java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:50:07,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:50:07,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:50:07,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:50:07,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:50:07,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:50:07,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:50:07,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:50:07,748 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:50:07,749 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:50:07,750 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:50:07,750 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:50:07,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:50:07,752 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:50:07,753 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:50:07,755 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:50:07,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:50:07,760 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:50:07,761 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:50:07,762 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:50:07,764 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 14:50:07,765 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 14:50:07,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 14:50:07,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 14:50:07,767 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 14:50:07,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 14:50:07,768 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 14:50:07,769 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 14:50:07,769 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 14:50:07,769 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:50:07,770 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:50:07,770 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:50:07,779 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:50:07,779 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:50:07,780 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:50:07,780 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:50:07,780 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:50:07,780 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:50:07,780 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:50:07,781 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:50:07,781 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:50:07,782 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:50:07,782 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:50:07,782 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:50:07,782 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:50:07,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:50:07,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:50:07,782 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:50:07,783 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:50:07,783 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:50:07,783 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:50:07,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:50:07,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:50:07,783 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:50:07,784 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:50:07,785 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:50:07,785 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:50:07,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:50:07,828 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:50:07,831 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:50:07,833 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:50:07,833 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:50:07,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-01-23 14:50:08,010 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:50:08,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:50:08,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:50:08,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:50:08,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:50:08,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6225bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08, skipping insertion in model container [2018-01-23 14:50:08,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,038 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:50:08,079 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:50:08,208 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:50:08,232 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:50:08,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08 WrapperNode [2018-01-23 14:50:08,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:50:08,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:50:08,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:50:08,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:50:08,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... [2018-01-23 14:50:08,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:50:08,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:50:08,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:50:08,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:50:08,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (1/1) ... No working directory specified, using /storage/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 [2018-01-23 14:50:08,335 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:50:08,335 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:50:08,335 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:50:08,335 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:50:08,335 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:50:08,335 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 14:50:08,335 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 14:50:08,335 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:50:08,335 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:50:08,336 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:50:08,701 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:50:08,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:50:08 BoogieIcfgContainer [2018-01-23 14:50:08,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:50:08,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:50:08,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:50:08,705 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:50:08,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:50:08" (1/3) ... [2018-01-23 14:50:08,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d708340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:50:08, skipping insertion in model container [2018-01-23 14:50:08,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:50:08" (2/3) ... [2018-01-23 14:50:08,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d708340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:50:08, skipping insertion in model container [2018-01-23 14:50:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:50:08" (3/3) ... [2018-01-23 14:50:08,708 INFO L105 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-01-23 14:50:08,714 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:50:08,721 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-23 14:50:08,758 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:50:08,759 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:50:08,759 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:50:08,759 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:50:08,759 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:50:08,759 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:50:08,759 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:50:08,759 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:50:08,760 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:50:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-01-23 14:50:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:50:08,781 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:08,782 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:50:08,782 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:50:08,786 INFO L82 PathProgramCache]: Analyzing trace with hash 266896, now seen corresponding path program 1 times [2018-01-23 14:50:08,787 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:08,787 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:08,832 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:08,833 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:08,833 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:50:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:50:08,885 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:50:08,891 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:50:08,897 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:50:08,897 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:50:08,897 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:50:08,897 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:50:08,898 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:50:08,898 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:50:08,898 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:50:08,898 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:50:08,898 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:50:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-01-23 14:50:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-23 14:50:08,902 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:08,902 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:08,902 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:08,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1589472515, now seen corresponding path program 1 times [2018-01-23 14:50:08,902 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:08,903 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:08,904 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:08,905 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:08,905 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:08,941 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:09,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:50:09,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:50:09,093 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:50:09,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:50:09,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:50:09,105 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2018-01-23 14:50:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:09,131 INFO L93 Difference]: Finished difference Result 175 states and 233 transitions. [2018-01-23 14:50:09,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:50:09,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-01-23 14:50:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:09,143 INFO L225 Difference]: With dead ends: 175 [2018-01-23 14:50:09,143 INFO L226 Difference]: Without dead ends: 93 [2018-01-23 14:50:09,146 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:50:09,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-23 14:50:09,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-01-23 14:50:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-01-23 14:50:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2018-01-23 14:50:09,182 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 26 [2018-01-23 14:50:09,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:09,182 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2018-01-23 14:50:09,182 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:50:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2018-01-23 14:50:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-23 14:50:09,184 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:09,184 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:09,184 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:09,185 INFO L82 PathProgramCache]: Analyzing trace with hash -2068816306, now seen corresponding path program 1 times [2018-01-23 14:50:09,185 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:09,185 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:09,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:09,187 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:09,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:09,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:09,363 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:50:09,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-23 14:50:09,365 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-23 14:50:09,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-23 14:50:09,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:50:09,366 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 8 states. [2018-01-23 14:50:09,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:09,710 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2018-01-23 14:50:09,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-23 14:50:09,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-01-23 14:50:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:09,715 INFO L225 Difference]: With dead ends: 152 [2018-01-23 14:50:09,716 INFO L226 Difference]: Without dead ends: 133 [2018-01-23 14:50:09,717 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-01-23 14:50:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-01-23 14:50:09,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 95. [2018-01-23 14:50:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-01-23 14:50:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2018-01-23 14:50:09,728 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 35 [2018-01-23 14:50:09,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:09,728 INFO L432 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2018-01-23 14:50:09,728 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-23 14:50:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2018-01-23 14:50:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-23 14:50:09,730 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:09,730 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:09,730 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:09,731 INFO L82 PathProgramCache]: Analyzing trace with hash -308441856, now seen corresponding path program 1 times [2018-01-23 14:50:09,731 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:09,731 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:09,732 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:09,733 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:09,733 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:09,755 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:50:09,871 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:50:09,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-23 14:50:09,872 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-23 14:50:09,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-23 14:50:09,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:50:09,872 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand 8 states. [2018-01-23 14:50:10,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:10,105 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2018-01-23 14:50:10,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-23 14:50:10,105 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-01-23 14:50:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:10,107 INFO L225 Difference]: With dead ends: 130 [2018-01-23 14:50:10,107 INFO L226 Difference]: Without dead ends: 125 [2018-01-23 14:50:10,108 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-01-23 14:50:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-01-23 14:50:10,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 97. [2018-01-23 14:50:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-01-23 14:50:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2018-01-23 14:50:10,117 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 41 [2018-01-23 14:50:10,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:10,117 INFO L432 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2018-01-23 14:50:10,118 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-23 14:50:10,118 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2018-01-23 14:50:10,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-23 14:50:10,119 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:10,120 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:10,120 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:10,120 INFO L82 PathProgramCache]: Analyzing trace with hash 12114035, now seen corresponding path program 1 times [2018-01-23 14:50:10,120 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:10,121 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:10,122 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:10,122 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:10,122 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:10,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:50:10,489 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:50:10,489 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:50:10,499 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:10,539 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:50:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:10,958 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:50:10,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-01-23 14:50:10,959 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-01-23 14:50:10,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-01-23 14:50:10,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=220, Unknown=6, NotChecked=0, Total=272 [2018-01-23 14:50:10,959 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 17 states. [2018-01-23 14:50:11,681 WARN L146 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 56 DAG size of output 45 [2018-01-23 14:50:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:13,397 INFO L93 Difference]: Finished difference Result 251 states and 271 transitions. [2018-01-23 14:50:13,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-01-23 14:50:13,398 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2018-01-23 14:50:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:13,401 INFO L225 Difference]: With dead ends: 251 [2018-01-23 14:50:13,402 INFO L226 Difference]: Without dead ends: 244 [2018-01-23 14:50:13,403 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=237, Invalid=856, Unknown=29, NotChecked=0, Total=1122 [2018-01-23 14:50:13,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-01-23 14:50:13,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2018-01-23 14:50:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-01-23 14:50:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 169 transitions. [2018-01-23 14:50:13,422 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 169 transitions. Word has length 49 [2018-01-23 14:50:13,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:13,423 INFO L432 AbstractCegarLoop]: Abstraction has 158 states and 169 transitions. [2018-01-23 14:50:13,423 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-01-23 14:50:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2018-01-23 14:50:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-01-23 14:50:13,425 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:13,425 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:13,426 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:13,426 INFO L82 PathProgramCache]: Analyzing trace with hash 2050753612, now seen corresponding path program 1 times [2018-01-23 14:50:13,426 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:13,426 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:13,428 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:13,428 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:13,428 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:13,445 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:13,526 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:50:13,526 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:50:13,536 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:13,566 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:50:13,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:50:13,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-23 14:50:13,609 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:13,611 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:13,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:13,614 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-01-23 14:50:13,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-01-23 14:50:13,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-01-23 14:50:13,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:13,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:13,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:13,631 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-01-23 14:50:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:50:13,670 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:50:13,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2018-01-23 14:50:13,670 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-23 14:50:13,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-23 14:50:13,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-23 14:50:13,671 INFO L87 Difference]: Start difference. First operand 158 states and 169 transitions. Second operand 9 states. [2018-01-23 14:50:13,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:13,878 INFO L93 Difference]: Finished difference Result 310 states and 339 transitions. [2018-01-23 14:50:13,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-23 14:50:13,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-01-23 14:50:13,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:13,881 INFO L225 Difference]: With dead ends: 310 [2018-01-23 14:50:13,881 INFO L226 Difference]: Without dead ends: 266 [2018-01-23 14:50:13,882 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-01-23 14:50:13,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-01-23 14:50:13,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 212. [2018-01-23 14:50:13,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-01-23 14:50:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 229 transitions. [2018-01-23 14:50:13,902 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 229 transitions. Word has length 51 [2018-01-23 14:50:13,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:13,903 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 229 transitions. [2018-01-23 14:50:13,903 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-23 14:50:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 229 transitions. [2018-01-23 14:50:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-01-23 14:50:13,905 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:13,905 INFO L322 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:13,905 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:13,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1880555750, now seen corresponding path program 2 times [2018-01-23 14:50:13,906 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:13,906 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:13,907 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:13,907 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:13,907 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:13,922 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:14,071 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:50:14,071 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:50:14,076 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-23 14:50:14,096 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:50:14,192 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:50:14,194 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:50:14,199 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:50:14,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-01-23 14:50:14,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-23 14:50:14,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:14,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:14,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:14,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:10 [2018-01-23 14:50:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:14,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:50:14,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2018-01-23 14:50:14,585 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-01-23 14:50:14,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-01-23 14:50:14,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-01-23 14:50:14,585 INFO L87 Difference]: Start difference. First operand 212 states and 229 transitions. Second operand 23 states. [2018-01-23 14:50:15,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:15,364 INFO L93 Difference]: Finished difference Result 325 states and 354 transitions. [2018-01-23 14:50:15,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-23 14:50:15,364 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-01-23 14:50:15,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:15,366 INFO L225 Difference]: With dead ends: 325 [2018-01-23 14:50:15,366 INFO L226 Difference]: Without dead ends: 255 [2018-01-23 14:50:15,367 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=259, Invalid=1147, Unknown=0, NotChecked=0, Total=1406 [2018-01-23 14:50:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-01-23 14:50:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 218. [2018-01-23 14:50:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-01-23 14:50:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 235 transitions. [2018-01-23 14:50:15,378 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 235 transitions. Word has length 57 [2018-01-23 14:50:15,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:15,379 INFO L432 AbstractCegarLoop]: Abstraction has 218 states and 235 transitions. [2018-01-23 14:50:15,379 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-01-23 14:50:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 235 transitions. [2018-01-23 14:50:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-01-23 14:50:15,380 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:15,380 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:15,380 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:15,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1394886075, now seen corresponding path program 1 times [2018-01-23 14:50:15,380 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:15,381 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:15,381 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:15,382 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:50:15,382 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:15,420 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:50:16,180 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:50:16,180 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:50:16,186 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:16,228 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:50:16,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-01-23 14:50:16,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-01-23 14:50:16,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:16,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:16,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:50:16,850 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:71, output treesize:56 [2018-01-23 14:50:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:17,206 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:50:17,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14] total 35 [2018-01-23 14:50:17,206 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-01-23 14:50:17,207 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-01-23 14:50:17,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1079, Unknown=9, NotChecked=0, Total=1190 [2018-01-23 14:50:17,207 INFO L87 Difference]: Start difference. First operand 218 states and 235 transitions. Second operand 35 states. [2018-01-23 14:50:22,447 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 81 DAG size of output 59 [2018-01-23 14:50:23,626 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 103 DAG size of output 92 [2018-01-23 14:50:24,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:24,159 INFO L93 Difference]: Finished difference Result 451 states and 487 transitions. [2018-01-23 14:50:24,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-01-23 14:50:24,160 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 83 [2018-01-23 14:50:24,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:24,161 INFO L225 Difference]: With dead ends: 451 [2018-01-23 14:50:24,161 INFO L226 Difference]: Without dead ends: 393 [2018-01-23 14:50:24,164 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1601 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=819, Invalid=6338, Unknown=153, NotChecked=0, Total=7310 [2018-01-23 14:50:24,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-01-23 14:50:24,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 265. [2018-01-23 14:50:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-01-23 14:50:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 284 transitions. [2018-01-23 14:50:24,177 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 284 transitions. Word has length 83 [2018-01-23 14:50:24,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:24,178 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 284 transitions. [2018-01-23 14:50:24,178 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-01-23 14:50:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 284 transitions. [2018-01-23 14:50:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-01-23 14:50:24,179 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:24,179 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:24,179 INFO L371 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:24,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1028761691, now seen corresponding path program 1 times [2018-01-23 14:50:24,179 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:24,180 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:24,180 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:24,181 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:24,181 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:24,192 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-23 14:50:24,315 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:50:24,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:50:24,315 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:50:24,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:50:24,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:50:24,315 INFO L87 Difference]: Start difference. First operand 265 states and 284 transitions. Second operand 5 states. [2018-01-23 14:50:24,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:24,392 INFO L93 Difference]: Finished difference Result 290 states and 310 transitions. [2018-01-23 14:50:24,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:50:24,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2018-01-23 14:50:24,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:24,394 INFO L225 Difference]: With dead ends: 290 [2018-01-23 14:50:24,394 INFO L226 Difference]: Without dead ends: 231 [2018-01-23 14:50:24,395 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:50:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-01-23 14:50:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 219. [2018-01-23 14:50:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-01-23 14:50:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 231 transitions. [2018-01-23 14:50:24,405 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 231 transitions. Word has length 85 [2018-01-23 14:50:24,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:24,405 INFO L432 AbstractCegarLoop]: Abstraction has 219 states and 231 transitions. [2018-01-23 14:50:24,405 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:50:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 231 transitions. [2018-01-23 14:50:24,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-01-23 14:50:24,406 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:24,407 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:24,407 INFO L371 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1370338758, now seen corresponding path program 1 times [2018-01-23 14:50:24,407 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:24,407 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:24,408 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:24,409 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:24,409 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:24,423 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-23 14:50:25,969 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:50:25,970 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:50:25,975 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:26,015 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:50:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-01-23 14:50:27,251 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:50:27,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13] total 34 [2018-01-23 14:50:27,252 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-01-23 14:50:27,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-01-23 14:50:27,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1016, Unknown=8, NotChecked=0, Total=1122 [2018-01-23 14:50:27,252 INFO L87 Difference]: Start difference. First operand 219 states and 231 transitions. Second operand 34 states. [2018-01-23 14:50:28,221 WARN L146 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 94 DAG size of output 44 [2018-01-23 14:50:28,581 WARN L146 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 112 DAG size of output 50 [2018-01-23 14:50:28,864 WARN L146 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 126 DAG size of output 67 [2018-01-23 14:50:29,131 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 126 DAG size of output 61 [2018-01-23 14:50:29,408 WARN L146 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 128 DAG size of output 63 [2018-01-23 14:50:29,697 WARN L146 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 136 DAG size of output 65 [2018-01-23 14:50:30,435 WARN L146 SmtUtils]: Spent 238ms on a formula simplification. DAG size of input: 102 DAG size of output 79 [2018-01-23 14:50:30,836 WARN L146 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 72 DAG size of output 58 [2018-01-23 14:50:31,361 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 116 DAG size of output 51 [2018-01-23 14:50:31,741 WARN L146 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 123 DAG size of output 52 [2018-01-23 14:50:32,226 WARN L146 SmtUtils]: Spent 206ms on a formula simplification. DAG size of input: 81 DAG size of output 62 [2018-01-23 14:50:32,568 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 105 DAG size of output 48 [2018-01-23 14:50:32,965 WARN L146 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 129 DAG size of output 58 [2018-01-23 14:50:33,300 WARN L146 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 133 DAG size of output 62 [2018-01-23 14:50:33,543 WARN L146 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 113 DAG size of output 52 [2018-01-23 14:50:33,798 WARN L146 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 112 DAG size of output 71 [2018-01-23 14:50:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:50:35,469 INFO L93 Difference]: Finished difference Result 298 states and 315 transitions. [2018-01-23 14:50:35,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-01-23 14:50:35,469 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 88 [2018-01-23 14:50:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:50:35,470 INFO L225 Difference]: With dead ends: 298 [2018-01-23 14:50:35,470 INFO L226 Difference]: Without dead ends: 293 [2018-01-23 14:50:35,471 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 78 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=599, Invalid=3549, Unknown=142, NotChecked=0, Total=4290 [2018-01-23 14:50:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-01-23 14:50:35,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 262. [2018-01-23 14:50:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-01-23 14:50:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 277 transitions. [2018-01-23 14:50:35,489 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 277 transitions. Word has length 88 [2018-01-23 14:50:35,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:50:35,490 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 277 transitions. [2018-01-23 14:50:35,490 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-01-23 14:50:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 277 transitions. [2018-01-23 14:50:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-01-23 14:50:35,492 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:50:35,492 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:50:35,492 INFO L371 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:50:35,492 INFO L82 PathProgramCache]: Analyzing trace with hash 658514003, now seen corresponding path program 1 times [2018-01-23 14:50:35,492 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:50:35,493 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:50:35,494 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:35,494 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:35,494 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:50:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:35,514 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:50:36,309 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 25 DAG size of output 24 [2018-01-23 14:50:36,465 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-01-23 14:50:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:50:37,658 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:50:37,658 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:50:37,670 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:50:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:50:37,707 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:50:37,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:50:37,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:37,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,733 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-01-23 14:50:37,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-01-23 14:50:37,766 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:37,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-01-23 14:50:37,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,776 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-01-23 14:50:37,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2018-01-23 14:50:37,816 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:37,817 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:37,817 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:37,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2018-01-23 14:50:37,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,829 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:24 [2018-01-23 14:50:37,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-23 14:50:37,832 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,839 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2018-01-23 14:50:37,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2018-01-23 14:50:37,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-01-23 14:50:37,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:37,960 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:37,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 46 [2018-01-23 14:50:37,972 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-01-23 14:50:37,998 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-23 14:50:38,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-23 14:50:38,017 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:40, output treesize:107 [2018-01-23 14:50:38,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-01-23 14:50:38,085 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,085 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 42 [2018-01-23 14:50:38,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,098 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,142 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2018-01-23 14:50:38,145 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,146 INFO L682 Elim1Store]: detected equality via solver [2018-01-23 14:50:38,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 37 [2018-01-23 14:50:38,147 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,163 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2018-01-23 14:50:38,222 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 55 [2018-01-23 14:50:38,223 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,253 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,254 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,254 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 87 [2018-01-23 14:50:38,262 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-01-23 14:50:38,300 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:50:38,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-23 14:50:38,340 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:146, output treesize:173 [2018-01-23 14:50:38,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2018-01-23 14:50:38,428 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,429 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,430 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2018-01-23 14:50:38,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2018-01-23 14:50:38,537 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,537 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,538 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,539 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,540 INFO L682 Elim1Store]: detected equality via solver [2018-01-23 14:50:38,541 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 66 [2018-01-23 14:50:38,552 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,581 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 70 [2018-01-23 14:50:38,664 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,665 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,666 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,666 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,667 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,668 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,669 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,670 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,671 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,672 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 129 [2018-01-23 14:50:38,683 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-01-23 14:50:38,759 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,760 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,761 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 65 [2018-01-23 14:50:38,763 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,793 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:50:38,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2018-01-23 14:50:38,864 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,865 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,868 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,870 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,871 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,872 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,873 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:38,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 82 [2018-01-23 14:50:38,878 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,898 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:38,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-01-23 14:50:38,950 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:249, output treesize:236 [2018-01-23 14:50:39,158 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,159 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-01-23 14:50:39,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:39,233 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,233 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2018-01-23 14:50:39,234 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:39,306 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,307 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2018-01-23 14:50:39,308 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:39,379 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,380 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-01-23 14:50:39,380 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:39,448 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,450 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-01-23 14:50:39,451 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:39,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-23 14:50:39,518 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:289, output treesize:259 [2018-01-23 14:50:39,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2018-01-23 14:50:39,646 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,649 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:39,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 81 [2018-01-23 14:50:39,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 8 xjuncts. [2018-01-23 14:50:39,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-23 14:50:40,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2018-01-23 14:50:40,074 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:40,077 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:40,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 48 [2018-01-23 14:50:40,089 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-01-23 14:50:40,126 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-23 14:50:40,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2018-01-23 14:50:40,455 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:40,457 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:40,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 44 [2018-01-23 14:50:40,468 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-01-23 14:50:40,502 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-23 14:50:40,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2018-01-23 14:50:40,816 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:40,821 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:40,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 77 [2018-01-23 14:50:40,852 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-01-23 14:50:40,919 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-23 14:50:41,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2018-01-23 14:50:41,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,242 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,253 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2018-01-23 14:50:41,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,259 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,272 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2018-01-23 14:50:41,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,277 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,288 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2018-01-23 14:50:41,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,294 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,306 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 61 [2018-01-23 14:50:41,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,312 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,325 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-01-23 14:50:41,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,330 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,341 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2018-01-23 14:50:41,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,346 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,357 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2018-01-23 14:50:41,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,362 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,374 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-01-23 14:50:41,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 9 [2018-01-23 14:50:41,381 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,394 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-01-23 14:50:41,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,400 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,413 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 61 [2018-01-23 14:50:41,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 9 [2018-01-23 14:50:41,422 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,436 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 61 [2018-01-23 14:50:41,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,443 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,456 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2018-01-23 14:50:41,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,461 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,476 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2018-01-23 14:50:41,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,481 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,492 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-01-23 14:50:41,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:50:41,497 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,510 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:50:41,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 71 [2018-01-23 14:50:41,821 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,821 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,822 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,823 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,824 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,825 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,827 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,828 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:41,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 57 treesize of output 131 [2018-01-23 14:50:41,853 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 16 xjuncts. [2018-01-23 14:50:42,077 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:42,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 81 [2018-01-23 14:50:42,091 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2018-01-23 14:50:42,231 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-01-23 14:50:42,566 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 19 xjuncts. [2018-01-23 14:50:42,567 INFO L202 ElimStorePlain]: Needed 42 recursive calls to eliminate 7 variables, input treesize:354, output treesize:1019 [2018-01-23 14:50:42,950 WARN L143 SmtUtils]: Spent 294ms on a formula simplification that was a NOOP. DAG size: 95 [2018-01-23 14:50:43,361 WARN L143 SmtUtils]: Spent 311ms on a formula simplification that was a NOOP. DAG size: 98 [2018-01-23 14:50:43,386 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:50:43,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 89 [2018-01-23 14:50:43,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:50:43,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:50:43,410 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. Received shutdown request... [2018-01-23 14:51:07,365 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-23 14:51:07,365 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-23 14:51:07,368 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:51:07,368 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:51:07,368 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:51:07,368 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:51:07,369 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:51:07,369 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:51:07,369 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:51:07,369 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:51:07,369 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:51:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-01-23 14:51:07,371 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-23 14:51:07,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:51:07 BoogieIcfgContainer [2018-01-23 14:51:07,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:51:07,373 INFO L168 Benchmark]: Toolchain (without parser) took 59362.04 ms. Allocated memory was 298.8 MB in the beginning and 694.7 MB in the end (delta: 395.8 MB). Free memory was 257.2 MB in the beginning and 627.7 MB in the end (delta: -370.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-01-23 14:51:07,374 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 298.8 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:51:07,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.76 ms. Allocated memory is still 298.8 MB. Free memory was 256.2 MB in the beginning and 244.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:51:07,375 INFO L168 Benchmark]: Boogie Preprocessor took 41.40 ms. Allocated memory is still 298.8 MB. Free memory was 244.2 MB in the beginning and 242.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:51:07,375 INFO L168 Benchmark]: RCFGBuilder took 416.88 ms. Allocated memory is still 298.8 MB. Free memory was 242.2 MB in the beginning and 213.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:51:07,376 INFO L168 Benchmark]: TraceAbstraction took 58669.55 ms. Allocated memory was 298.8 MB in the beginning and 694.7 MB in the end (delta: 395.8 MB). Free memory was 212.3 MB in the beginning and 627.7 MB in the end (delta: -415.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:51:07,377 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 298.8 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 226.76 ms. Allocated memory is still 298.8 MB. Free memory was 256.2 MB in the beginning and 244.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.40 ms. Allocated memory is still 298.8 MB. Free memory was 244.2 MB in the beginning and 242.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 416.88 ms. Allocated memory is still 298.8 MB. Free memory was 242.2 MB in the beginning and 213.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 58669.55 ms. Allocated memory was 298.8 MB in the beginning and 694.7 MB in the end (delta: 395.8 MB). Free memory was 212.3 MB in the beginning and 627.7 MB in the end (delta: -415.4 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 3 procedures, 96 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1). Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 507. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 3 procedures, 96 locations, 3 error locations. TIMEOUT Result, 58.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 19.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 708 SDtfs, 5198 SDslu, 5709 SDs, 0 SdLazy, 6036 SolverSat, 553 SolverUnsat, 624 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 571 GetRequests, 297 SyntacticMatches, 16 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2806 ImplicationChecksByTransitivity, 16.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 414 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 843 NumberOfCodeBlocks, 843 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 829 ConstructedInterpolants, 145 QuantifiedInterpolants, 1741785 SizeOfPredicates, 51 NumberOfNonLiveVariables, 936 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 47/117 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 985]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 985). Cancelled while IsEmpty was searching accepting run (input had 96 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 3 procedures, 96 locations, 3 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-51-07-384.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-51-07-384.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-51-07-384.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-51-07-384.csv Completed graceful shutdown