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/reducercommutativity/sep_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d63d1fb [2018-01-27 23:06:49,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-27 23:06:49,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-27 23:06:49,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-27 23:06:49,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-27 23:06:49,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-27 23:06:49,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-27 23:06:49,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-27 23:06:49,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-27 23:06:49,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-27 23:06:49,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-27 23:06:49,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-27 23:06:49,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-27 23:06:49,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-27 23:06:49,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-27 23:06:49,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-27 23:06:49,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-27 23:06:49,936 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-27 23:06:49,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-27 23:06:49,942 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-27 23:06:49,944 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-27 23:06:49,949 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-27 23:06:49,949 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-27 23:06:49,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-27 23:06:49,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-27 23:06:49,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-27 23:06:49,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-27 23:06:49,953 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-27 23:06:49,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-27 23:06:49,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-27 23:06:49,956 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-27 23:06:49,956 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 [2018-01-27 23:06:49,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-27 23:06:49,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-27 23:06:49,980 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-27 23:06:49,980 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-27 23:06:49,980 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-27 23:06:49,980 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-27 23:06:49,981 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-27 23:06:49,981 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-27 23:06:49,981 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-27 23:06:49,981 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-27 23:06:49,982 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-27 23:06:49,982 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-27 23:06:49,982 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-27 23:06:49,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-27 23:06:49,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-27 23:06:49,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-27 23:06:49,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-27 23:06:49,983 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-27 23:06:49,983 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-27 23:06:49,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-27 23:06:49,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-27 23:06:49,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-27 23:06:49,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-27 23:06:49,984 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-27 23:06:49,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-27 23:06:49,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-27 23:06:49,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-27 23:06:49,985 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-27 23:06:49,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-27 23:06:49,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-27 23:06:49,986 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-27 23:06:49,987 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-27 23:06:49,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-27 23:06:49,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-27 23:06:49,988 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-27 23:06:49,989 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-27 23:06:49,989 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-27 23:06:50,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-27 23:06:50,044 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-27 23:06:50,048 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-27 23:06:50,050 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-27 23:06:50,050 INFO L276 PluginConnector]: CDTParser initialized [2018-01-27 23:06:50,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep_true-unreach-call_true-termination.i [2018-01-27 23:06:50,173 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-27 23:06:50,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-27 23:06:50,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-27 23:06:50,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-27 23:06:50,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-27 23:06:50,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563b4aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50, skipping insertion in model container [2018-01-27 23:06:50,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,211 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-27 23:06:50,234 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-27 23:06:50,422 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-27 23:06:50,447 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-27 23:06:50,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50 WrapperNode [2018-01-27 23:06:50,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-27 23:06:50,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-27 23:06:50,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-27 23:06:50,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-27 23:06:50,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (1/1) ... [2018-01-27 23:06:50,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-27 23:06:50,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-27 23:06:50,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-27 23:06:50,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-27 23:06:50,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (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 [2018-01-27 23:06:50,582 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-27 23:06:50,583 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-27 23:06:50,583 INFO L136 BoogieDeclarations]: Found implementation of procedure sep [2018-01-27 23:06:50,586 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-27 23:06:50,587 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-27 23:06:50,587 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-27 23:06:50,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-27 23:06:50,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-27 23:06:50,587 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-27 23:06:50,587 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-27 23:06:50,588 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-27 23:06:50,588 INFO L128 BoogieDeclarations]: Found specification of procedure sep [2018-01-27 23:06:50,588 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-27 23:06:50,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-27 23:06:50,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-27 23:06:51,082 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-27 23:06:51,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:06:51 BoogieIcfgContainer [2018-01-27 23:06:51,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-27 23:06:51,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-27 23:06:51,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-27 23:06:51,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-27 23:06:51,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:06:50" (1/3) ... [2018-01-27 23:06:51,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd73a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:06:51, skipping insertion in model container [2018-01-27 23:06:51,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:50" (2/3) ... [2018-01-27 23:06:51,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd73a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:06:51, skipping insertion in model container [2018-01-27 23:06:51,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:06:51" (3/3) ... [2018-01-27 23:06:51,089 INFO L105 eAbstractionObserver]: Analyzing ICFG sep_true-unreach-call_true-termination.i [2018-01-27 23:06:51,097 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-27 23:06:51,103 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-27 23:06:51,150 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:06:51,150 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:06:51,150 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:06:51,150 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:06:51,150 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:06:51,151 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:06:51,151 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:06:51,151 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-27 23:06:51,152 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:06:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-27 23:06:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-27 23:06:51,180 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:51,181 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-27 23:06:51,181 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-27 23:06:51,191 INFO L82 PathProgramCache]: Analyzing trace with hash 109556, now seen corresponding path program 1 times [2018-01-27 23:06:51,193 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:51,194 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:51,252 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,252 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:51,252 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:06:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:06:51,332 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-27 23:06:51,342 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:06:51,359 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:06:51,360 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:06:51,360 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:06:51,360 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:06:51,360 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:06:51,360 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:06:51,360 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:06:51,360 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-27 23:06:51,360 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:06:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-27 23:06:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-27 23:06:51,365 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:51,365 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:06:51,365 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-27 23:06:51,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1753897612, now seen corresponding path program 1 times [2018-01-27 23:06:51,366 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:51,366 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:51,367 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,367 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:51,368 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:06:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:06:51,415 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-27 23:06:51,418 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:06:51,420 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:06:51,421 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:06:51,426 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:06:51,426 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:06:51,426 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:06:51,426 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:06:51,426 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:06:51,426 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:06:51,426 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:06:51,427 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-27 23:06:51,427 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:06:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-27 23:06:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-27 23:06:51,432 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:51,432 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:06:51,433 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-27 23:06:51,433 INFO L82 PathProgramCache]: Analyzing trace with hash -815231995, now seen corresponding path program 1 times [2018-01-27 23:06:51,436 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:51,436 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:51,437 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,438 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:51,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:51,468 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:06:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-27 23:06:51,573 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:06:51,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-27 23:06:51,575 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-27 23:06:51,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-27 23:06:51,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-27 23:06:51,590 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 3 states. [2018-01-27 23:06:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:06:51,767 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2018-01-27 23:06:51,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-27 23:06:51,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-01-27 23:06:51,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:06:51,876 INFO L225 Difference]: With dead ends: 92 [2018-01-27 23:06:51,877 INFO L226 Difference]: Without dead ends: 45 [2018-01-27 23:06:51,881 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-27 23:06:51,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-01-27 23:06:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-01-27 23:06:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-01-27 23:06:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2018-01-27 23:06:51,937 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 9 [2018-01-27 23:06:51,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:06:51,938 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2018-01-27 23:06:51,938 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-27 23:06:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2018-01-27 23:06:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-27 23:06:51,942 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:51,942 INFO L330 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:06:51,942 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-27 23:06:51,942 INFO L82 PathProgramCache]: Analyzing trace with hash -619141707, now seen corresponding path program 1 times [2018-01-27 23:06:51,943 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:51,943 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:51,944 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:51,944 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:51,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:52,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:06:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-01-27 23:06:52,266 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-27 23:06:52,266 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) [2018-01-27 23:06:52,282 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-27 23:06:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:52,365 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-27 23:06:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-01-27 23:06:52,472 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-27 23:06:52,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2018-01-27 23:06:52,474 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-27 23:06:52,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-27 23:06:52,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-27 23:06:52,474 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 6 states. [2018-01-27 23:06:52,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:06:52,598 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2018-01-27 23:06:52,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-27 23:06:52,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-27 23:06:52,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:06:52,600 INFO L225 Difference]: With dead ends: 85 [2018-01-27 23:06:52,600 INFO L226 Difference]: Without dead ends: 50 [2018-01-27 23:06:52,602 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-27 23:06:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-01-27 23:06:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2018-01-27 23:06:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-27 23:06:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2018-01-27 23:06:52,610 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 49 [2018-01-27 23:06:52,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:06:52,611 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2018-01-27 23:06:52,611 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-27 23:06:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2018-01-27 23:06:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-01-27 23:06:52,615 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:52,615 INFO L330 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:06:52,616 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-27 23:06:52,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1979502981, now seen corresponding path program 1 times [2018-01-27 23:06:52,616 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:52,616 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:52,617 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:52,617 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:52,617 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:52,658 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:06:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-01-27 23:06:52,859 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-27 23:06:52,859 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 [2018-01-27 23:06:52,873 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:52,924 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-27 23:06:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-01-27 23:06:53,120 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-27 23:06:53,121 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2018-01-27 23:06:53,121 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-27 23:06:53,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-27 23:06:53,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-01-27 23:06:53,122 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 8 states. [2018-01-27 23:06:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:06:53,532 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2018-01-27 23:06:53,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-27 23:06:53,533 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-01-27 23:06:53,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:06:53,535 INFO L225 Difference]: With dead ends: 92 [2018-01-27 23:06:53,535 INFO L226 Difference]: Without dead ends: 55 [2018-01-27 23:06:53,536 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-01-27 23:06:53,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-01-27 23:06:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2018-01-27 23:06:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-27 23:06:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-01-27 23:06:53,549 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 64 [2018-01-27 23:06:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:06:53,550 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-01-27 23:06:53,550 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-27 23:06:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-01-27 23:06:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-01-27 23:06:53,552 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:53,553 INFO L330 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:06:53,553 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation]=== [2018-01-27 23:06:53,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1778690357, now seen corresponding path program 2 times [2018-01-27 23:06:53,553 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:53,553 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:53,555 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:53,555 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:53,555 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:53,598 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:06:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-01-27 23:06:53,728 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:06:53,729 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-27 23:06:53,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-27 23:06:53,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-27 23:06:53,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-27 23:06:53,729 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 4 states. [2018-01-27 23:06:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:06:53,900 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2018-01-27 23:06:53,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-27 23:06:53,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2018-01-27 23:06:53,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:06:53,905 INFO L225 Difference]: With dead ends: 83 [2018-01-27 23:06:53,905 INFO L226 Difference]: Without dead ends: 58 [2018-01-27 23:06:53,905 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-27 23:06:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-01-27 23:06:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2018-01-27 23:06:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-01-27 23:06:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-01-27 23:06:53,916 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 79 [2018-01-27 23:06:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:06:53,919 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-01-27 23:06:53,919 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-27 23:06:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-01-27 23:06:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-01-27 23:06:53,922 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:53,923 INFO L330 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 3, 3, 3, 3, 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] [2018-01-27 23:06:53,923 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation]=== [2018-01-27 23:06:53,923 INFO L82 PathProgramCache]: Analyzing trace with hash -208037955, now seen corresponding path program 1 times [2018-01-27 23:06:53,923 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:53,923 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:53,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:53,924 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-27 23:06:53,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:54,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:06:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-01-27 23:06:54,317 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:06:54,317 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-27 23:06:54,317 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-27 23:06:54,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-27 23:06:54,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-27 23:06:54,318 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 4 states. [2018-01-27 23:06:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:06:54,475 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2018-01-27 23:06:54,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-27 23:06:54,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-01-27 23:06:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:06:54,476 INFO L225 Difference]: With dead ends: 54 [2018-01-27 23:06:54,476 INFO L226 Difference]: Without dead ends: 0 [2018-01-27 23:06:54,477 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-27 23:06:54,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-27 23:06:54,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-27 23:06:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-27 23:06:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-27 23:06:54,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2018-01-27 23:06:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:06:54,478 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-27 23:06:54,478 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-27 23:06:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-27 23:06:54,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-27 23:06:54,481 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:06:54,482 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:06:54,482 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:06:54,482 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:06:54,482 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:06:54,482 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:06:54,482 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:06:54,482 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == sepErr0EnsuresViolation======== [2018-01-27 23:06:54,483 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:06:54,484 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-27 23:06:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-27 23:06:54,485 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:06:54,485 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:06:54,485 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sepErr0EnsuresViolation]=== [2018-01-27 23:06:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash 265428820, now seen corresponding path program 1 times [2018-01-27 23:06:54,485 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:06:54,485 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:06:54,486 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:54,486 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:06:54,486 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:06:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:06:54,492 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:06:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-27 23:06:54,499 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:06:54,499 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-27 23:06:54,500 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-27 23:06:54,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-27 23:06:54,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-27 23:06:54,500 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2018-01-27 23:06:54,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:06:54,505 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2018-01-27 23:06:54,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-27 23:06:54,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-01-27 23:06:54,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:06:54,505 INFO L225 Difference]: With dead ends: 90 [2018-01-27 23:06:54,506 INFO L226 Difference]: Without dead ends: 0 [2018-01-27 23:06:54,507 INFO L533 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 [2018-01-27 23:06:54,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-27 23:06:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-27 23:06:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-27 23:06:54,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-27 23:06:54,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-27 23:06:54,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:06:54,508 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-27 23:06:54,508 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-27 23:06:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-27 23:06:54,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-27 23:06:54,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:06:54 BoogieIcfgContainer [2018-01-27 23:06:54,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-27 23:06:54,512 INFO L168 Benchmark]: Toolchain (without parser) took 4338.27 ms. Allocated memory was 305.7 MB in the beginning and 477.6 MB in the end (delta: 172.0 MB). Free memory was 266.4 MB in the beginning and 400.1 MB in the end (delta: -133.7 MB). Peak memory consumption was 38.3 MB. Max. memory is 5.3 GB. [2018-01-27 23:06:54,513 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 305.7 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-27 23:06:54,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.15 ms. Allocated memory is still 305.7 MB. Free memory was 265.4 MB in the beginning and 257.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-27 23:06:54,514 INFO L168 Benchmark]: Boogie Preprocessor took 51.40 ms. Allocated memory is still 305.7 MB. Free memory was 257.4 MB in the beginning and 255.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-27 23:06:54,514 INFO L168 Benchmark]: RCFGBuilder took 572.43 ms. Allocated memory is still 305.7 MB. Free memory was 255.4 MB in the beginning and 237.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 5.3 GB. [2018-01-27 23:06:54,515 INFO L168 Benchmark]: TraceAbstraction took 3427.62 ms. Allocated memory was 305.7 MB in the beginning and 477.6 MB in the end (delta: 172.0 MB). Free memory was 237.3 MB in the beginning and 400.1 MB in the end (delta: -162.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-01-27 23:06:54,516 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 305.7 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 278.15 ms. Allocated memory is still 305.7 MB. Free memory was 265.4 MB in the beginning and 257.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.40 ms. Allocated memory is still 305.7 MB. Free memory was 257.4 MB in the beginning and 255.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 572.43 ms. Allocated memory is still 305.7 MB. Free memory was 255.4 MB in the beginning and 237.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3427.62 ms. Allocated memory was 305.7 MB in the beginning and 477.6 MB in the end (delta: 172.0 MB). Free memory was 237.3 MB in the beginning and 400.1 MB in the end (delta: -162.8 MB). Peak memory consumption was 9.2 MB. 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) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - 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: [L4] int N; VAL [\old(N)=2, N=0] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 4 procedures, 51 locations, 4 error locations. UNSAFE Result, 0.2s 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=51occurred 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, 0.0s DumpTime, 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, ReuseStatistics: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L4] int N; VAL [\old(N)=0, N=0] [L22] N = __VERIFIER_nondet_int() [L23] COND FALSE !(N > 1) VAL [\old(N)=0, N=0] [L45] return 1; VAL [N=0] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 51 locations, 4 error locations. UNSAFE Result, 0.0s 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=51occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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, ReuseStatistics: No data available - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 51 locations, 4 error locations. SAFE Result, 3.0s OverallTime, 5 OverallIterations, 9 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 208 SDtfs, 183 SDslu, 281 SDs, 0 SdLazy, 186 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=4, 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 392 ConstructedInterpolants, 0 QuantifiedInterpolants, 58466 SizeOfPredicates, 2 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 356/398 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: sepErr0EnsuresViolation CFG has 4 procedures, 51 locations, 4 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: 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/sep_true-unreach-call_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-27_23-06-54-527.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sep_true-unreach-call_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-27_23-06-54-527.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sep_true-unreach-call_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-27_23-06-54-527.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sep_true-unreach-call_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-27_23-06-54-527.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sep_true-unreach-call_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-27_23-06-54-527.csv Received shutdown request...