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_Taipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 23:24:12,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 23:24:12,009 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 23:24:12,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 23:24:12,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 23:24:12,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 23:24:12,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 23:24:12,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 23:24:12,029 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 23:24:12,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 23:24:12,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 23:24:12,032 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 23:24:12,033 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 23:24:12,034 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 23:24:12,035 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 23:24:12,038 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 23:24:12,040 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 23:24:12,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 23:24:12,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 23:24:12,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 23:24:12,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 23:24:12,053 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ.epf [2018-01-20 23:24:12,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 23:24:12,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 23:24:12,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 23:24:12,065 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 23:24:12,065 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 23:24:12,065 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 23:24:12,065 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 23:24:12,066 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 23:24:12,066 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 23:24:12,066 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 23:24:12,067 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 23:24:12,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 23:24:12,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 23:24:12,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 23:24:12,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 23:24:12,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 23:24:12,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 23:24:12,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 23:24:12,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 23:24:12,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 23:24:12,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 23:24:12,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 23:24:12,069 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 23:24:12,069 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 23:24:12,069 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 23:24:12,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 23:24:12,070 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 23:24:12,070 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 23:24:12,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 23:24:12,071 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 23:24:12,071 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 23:24:12,071 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-20 23:24:12,071 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 23:24:12,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 23:24:12,072 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 23:24:12,072 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-20 23:24:12,073 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 23:24:12,073 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 23:24:12,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 23:24:12,123 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 23:24:12,127 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 23:24:12,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 23:24:12,130 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 23:24:12,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-01-20 23:24:12,319 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 23:24:12,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 23:24:12,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 23:24:12,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 23:24:12,334 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 23:24:12,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12061d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12, skipping insertion in model container [2018-01-20 23:24:12,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,357 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:24:12,393 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:24:12,518 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:24:12,538 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:24:12,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12 WrapperNode [2018-01-20 23:24:12,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 23:24:12,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 23:24:12,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 23:24:12,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 23:24:12,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (1/1) ... [2018-01-20 23:24:12,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 23:24:12,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 23:24:12,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 23:24:12,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 23:24:12,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (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 [2018-01-20 23:24:12,628 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 23:24:12,629 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 23:24:12,629 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-01-20 23:24:12,629 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 23:24:12,629 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-20 23:24:12,629 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-20 23:24:12,629 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 23:24:12,629 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 23:24:12,629 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 23:24:12,630 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 23:24:12,630 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-01-20 23:24:12,630 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 23:24:12,630 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 23:24:12,630 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 23:24:12,831 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 23:24:12,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:24:12 BoogieIcfgContainer [2018-01-20 23:24:12,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 23:24:12,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 23:24:12,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 23:24:12,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 23:24:12,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:24:12" (1/3) ... [2018-01-20 23:24:12,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b404b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:24:12, skipping insertion in model container [2018-01-20 23:24:12,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:24:12" (2/3) ... [2018-01-20 23:24:12,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b404b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:24:12, skipping insertion in model container [2018-01-20 23:24:12,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:24:12" (3/3) ... [2018-01-20 23:24:12,839 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-01-20 23:24:12,847 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 23:24:12,854 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-20 23:24:12,893 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:24:12,893 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:24:12,893 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:24:12,893 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:24:12,893 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:24:12,893 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:24:12,893 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:24:12,893 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 23:24:12,894 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:24:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-01-20 23:24:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 23:24:12,915 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:12,916 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 23:24:12,916 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 23:24:12,919 INFO L82 PathProgramCache]: Analyzing trace with hash 98985, now seen corresponding path program 1 times [2018-01-20 23:24:12,921 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:12,959 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:12,959 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:12,959 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:12,959 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:24:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:24:13,011 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 23:24:13,017 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:24:13,023 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:24:13,023 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:24:13,023 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:24:13,024 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:24:13,024 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:24:13,024 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:24:13,024 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:24:13,024 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrcmpErr0EnsuresViolation======== [2018-01-20 23:24:13,024 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:24:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-01-20 23:24:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-20 23:24:13,028 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:13,028 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] [2018-01-20 23:24:13,028 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0EnsuresViolation]=== [2018-01-20 23:24:13,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1621624204, now seen corresponding path program 1 times [2018-01-20 23:24:13,029 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:13,030 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:13,030 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:13,030 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:13,031 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:24:13,068 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:24:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:24:13,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:24:13,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:24:13,120 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:24:13,121 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:24:13,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:24:13,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:24:13,135 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-01-20 23:24:13,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:24:13,237 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-01-20 23:24:13,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:24:13,239 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-01-20 23:24:13,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:24:13,246 INFO L225 Difference]: With dead ends: 64 [2018-01-20 23:24:13,246 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:24:13,248 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 [2018-01-20 23:24:13,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:24:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:24:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:24:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:24:13,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-01-20 23:24:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:24:13,269 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:24:13,269 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:24:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:24:13,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:24:13,271 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:24:13,271 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:24:13,271 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:24:13,272 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:24:13,272 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:24:13,272 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:24:13,272 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:24:13,272 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 23:24:13,272 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:24:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-01-20 23:24:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-20 23:24:13,274 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:13,275 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] [2018-01-20 23:24:13,275 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:24:13,275 INFO L82 PathProgramCache]: Analyzing trace with hash 29258502, now seen corresponding path program 1 times [2018-01-20 23:24:13,275 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:13,276 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:13,276 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:13,276 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:13,276 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:24:13,295 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:24:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:24:13,326 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:24:13,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:24:13,327 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:24:13,327 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:24:13,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:24:13,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:24:13,328 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-01-20 23:24:13,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:24:13,333 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-01-20 23:24:13,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:24:13,334 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2018-01-20 23:24:13,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:24:13,337 INFO L225 Difference]: With dead ends: 64 [2018-01-20 23:24:13,337 INFO L226 Difference]: Without dead ends: 41 [2018-01-20 23:24:13,338 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 [2018-01-20 23:24:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-20 23:24:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-01-20 23:24:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-20 23:24:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-01-20 23:24:13,349 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 33 [2018-01-20 23:24:13,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:24:13,350 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-01-20 23:24:13,350 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:24:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-01-20 23:24:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-20 23:24:13,351 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:13,352 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, 1, 1] [2018-01-20 23:24:13,352 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:24:13,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1608365208, now seen corresponding path program 1 times [2018-01-20 23:24:13,352 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:13,353 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:13,353 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:13,353 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:13,354 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:24:13,390 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:24:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:24:13,739 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:24:13,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-20 23:24:13,739 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:24:13,740 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-20 23:24:13,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-20 23:24:13,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-01-20 23:24:13,741 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 10 states. [2018-01-20 23:24:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:24:14,031 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2018-01-20 23:24:14,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-20 23:24:14,032 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2018-01-20 23:24:14,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:24:14,037 INFO L225 Difference]: With dead ends: 83 [2018-01-20 23:24:14,037 INFO L226 Difference]: Without dead ends: 74 [2018-01-20 23:24:14,038 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-01-20 23:24:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-01-20 23:24:14,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2018-01-20 23:24:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-01-20 23:24:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2018-01-20 23:24:14,058 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 37 [2018-01-20 23:24:14,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:24:14,059 INFO L432 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2018-01-20 23:24:14,059 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-20 23:24:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2018-01-20 23:24:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-20 23:24:14,062 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:14,062 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, 1, 1] [2018-01-20 23:24:14,062 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:24:14,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1866530646, now seen corresponding path program 1 times [2018-01-20 23:24:14,063 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:14,064 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:14,064 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:14,064 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:14,064 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:24:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:24:14,130 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 23:24:14,139 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:24:14,144 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:24:14,146 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:24:14,147 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:24:14,160 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:24:14,161 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:24:14,161 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:24:14,161 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:24:14,161 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:24:14,161 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:24:14,161 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:24:14,161 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 23:24:14,161 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:24:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-01-20 23:24:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-20 23:24:14,163 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:14,163 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] [2018-01-20 23:24:14,163 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 23:24:14,163 INFO L82 PathProgramCache]: Analyzing trace with hash 996677382, now seen corresponding path program 1 times [2018-01-20 23:24:14,163 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:14,164 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:14,165 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:14,165 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:14,165 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:24:14,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:24:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:24:14,191 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:24:14,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:24:14,192 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:24:14,192 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:24:14,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:24:14,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:24:14,193 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-01-20 23:24:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:24:14,197 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-01-20 23:24:14,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:24:14,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-01-20 23:24:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:24:14,199 INFO L225 Difference]: With dead ends: 64 [2018-01-20 23:24:14,199 INFO L226 Difference]: Without dead ends: 39 [2018-01-20 23:24:14,199 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 [2018-01-20 23:24:14,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-20 23:24:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-01-20 23:24:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-01-20 23:24:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-01-20 23:24:14,205 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 31 [2018-01-20 23:24:14,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:24:14,205 INFO L432 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-01-20 23:24:14,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:24:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-01-20 23:24:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-20 23:24:14,207 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:24:14,207 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] [2018-01-20 23:24:14,207 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-20 23:24:14,207 INFO L82 PathProgramCache]: Analyzing trace with hash -248605416, now seen corresponding path program 1 times [2018-01-20 23:24:14,208 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:24:14,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:14,209 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:24:14,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:24:14,209 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:24:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:24:14,227 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:24:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:24:14,544 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:24:14,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-20 23:24:14,544 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:24:14,545 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-20 23:24:14,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-20 23:24:14,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-20 23:24:14,546 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 9 states. [2018-01-20 23:24:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:24:14,791 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-01-20 23:24:14,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-20 23:24:14,791 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-01-20 23:24:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:24:14,792 INFO L225 Difference]: With dead ends: 39 [2018-01-20 23:24:14,792 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:24:14,793 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-01-20 23:24:14,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:24:14,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:24:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:24:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:24:14,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-01-20 23:24:14,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:24:14,794 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:24:14,794 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-20 23:24:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:24:14,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:24:14,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 11:24:14 BoogieIcfgContainer [2018-01-20 23:24:14,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 23:24:14,799 INFO L168 Benchmark]: Toolchain (without parser) took 2479.33 ms. Allocated memory was 302.5 MB in the beginning and 475.5 MB in the end (delta: 173.0 MB). Free memory was 260.8 MB in the beginning and 425.1 MB in the end (delta: -164.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 5.3 GB. [2018-01-20 23:24:14,800 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.5 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:24:14,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.24 ms. Allocated memory is still 302.5 MB. Free memory was 259.8 MB in the beginning and 249.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:24:14,801 INFO L168 Benchmark]: Boogie Preprocessor took 34.70 ms. Allocated memory is still 302.5 MB. Free memory was 249.8 MB in the beginning and 247.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:24:14,801 INFO L168 Benchmark]: RCFGBuilder took 249.60 ms. Allocated memory is still 302.5 MB. Free memory was 247.8 MB in the beginning and 231.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-20 23:24:14,802 INFO L168 Benchmark]: TraceAbstraction took 1965.65 ms. Allocated memory was 302.5 MB in the beginning and 475.5 MB in the end (delta: 173.0 MB). Free memory was 231.2 MB in the beginning and 425.1 MB in the end (delta: -193.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:24:14,803 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.5 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 221.24 ms. Allocated memory is still 302.5 MB. Free memory was 259.8 MB in the beginning and 249.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.70 ms. Allocated memory is still 302.5 MB. Free memory was 249.8 MB in the beginning and 247.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 249.60 ms. Allocated memory is still 302.5 MB. Free memory was 247.8 MB in the beginning and 231.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1965.65 ms. Allocated memory was 302.5 MB in the beginning and 475.5 MB in the end (delta: 173.0 MB). Free memory was 231.2 MB in the beginning and 425.1 MB in the end (delta: -193.9 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) - 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: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 4 procedures, 45 locations, 4 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=45occurred 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 - PositiveResult [Line: 540]: 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: cstrcmpErr0EnsuresViolation CFG has 4 procedures, 45 locations, 4 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 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=45occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L552] int length1 = __VERIFIER_nondet_int(); [L553] int length2 = __VERIFIER_nondet_int(); [L554] COND TRUE length1 < 1 [L555] length1 = 1 VAL [length1=1, length2=0] [L557] COND TRUE length2 < 1 [L558] length2 = 1 VAL [length1=1, length2=1] [L560] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, length1=1, length2=1] [L560] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, length1=1, length2=1, nondetString1={3:0}] [L561] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={4:0}, length1=1, length2=1, nondetString1={3:0}] [L561] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={4:0}, length1=1, length2=1, nondetString1={3:0}, nondetString2={4:0}] [L562] FCALL nondetString1[length1-1] = '\0' VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={4:0}, length1=1, length2=1, nondetString1={3:0}, nondetString2={4:0}] [L563] FCALL nondetString2[length2-1] = '\0' VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={4:0}, length1=1, length2=1, nondetString1={3:0}, nondetString2={4:0}] [L564] CALL, EXPR cstrcmp(nondetString1,nondetString2) VAL [s1={3:0}, s2={4:0}] [L542] unsigned char uc1, uc2; VAL [s1={3:0}, s1={3:0}, s2={4:0}, s2={4:0}] [L543] EXPR, FCALL \read(*s1) VAL [\read(*s1)=0, s1={3:0}, s1={3:0}, s2={4:0}, s2={4:0}] [L543] *s1 != '\0' && *s1 == *s2 VAL [*s1 != '\0' && *s1 == *s2=0, \read(*s1)=0, s1={3:0}, s1={3:0}, s2={4:0}, s2={4:0}] [L543] COND FALSE !(*s1 != '\0' && *s1 == *s2) [L547] EXPR, FCALL \read(*s1) VAL [\read(*s1)=0, s1={3:0}, s1={3:0}, s2={4:0}, s2={4:0}] [L547] uc1 = (*(unsigned char *) s1) [L548] EXPR, FCALL \read(*s2) VAL [\read(*s2)=0, s1={3:0}, s1={3:0}, s2={4:0}, s2={4:0}, uc1=0] [L548] uc2 = (*(unsigned char *) s2) [L549] COND FALSE, EXPR !((uc1 < uc2) ? -1 : (uc1 > uc2)) VAL [(uc1 < uc2) ? -1 : (uc1 > uc2)=0, s1={3:0}, s1={3:0}, s2={4:0}, s2={4:0}, uc1=0, uc2=0] [L549] RET return ((uc1 < uc2) ? -1 : (uc1 > uc2)); [L564] EXPR cstrcmp(nondetString1,nondetString2) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={4:0}, cstrcmp(nondetString1,nondetString2)=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={4:0}] [L564] return cstrcmp(nondetString1,nondetString2); - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 45 locations, 4 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 90 SDtfs, 47 SDslu, 218 SDs, 0 SdLazy, 104 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=2, 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 7000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 551]: 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, 45 locations, 4 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 80 SDtfs, 27 SDslu, 30 SDs, 0 SdLazy, 178 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 7938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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/cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_23-24-14-814.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_23-24-14-814.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_23-24-14-814.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_23-24-14-814.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_23-24-14-814.csv Received shutdown request...