.cse23 (+ v_b_153_1 2)) (.cse25 (+ v_b_150_1 1)) (.cse32 (+ v_b_151_1 1)) (.cse33 (+ c_ULTIMATE.start_main_p1 5)) (.cse24 (+ c_ULTIMATE.start_main_p1 2)) (.cse37 (+ c_ULTIMATE.start_main_p1 3)) (.cse26 (+ v_b_156_1 1)) (.cse27 (+ c_ULTIMATE.start_main_p1 1)) (.cse34 (+ v_b_150_1 2)) (.cse31 (+ v_b_151_1 3)) (.cse35 (+ c_ULTIMATE.start_main_p4 1)) (.cse36 (+ v_b_152_1 1))) (and (<= .cse22 v_b_157_1) (or (= (select |c_#memory_int| v_idx_103) v_v_1869_1) (<= c_ULTIMATE.start_main_p1 v_idx_103)) (<= (+ v_b_151_1 4) v_b_159_1) (<= .cse23 v_b_158_1) (<= (+ v_b_152_1 2) v_b_156_1) (<= (+ c_ULTIMATE.start_main_p4 3) v_b_159_1) (<= .cse24 v_b_152_1) (<= (+ v_b_150_1 3) v_b_156_1) (<= .cse25 v_b_151_1) (<= .cse26 v_b_158_1) (or (= (select |c_#memory_int| v_idx_109) v_v_1875_1) (<= c_ULTIMATE.start_main_p4 v_idx_109) (< v_idx_109 v_b_153_1)) (<= .cse27 v_b_150_1) (<= v_b_153_1 c_ULTIMATE.start_main_p4) (<= (+ v_b_152_1 4) v_b_159_1) (or (< v_idx_106 v_b_150_1) (<= v_b_151_1 v_idx_106) (= (select |c_#memory_int| v_idx_106) 0)) (<= .cse28 v_b_158_1) (<= (+ v_b_153_1 1) v_b_156_1) (or (= (select |c_#memory_int| v_idx_114) 0) (<= v_b_159_1 v_idx_114) (< v_idx_114 v_b_158_1)) (<= .cse29 v_b_158_1) (<= v_b_159_1 .cse30) (<= .cse31 v_b_158_1) (<= .cse32 v_b_153_1) (<= v_b_157_1 .cse26) (<= .cse33 v_b_157_1) (<= .cse34 c_ULTIMATE.start_main_p4) (<= .cse28 v_b_157_1) (<= .cse22 v_b_158_1) (or (< v_idx_111 .cse35) (= v_v_1877_1 (select |c_#memory_int| v_idx_111)) (<= v_b_156_1 v_idx_111)) (<= v_v_1876_1 0) (<= .cse29 v_b_157_1) (<= v_b_151_1 .cse25) (or (< v_idx_108 v_b_152_1) (= (select |c_#memory_int| v_idx_108) 0) (<= v_b_153_1 v_idx_108)) (or (= (select |c_#memory_int| v_idx_112) 0) (< v_idx_112 v_b_156_1) (<= v_b_157_1 v_idx_112)) (or (= (select |c_#memory_int| v_idx_104) 0) (<= .cse27 v_idx_104) (< v_idx_104 c_ULTIMATE.start_main_p1)) (<= (+ v_b_157_1 1) v_b_159_1) (or (= (select |c_#memory_int| v_idx_113) v_v_1879_1) (< v_idx_113 v_b_157_1) (<= v_b_158_1 v_idx_113)) (<= .cse30 v_b_159_1) (<= .cse23 v_b_157_1) (<= v_b_157_1 v_b_158_1) (<= .cse25 v_b_152_1) (<= .cse32 c_ULTIMATE.start_main_p4) (or (< v_idx_110 c_ULTIMATE.start_main_p4) (<= .cse35 v_idx_110) (= (select |c_#memory_int| v_idx_110) v_v_1876_1)) (<= .cse33 v_b_158_1) (<= .cse36 v_b_153_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse24 v_b_151_1) (or (<= v_b_152_1 v_idx_107) (= (select |c_#memory_int| v_idx_107) v_v_1873_1) (< v_idx_107 v_b_151_1)) (<= (+ v_b_151_1 2) v_b_156_1) (<= .cse37 c_ULTIMATE.start_main_p4) (<= (* 2 v_v_1876_1) 0) (<= (+ c_ULTIMATE.start_main_p1 4) v_b_156_1) (<= .cse37 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= (+ v_b_150_1 5) v_b_159_1) (or (< v_idx_115 v_b_159_1) (= (select |c_#memory_int| v_idx_115) v_v_1881_1)) (<= .cse26 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (or (< v_idx_105 .cse27) (<= v_b_150_1 v_idx_105) (= (select |c_#memory_int| v_idx_105) v_v_1871_1)) (<= .cse36 c_ULTIMATE.start_main_p4) (<= .cse34 v_b_153_1) (<= .cse31 v_b_157_1) (<= .cse35 v_b_156_1) (<= v_b_153_1 .cse36)))))) is different from false [2019-01-18 18:09:11,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 18:09:11,440 INFO L93 Difference]: Finished difference Result 16 states and 33 transitions. [2019-01-18 18:09:11,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-18 18:09:11,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-18 18:09:11,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-18 18:09:11,442 INFO L225 Difference]: With dead ends: 16 [2019-01-18 18:09:11,442 INFO L226 Difference]: Without dead ends: 15 [2019-01-18 18:09:11,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=7, Invalid=4, Unknown=3, NotChecked=6, Total=20 [2019-01-18 18:09:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-18 18:09:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-18 18:09:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-18 18:09:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 32 transitions. [2019-01-18 18:09:11,452 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 32 transitions. Word has length 3 [2019-01-18 18:09:11,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-18 18:09:11,452 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 32 transitions. [2019-01-18 18:09:11,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-18 18:09:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2019-01-18 18:09:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-18 18:09:11,453 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 18:09:11,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-18 18:09:11,454 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-18 18:09:11,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 18:09:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 30004, now seen corresponding path program 1 times [2019-01-18 18:09:11,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 18:09:11,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 18:09:11,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 18:09:11,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 18:09:11,457 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 18:09:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 18:09:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 18:09:11,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-18 18:09:11,595 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-18 18:09:11,596 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-18 18:09:11,596 INFO L207 CegarAbsIntRunner]: [0], [6], [27] [2019-01-18 18:09:11,598 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-18 18:09:11,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 18:09:22,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-01-18 18:09:22,588 INFO L272 AbstractInterpreter]: Visited 3 different actions 13 times. Merged at 1 different actions 5 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-18 18:09:22,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 18:09:22,589 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-01-18 18:09:23,088 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 80% of their original sizes. [2019-01-18 18:09:23,089 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-01-18 18:09:25,571 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_236 Int) (v_idx_237 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_243 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_241 Int) (v_idx_242 Int) (v_idx_231 Int)) (exists ((v_b_169_2 Int) (v_b_168_2 Int) (v_b_171_2 Int) (v_v_1772_2 Int) (v_v_1764_2 Int) (v_b_172_2 Int) (v_v_1766_2 Int) (v_b_173_2 Int) (v_v_1770_2 Int) (v_b_174_2 Int) (v_v_1765_2 Int) (v_b_175_2 Int) (v_b_167_2 Int) (v_v_1768_2 Int) (v_b_166_2 Int) (v_v_1776_2 Int) (v_v_1774_2 Int) (v_b_170_2 Int)) (let ((.cse0 (+ v_b_170_2 2)) (.cse4 (+ v_b_166_2 3)) (.cse1 (+ c_ULTIMATE.start_main_p1 1)) (.cse3 (+ v_b_168_2 2)) (.cse5 (+ v_b_166_2 1)) (.cse7 (+ c_ULTIMATE.start_main_p1 2)) (.cse12 (+ v_b_174_2 1)) (.cse14 (+ v_b_171_2 1)) (.cse8 (+ v_b_166_2 4)) (.cse11 (+ v_b_168_2 3)) (.cse2 (+ v_b_169_2 2)) (.cse10 (+ v_b_166_2 2)) (.cse17 (+ v_b_167_2 1)) (.cse19 (+ c_ULTIMATE.start_main_p1 3)) (.cse13 (+ v_b_167_2 3)) (.cse18 (+ v_b_169_2 1)) (.cse6 (+ v_b_168_2 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 5)) (.cse15 (+ v_b_167_2 2)) (.cse21 (+ v_b_172_2 1)) (.cse20 (+ c_ULTIMATE.start_main_p1 4)) (.cse16 (+ v_b_170_2 1))) (and (<= (+ v_b_166_2 5) v_b_175_2) (<= (+ v_b_167_2 4) v_b_175_2) (<= v_b_167_2 v_b_168_2) (<= .cse0 v_b_174_2) (or (= 0 (select |c_#memory_int| v_idx_242)) (<= v_b_175_2 v_idx_242) (< v_idx_242 v_b_174_2)) (<= .cse1 v_b_166_2) (<= .cse2 v_b_174_2) (<= .cse3 v_b_171_2) (<= .cse4 v_b_172_2) (or (<= v_b_166_2 v_idx_233) (= (select |c_#memory_int| v_idx_233) v_v_1766_2) (< v_idx_233 .cse1)) (or (= (select |c_#memory_int| v_idx_239) v_v_1772_2) (<= v_b_172_2 v_idx_239) (< v_idx_239 v_b_171_2)) (<= .cse0 v_b_173_2) (<= v_b_167_2 .cse5) (or (< v_idx_240 v_b_172_2) (<= v_b_173_2 v_idx_240) (= 0 (select |c_#memory_int| v_idx_240))) (<= v_b_171_2 v_b_172_2) (<= .cse5 v_b_168_2) (<= 0 (* 2 v_v_1765_2)) (<= (+ v_b_170_2 3) v_b_175_2) (<= .cse4 v_b_171_2) (<= .cse6 v_b_170_2) (or (<= v_b_169_2 v_idx_236) (= (select |c_#memory_int| v_idx_236) 0) (< v_idx_236 v_b_168_2)) (or (= (select |c_#memory_int| v_idx_237) v_v_1770_2) (< v_idx_237 v_b_169_2) (<= v_b_170_2 v_idx_237)) (or (<= v_b_167_2 v_idx_234) (< v_idx_234 v_b_166_2) (= 0 (select |c_#memory_int| v_idx_234))) (<= .cse7 v_b_168_2) (or (< v_idx_232 c_ULTIMATE.start_main_p1) (<= .cse1 v_idx_232) (= (select |c_#memory_int| v_idx_232) v_v_1765_2)) (<= .cse3 v_b_172_2) (<= .cse8 v_b_173_2) (<= (+ v_b_169_2 3) v_b_175_2) (<= 0 v_v_1765_2) (or (= 0 (select |c_#memory_int| v_idx_238)) (< v_idx_238 v_b_170_2) (<= v_b_171_2 v_idx_238)) (or (= (select |c_#memory_int| v_idx_241) v_v_1774_2) (<= v_b_174_2 v_idx_241) (< v_idx_241 v_b_173_2)) (<= .cse9 v_b_173_2) (<= .cse5 v_b_167_2) (<= .cse10 v_b_170_2) (<= v_b_173_2 v_b_174_2) (<= .cse11 v_b_173_2) (<= .cse12 v_b_175_2) (<= .cse7 v_b_167_2) (<= .cse13 v_b_174_2) (<= v_b_175_2 .cse12) (<= .cse14 v_b_174_2) (<= .cse15 v_b_171_2) (<= .cse16 v_b_172_2) (or (<= c_ULTIMATE.start_main_p1 v_idx_231) (= (select |c_#memory_int| v_idx_231) v_v_1764_2)) (<= .cse14 v_b_173_2) (<= .cse17 v_b_169_2) (<= .cse18 v_b_171_2) (<= .cse19 v_b_169_2) (<= .cse8 v_b_174_2) (<= .cse20 v_b_172_2) (<= (+ v_b_168_2 4) v_b_175_2) (<= (+ v_b_171_2 2) v_b_175_2) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_175_2) (<= .cse21 v_b_173_2) (<= (+ v_b_172_2 2) v_b_175_2) (<= .cse11 v_b_174_2) (<= .cse2 v_b_173_2) (<= v_b_173_2 .cse21) (<= .cse10 v_b_169_2) (<= .cse17 v_b_170_2) (or (< v_idx_235 v_b_167_2) (= (select |c_#memory_int| v_idx_235) v_v_1768_2) (<= v_b_168_2 v_idx_235)) (<= v_b_169_2 .cse6) (<= (+ v_b_173_2 1) v_b_175_2) (<= .cse19 v_b_170_2) (<= .cse13 v_b_173_2) (or (< v_idx_243 v_b_175_2) (= (select |c_#memory_int| v_idx_243) v_v_1776_2)) (<= .cse18 v_b_172_2) (<= .cse6 v_b_169_2) (<= .cse9 v_b_174_2) (<= .cse15 v_b_172_2) (<= v_b_169_2 v_b_170_2) (<= v_b_171_2 .cse16) (<= .cse21 v_b_174_2) (<= .cse20 v_b_171_2) (<= .cse16 v_b_171_2))))) is different from false [2019-01-18 18:09:28,642 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_247 Int) (v_idx_248 Int) (v_idx_245 Int) (v_idx_256 Int) (v_idx_246 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_244 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_b_169_2 Int) (v_b_168_2 Int) (v_b_171_2 Int) (v_v_1764_2 Int) (v_v_1772_2 Int) (v_b_172_2 Int) (v_b_173_2 Int) (v_v_1766_2 Int) (v_v_1770_2 Int) (v_b_174_2 Int) (v_v_1765_2 Int) (v_b_175_2 Int) (v_b_167_2 Int) (v_v_1768_2 Int) (v_b_166_2 Int) (v_v_1776_2 Int) (v_v_1774_2 Int) (v_b_170_2 Int)) (let ((.cse0 (+ v_b_170_2 2)) (.cse4 (+ v_b_166_2 3)) (.cse3 (+ v_b_168_2 2)) (.cse5 (+ v_b_166_2 1)) (.cse7 (+ c_ULTIMATE.start_main_p1 2)) (.cse12 (+ v_b_174_2 1)) (.cse14 (+ v_b_171_2 1)) (.cse8 (+ v_b_166_2 4)) (.cse11 (+ v_b_168_2 3)) (.cse2 (+ v_b_169_2 2)) (.cse10 (+ v_b_166_2 2)) (.cse17 (+ v_b_167_2 1)) (.cse1 (+ c_ULTIMATE.start_main_p1 1)) (.cse19 (+ c_ULTIMATE.start_main_p1 3)) (.cse13 (+ v_b_167_2 3)) (.cse18 (+ v_b_169_2 1)) (.cse6 (+ v_b_168_2 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 5)) (.cse15 (+ v_b_167_2 2)) (.cse21 (+ v_b_172_2 1)) (.cse20 (+ c_ULTIMATE.start_main_p1 4)) (.cse16 (+ v_b_170_2 1))) (and (or (= 0 (select |c_#memory_int| v_idx_253)) (<= v_b_173_2 v_idx_253) (< v_idx_253 v_b_172_2)) (<= (+ v_b_166_2 5) v_b_175_2) (<= (+ v_b_167_2 4) v_b_175_2) (<= v_b_167_2 v_b_168_2) (<= .cse0 v_b_174_2) (<= .cse1 v_b_166_2) (or (< v_idx_254 v_b_173_2) (= (select |c_#memory_int| v_idx_254) v_v_1774_2) (<= v_b_174_2 v_idx_254)) (<= .cse2 v_b_174_2) (<= .cse3 v_b_171_2) (or (= (select |c_#memory_int| v_idx_244) v_v_1764_2) (<= c_ULTIMATE.start_main_p1 v_idx_244)) (<= .cse4 v_b_172_2) (<= .cse0 v_b_173_2) (<= v_b_167_2 .cse5) (<= v_b_171_2 v_b_172_2) (or (= 0 (select |c_#memory_int| v_idx_255)) (<= v_b_175_2 v_idx_255) (< v_idx_255 v_b_174_2)) (<= .cse5 v_b_168_2) (<= 0 (* 2 v_v_1765_2)) (<= (+ v_b_170_2 3) v_b_175_2) (<= .cse4 v_b_171_2) (<= .cse6 v_b_170_2) (or (< v_idx_256 v_b_175_2) (= (select |c_#memory_int| v_idx_256) v_v_1776_2)) (<= .cse7 v_b_168_2) (<= .cse3 v_b_172_2) (<= .cse8 v_b_173_2) (or (<= v_b_167_2 v_idx_247) (= 0 (select |c_#memory_int| v_idx_247)) (< v_idx_247 v_b_166_2)) (<= (+ v_b_169_2 3) v_b_175_2) (or (< v_idx_252 v_b_171_2) (<= v_b_172_2 v_idx_252) (= (select |c_#memory_int| v_idx_252) v_v_1772_2)) (or (< v_idx_246 .cse1) (= v_v_1766_2 (select |c_#memory_int| v_idx_246)) (<= v_b_166_2 v_idx_246)) (<= 0 v_v_1765_2) (<= .cse9 v_b_173_2) (<= .cse5 v_b_167_2) (<= .cse10 v_b_170_2) (<= v_b_173_2 v_b_174_2) (<= .cse11 v_b_173_2) (<= .cse12 v_b_175_2) (or (= (select |c_#memory_int| v_idx_248) v_v_1768_2) (< v_idx_248 v_b_167_2) (<= v_b_168_2 v_idx_248)) (<= .cse7 v_b_167_2) (<= .cse13 v_b_174_2) (<= v_b_175_2 .cse12) (<= .cse14 v_b_174_2) (<= .cse15 v_b_171_2) (<= .cse16 v_b_172_2) (<= .cse14 v_b_173_2) (<= .cse17 v_b_169_2) (<= .cse18 v_b_171_2) (or (<= v_b_169_2 v_idx_249) (< v_idx_249 v_b_168_2) (= 0 (select |c_#memory_int| v_idx_249))) (<= .cse19 v_b_169_2) (<= .cse8 v_b_174_2) (<= .cse20 v_b_172_2) (or (<= v_b_171_2 v_idx_251) (= (select |c_#memory_int| v_idx_251) 0) (< v_idx_251 v_b_170_2)) (<= (+ v_b_168_2 4) v_b_175_2) (<= (+ v_b_171_2 2) v_b_175_2) (or (<= v_b_170_2 v_idx_250) (< v_idx_250 v_b_169_2) (= (select |c_#memory_int| v_idx_250) v_v_1770_2)) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_175_2) (<= .cse21 v_b_173_2) (<= (+ v_b_172_2 2) v_b_175_2) (<= .cse11 v_b_174_2) (<= .cse2 v_b_173_2) (<= v_b_173_2 .cse21) (<= .cse10 v_b_169_2) (<= .cse17 v_b_170_2) (<= v_b_169_2 .cse6) (or (< v_idx_245 c_ULTIMATE.start_main_p1) (<= .cse1 v_idx_245) (= (select |c_#memory_int| v_idx_245) v_v_1765_2)) (<= (+ v_b_173_2 1) v_b_175_2) (<= .cse19 v_b_170_2) (<= .cse13 v_b_173_2) (<= .cse18 v_b_172_2) (<= .cse6 v_b_169_2) (<= .cse9 v_b_174_2) (<= .cse15 v_b_172_2) (<= v_b_169_2 v_b_170_2) (<= v_b_171_2 .cse16) (<= .cse21 v_b_174_2) (<= .cse20 v_b_171_2) (<= .cse16 v_b_171_2))))) is different from false [2019-01-18 18:09:29,056 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-01-18 18:09:29,056 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-01-18 18:09:29,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-18 18:09:29,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-01-18 18:09:29,057 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-18 18:09:29,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-18 18:09:29,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-18 18:09:29,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-01-18 18:09:29,058 INFO L87 Difference]: Start difference. First operand 15 states and 32 transitions. Second operand 4 states. [2019-01-18 18:09:31,819 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_idx_247 Int) (v_idx_248 Int) (v_idx_245 Int) (v_idx_256 Int) (v_idx_246 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_244 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_b_169_2 Int) (v_b_168_2 Int) (v_b_171_2 Int) (v_v_1764_2 Int) (v_v_1772_2 Int) (v_b_172_2 Int) (v_b_173_2 Int) (v_v_1766_2 Int) (v_v_1770_2 Int) (v_b_174_2 Int) (v_v_1765_2 Int) (v_b_175_2 Int) (v_b_167_2 Int) (v_v_1768_2 Int) (v_b_166_2 Int) (v_v_1776_2 Int) (v_v_1774_2 Int) (v_b_170_2 Int)) (let ((.cse0 (+ v_b_170_2 2)) (.cse4 (+ v_b_166_2 3)) (.cse3 (+ v_b_168_2 2)) (.cse5 (+ v_b_166_2 1)) (.cse7 (+ c_ULTIMATE.start_main_p1 2)) (.cse12 (+ v_b_174_2 1)) (.cse14 (+ v_b_171_2 1)) (.cse8 (+ v_b_166_2 4)) (.cse11 (+ v_b_168_2 3)) (.cse2 (+ v_b_169_2 2)) (.cse10 (+ v_b_166_2 2)) (.cse17 (+ v_b_167_2 1)) (.cse1 (+ c_ULTIMATE.start_main_p1 1)) (.cse19 (+ c_ULTIMATE.start_main_p1 3)) (.cse13 (+ v_b_167_2 3)) (.cse18 (+ v_b_169_2 1)) (.cse6 (+ v_b_168_2 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 5)) (.cse15 (+ v_b_167_2 2)) (.cse21 (+ v_b_172_2 1)) (.cse20 (+ c_ULTIMATE.start_main_p1 4)) (.cse16 (+ v_b_170_2 1))) (and (or (= 0 (select |c_#memory_int| v_idx_253)) (<= v_b_173_2 v_idx_253) (< v_idx_253 v_b_172_2)) (<= (+ v_b_166_2 5) v_b_175_2) (<= (+ v_b_167_2 4) v_b_175_2) (<= v_b_167_2 v_b_168_2) (<= .cse0 v_b_174_2) (<= .cse1 v_b_166_2) (or (< v_idx_254 v_b_173_2) (= (select |c_#memory_int| v_idx_254) v_v_1774_2) (<= v_b_174_2 v_idx_254)) (<= .cse2 v_b_174_2) (<= .cse3 v_b_171_2) (or (= (select |c_#memory_int| v_idx_244) v_v_1764_2) (<= c_ULTIMATE.start_main_p1 v_idx_244)) (<= .cse4 v_b_172_2) (<= .cse0 v_b_173_2) (<= v_b_167_2 .cse5) (<= v_b_171_2 v_b_172_2) (or (= 0 (select |c_#memory_int| v_idx_255)) (<= v_b_175_2 v_idx_255) (< v_idx_255 v_b_174_2)) (<= .cse5 v_b_168_2) (<= 0 (* 2 v_v_1765_2)) (<= (+ v_b_170_2 3) v_b_175_2) (<= .cse4 v_b_171_2) (<= .cse6 v_b_170_2) (or (< v_idx_256 v_b_175_2) (= (select |c_#memory_int| v_idx_256) v_v_1776_2)) (<= .cse7 v_b_168_2) (<= .cse3 v_b_172_2) (<= .cse8 v_b_173_2) (or (<= v_b_167_2 v_idx_247) (= 0 (select |c_#memory_int| v_idx_247)) (< v_idx_247 v_b_166_2)) (<= (+ v_b_169_2 3) v_b_175_2) (or (< v_idx_252 v_b_171_2) (<= v_b_172_2 v_idx_252) (= (select |c_#memory_int| v_idx_252) v_v_1772_2)) (or (< v_idx_246 .cse1) (= v_v_1766_2 (select |c_#memory_int| v_idx_246)) (<= v_b_166_2 v_idx_246)) (<= 0 v_v_1765_2) (<= .cse9 v_b_173_2) (<= .cse5 v_b_167_2) (<= .cse10 v_b_170_2) (<= v_b_173_2 v_b_174_2) (<= .cse11 v_b_173_2) (<= .cse12 v_b_175_2) (or (= (select |c_#memory_int| v_idx_248) v_v_1768_2) (< v_idx_248 v_b_167_2) (<= v_b_168_2 v_idx_248)) (<= .cse7 v_b_167_2) (<= .cse13 v_b_174_2) (<= v_b_175_2 .cse12) (<= .cse14 v_b_174_2) (<= .cse15 v_b_171_2) (<= .cse16 v_b_172_2) (<= .cse14 v_b_173_2) (<= .cse17 v_b_169_2) (<= .cse18 v_b_171_2) (or (<= v_b_169_2 v_idx_249) (< v_idx_249 v_b_168_2) (= 0 (select |c_#memory_int| v_idx_249))) (<= .cse19 v_b_169_2) (<= .cse8 v_b_174_2) (<= .cse20 v_b_172_2) (or (<= v_b_171_2 v_idx_251) (= (select |c_#memory_int| v_idx_251) 0) (< v_idx_251 v_b_170_2)) (<= (+ v_b_168_2 4) v_b_175_2) (<= (+ v_b_171_2 2) v_b_175_2) (or (<= v_b_170_2 v_idx_250) (< v_idx_250 v_b_169_2) (= (select |c_#memory_int| v_idx_250) v_v_1770_2)) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_175_2) (<= .cse21 v_b_173_2) (<= (+ v_b_172_2 2) v_b_175_2) (<= .cse11 v_b_174_2) (<= .cse2 v_b_173_2) (<= v_b_173_2 .cse21) (<= .cse10 v_b_169_2) (<= .cse17 v_b_170_2) (<= v_b_169_2 .cse6) (or (< v_idx_245 c_ULTIMATE.start_main_p1) (<= .cse1 v_idx_245) (= (select |c_#memory_int| v_idx_245) v_v_1765_2)) (<= (+ v_b_173_2 1) v_b_175_2) (<= .cse19 v_b_170_2) (<= .cse13 v_b_173_2) (<= .cse18 v_b_172_2) (<= .cse6 v_b_169_2) (<= .cse9 v_b_174_2) (<= .cse15 v_b_172_2) (<= v_b_169_2 v_b_170_2) (<= v_b_171_2 .cse16) (<= .cse21 v_b_174_2) (<= .cse20 v_b_171_2) (<= .cse16 v_b_171_2))))) (forall ((v_idx_236 Int) (v_idx_237 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_243 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_241 Int) (v_idx_242 Int) (v_idx_231 Int)) (exists ((v_b_169_2 Int) (v_b_168_2 Int) (v_b_171_2 Int) (v_v_1772_2 Int) (v_v_1764_2 Int) (v_b_172_2 Int) (v_v_1766_2 Int) (v_b_173_2 Int) (v_v_1770_2 Int) (v_b_174_2 Int) (v_v_1765_2 Int) (v_b_175_2 Int) (v_b_167_2 Int) (v_v_1768_2 Int) (v_b_166_2 Int) (v_v_1776_2 Int) (v_v_1774_2 Int) (v_b_170_2 Int)) (let ((.cse22 (+ v_b_170_2 2)) (.cse26 (+ v_b_166_2 3)) (.cse23 (+ c_ULTIMATE.start_main_p1 1)) (.cse25 (+ v_b_168_2 2)) (.cse27 (+ v_b_166_2 1)) (.cse29 (+ c_ULTIMATE.start_main_p1 2)) (.cse34 (+ v_b_174_2 1)) (.cse36 (+ v_b_171_2 1)) (.cse30 (+ v_b_166_2 4)) (.cse33 (+ v_b_168_2 3)) (.cse24 (+ v_b_169_2 2)) (.cse32 (+ v_b_166_2 2)) (.cse39 (+ v_b_167_2 1)) (.cse41 (+ c_ULTIMATE.start_main_p1 3)) (.cse35 (+ v_b_167_2 3)) (.cse40 (+ v_b_169_2 1)) (.cse28 (+ v_b_168_2 1)) (.cse31 (+ c_ULTIMATE.start_main_p1 5)) (.cse37 (+ v_b_167_2 2)) (.cse43 (+ v_b_172_2 1)) (.cse42 (+ c_ULTIMATE.start_main_p1 4)) (.cse38 (+ v_b_170_2 1))) (and (<= (+ v_b_166_2 5) v_b_175_2) (<= (+ v_b_167_2 4) v_b_175_2) (<= v_b_167_2 v_b_168_2) (<= .cse22 v_b_174_2) (or (= 0 (select |c_#memory_int| v_idx_242)) (<= v_b_175_2 v_idx_242) (< v_idx_242 v_b_174_2)) (<= .cse23 v_b_166_2) (<= .cse24 v_b_174_2) (<= .cse25 v_b_171_2) (<= .cse26 v_b_172_2) (or (<= v_b_166_2 v_idx_233) (= (select |c_#memory_int| v_idx_233) v_v_1766_2) (< v_idx_233 .cse23)) (or (= (select |c_#memory_int| v_idx_239) v_v_1772_2) (<= v_b_172_2 v_idx_239) (< v_idx_239 v_b_171_2)) (<= .cse22 v_b_173_2) (<= v_b_167_2 .cse27) (or (< v_idx_240 v_b_172_2) (<= v_b_173_2 v_idx_240) (= 0 (select |c_#memory_int| v_idx_240))) (<= v_b_171_2 v_b_172_2) (<= .cse27 v_b_168_2) (<= 0 (* 2 v_v_1765_2)) (<= (+ v_b_170_2 3) v_b_175_2) (<= .cse26 v_b_171_2) (<= .cse28 v_b_170_2) (or (<= v_b_169_2 v_idx_236) (= (select |c_#memory_int| v_idx_236) 0) (< v_idx_236 v_b_168_2)) (or (= (select |c_#memory_int| v_idx_237) v_v_1770_2) (< v_idx_237 v_b_169_2) (<= v_b_170_2 v_idx_237)) (or (<= v_b_167_2 v_idx_234) (< v_idx_234 v_b_166_2) (= 0 (select |c_#memory_int| v_idx_234))) (<= .cse29 v_b_168_2) (or (< v_idx_232 c_ULTIMATE.start_main_p1) (<= .cse23 v_idx_232) (= (select |c_#memory_int| v_idx_232) v_v_1765_2)) (<= .cse25 v_b_172_2) (<= .cse30 v_b_173_2) (<= (+ v_b_169_2 3) v_b_175_2) (<= 0 v_v_1765_2) (or (= 0 (select |c_#memory_int| v_idx_238)) (< v_idx_238 v_b_170_2) (<= v_b_171_2 v_idx_238)) (or (= (select |c_#memory_int| v_idx_241) v_v_1774_2) (<= v_b_174_2 v_idx_241) (< v_idx_241 v_b_173_2)) (<= .cse31 v_b_173_2) (<= .cse27 v_b_167_2) (<= .cse32 v_b_170_2) (<= v_b_173_2 v_b_174_2) (<= .cse33 v_b_173_2) (<= .cse34 v_b_175_2) (<= .cse29 v_b_167_2) (<= .cse35 v_b_174_2) (<= v_b_175_2 .cse34) (<= .cse36 v_b_174_2) (<= .cse37 v_b_171_2) (<= .cse38 v_b_172_2) (or (<= c_ULTIMATE.start_main_p1 v_idx_231) (= (select |c_#memory_int| v_idx_231) v_v_1764_2)) (<= .cse36 v_b_173_2) (<= .cse39 v_b_169_2) (<= .cse40 v_b_171_2) (<= .cse41 v_b_169_2) (<= .cse30 v_b_174_2) (<= .cse42 v_b_172_2) (<= (+ v_b_168_2 4) v_b_175_2) (<= (+ v_b_171_2 2) v_b_175_2) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_175_2) (<= .cse43 v_b_173_2) (<= (+ v_b_172_2 2) v_b_175_2) (<= .cse33 v_b_174_2) (<= .cse24 v_b_173_2) (<= v_b_173_2 .cse43) (<= .cse32 v_b_169_2) (<= .cse39 v_b_170_2) (or (< v_idx_235 v_b_167_2) (= (select |c_#memory_int| v_idx_235) v_v_1768_2) (<= v_b_168_2 v_idx_235)) (<= v_b_169_2 .cse28) (<= (+ v_b_173_2 1) v_b_175_2) (<= .cse41 v_b_170_2) (<= .cse35 v_b_173_2) (or (< v_idx_243 v_b_175_2) (= (select |c_#memory_int| v_idx_243) v_v_1776_2)) (<= .cse40 v_b_172_2) (<= .cse28 v_b_169_2) (<= .cse31 v_b_174_2) (<= .cse37 v_b_172_2) (<= v_b_169_2 v_b_170_2) (<= v_b_171_2 .cse38) (<= .cse43 v_b_174_2) (<= .cse42 v_b_171_2) (<= .cse38 v_b_171_2)))))) is different from false [2019-01-18 18:09:46,913 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-18 18:09:46,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-18 18:09:46,915 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:666) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 41 more [2019-01-18 18:09:46,918 INFO L168 Benchmark]: Toolchain (without parser) took 96979.15 ms. Allocated memory was 135.3 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 110.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2019-01-18 18:09:46,920 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory is still 111.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-18 18:09:46,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.70 ms. Allocated memory is still 135.3 MB. Free memory was 110.2 MB in the beginning and 107.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-01-18 18:09:46,922 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 ms. Allocated memory is still 135.3 MB. Free memory was 107.9 MB in the beginning and 106.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-18 18:09:46,923 INFO L168 Benchmark]: RCFGBuilder took 522.68 ms. Allocated memory is still 135.3 MB. Free memory was 106.7 MB in the beginning and 94.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-01-18 18:09:46,924 INFO L168 Benchmark]: TraceAbstraction took 96368.57 ms. Allocated memory was 135.3 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 94.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-01-18 18:09:46,934 INFO L336 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 0.25 ms. Allocated memory is still 135.3 MB. Free memory is still 111.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.70 ms. Allocated memory is still 135.3 MB. Free memory was 110.2 MB in the beginning and 107.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.48 ms. Allocated memory is still 135.3 MB. Free memory was 107.9 MB in the beginning and 106.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 522.68 ms. Allocated memory is still 135.3 MB. Free memory was 106.7 MB in the beginning and 94.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 96368.57 ms. Allocated memory was 135.3 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 94.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...