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_imprecise.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/optional_data_creation_test04_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 00:40:46,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 00:40:46,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 00:40:46,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 00:40:46,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 00:40:46,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 00:40:46,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 00:40:46,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 00:40:46,646 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 00:40:46,647 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 00:40:46,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-01-21 00:40:46,668 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_imprecise.epf [2018-01-21 00:40:46,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 00:40:46,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 00:40:46,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 00:40:46,678 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 00:40:46,678 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 00:40:46,678 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-21 00:40:46,678 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 00:40:46,679 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 00:40:46,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 00:40:46,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 00:40:46,679 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 00:40:46,679 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 00:40:46,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 00:40:46,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 00:40:46,681 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 00:40:46,681 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 00:40:46,681 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 00:40:46,681 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:40:46,682 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 00:40:46,682 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 00:40:46,683 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 00:40:46,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 00:40:46,683 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 00:40:46,683 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 00:40:46,684 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 00:40:46,684 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 00:40:46,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 00:40:46,727 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 00:40:46,730 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 00:40:46,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 00:40:46,731 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 00:40:46,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/optional_data_creation_test04_false-valid-memtrack.i [2018-01-21 00:40:46,886 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 00:40:46,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 00:40:46,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 00:40:46,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 00:40:46,895 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 00:40:46,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:40:46" (1/1) ... [2018-01-21 00:40:46,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b75990c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:46, skipping insertion in model container [2018-01-21 00:40:46,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:40:46" (1/1) ... [2018-01-21 00:40:46,911 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:40:46,947 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:40:47,062 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:40:47,084 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:40:47,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47 WrapperNode [2018-01-21 00:40:47,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 00:40:47,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 00:40:47,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 00:40:47,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 00:40:47,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (1/1) ... [2018-01-21 00:40:47,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 00:40:47,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 00:40:47,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 00:40:47,136 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 00:40:47,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (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 [2018-01-21 00:40:47,190 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 00:40:47,190 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 00:40:47,190 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-21 00:40:47,190 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-21 00:40:47,190 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-21 00:40:47,191 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 00:40:47,191 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 00:40:47,191 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 00:40:47,191 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 00:40:47,191 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 00:40:47,191 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-21 00:40:47,192 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-21 00:40:47,193 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-21 00:40:47,193 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 00:40:47,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 00:40:47,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 00:40:47,550 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 00:40:47,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:40:47 BoogieIcfgContainer [2018-01-21 00:40:47,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 00:40:47,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 00:40:47,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 00:40:47,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 00:40:47,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 12:40:46" (1/3) ... [2018-01-21 00:40:47,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e3b0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:40:47, skipping insertion in model container [2018-01-21 00:40:47,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:40:47" (2/3) ... [2018-01-21 00:40:47,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e3b0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:40:47, skipping insertion in model container [2018-01-21 00:40:47,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:40:47" (3/3) ... [2018-01-21 00:40:47,557 INFO L105 eAbstractionObserver]: Analyzing ICFG optional_data_creation_test04_false-valid-memtrack.i [2018-01-21 00:40:47,563 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 00:40:47,569 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-01-21 00:40:47,606 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:40:47,607 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:40:47,607 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:40:47,607 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:40:47,607 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:40:47,607 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:40:47,607 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:40:47,607 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == create_dataErr0EnsuresViolation======== [2018-01-21 00:40:47,608 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:40:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-21 00:40:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-21 00:40:47,630 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:47,631 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] [2018-01-21 00:40:47,632 INFO L371 AbstractCegarLoop]: === Iteration 1 === [create_dataErr0EnsuresViolation]=== [2018-01-21 00:40:47,635 INFO L82 PathProgramCache]: Analyzing trace with hash -870275047, now seen corresponding path program 1 times [2018-01-21 00:40:47,637 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:47,677 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:47,678 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:47,678 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:47,678 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:47,746 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:47,822 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:47,822 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:40:47,822 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:47,826 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:40:47,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:40:47,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:40:47,843 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2018-01-21 00:40:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,029 INFO L93 Difference]: Finished difference Result 158 states and 180 transitions. [2018-01-21 00:40:48,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:40:48,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-01-21 00:40:48,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,039 INFO L225 Difference]: With dead ends: 158 [2018-01-21 00:40:48,039 INFO L226 Difference]: Without dead ends: 47 [2018-01-21 00:40:48,043 INFO L525 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 [2018-01-21 00:40:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-01-21 00:40:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-01-21 00:40:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-21 00:40:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-01-21 00:40:48,073 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 20 [2018-01-21 00:40:48,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,073 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-01-21 00:40:48,074 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:40:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-01-21 00:40:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 00:40:48,075 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,075 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] [2018-01-21 00:40:48,076 INFO L371 AbstractCegarLoop]: === Iteration 2 === [create_dataErr0EnsuresViolation]=== [2018-01-21 00:40:48,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2022582004, now seen corresponding path program 1 times [2018-01-21 00:40:48,076 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,077 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,077 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,078 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,078 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:40:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:40:48,163 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:40:48,175 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:40:48,178 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:40:48,192 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:40:48,192 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:40:48,192 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:40:48,192 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:40:48,192 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:40:48,192 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:40:48,192 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:40:48,192 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == freeDataErr0EnsuresViolation======== [2018-01-21 00:40:48,192 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:40:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-21 00:40:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-21 00:40:48,196 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,196 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] [2018-01-21 00:40:48,196 INFO L371 AbstractCegarLoop]: === Iteration 1 === [freeDataErr0EnsuresViolation]=== [2018-01-21 00:40:48,196 INFO L82 PathProgramCache]: Analyzing trace with hash 18446588, now seen corresponding path program 1 times [2018-01-21 00:40:48,196 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,197 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,197 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,197 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,197 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,206 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,220 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:40:48,220 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,220 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:40:48,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:40:48,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:40:48,221 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-01-21 00:40:48,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,230 INFO L93 Difference]: Finished difference Result 155 states and 175 transitions. [2018-01-21 00:40:48,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:40:48,230 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-01-21 00:40:48,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,232 INFO L225 Difference]: With dead ends: 155 [2018-01-21 00:40:48,232 INFO L226 Difference]: Without dead ends: 70 [2018-01-21 00:40:48,233 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 [2018-01-21 00:40:48,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-01-21 00:40:48,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-01-21 00:40:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-01-21 00:40:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2018-01-21 00:40:48,241 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 21 [2018-01-21 00:40:48,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,242 INFO L432 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2018-01-21 00:40:48,242 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:40:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2018-01-21 00:40:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 00:40:48,243 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,244 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, 1, 1, 1] [2018-01-21 00:40:48,244 INFO L371 AbstractCegarLoop]: === Iteration 2 === [freeDataErr0EnsuresViolation]=== [2018-01-21 00:40:48,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1906944541, now seen corresponding path program 1 times [2018-01-21 00:40:48,244 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,245 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,245 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,245 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,245 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,267 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,319 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:40:48,319 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,320 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:40:48,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:40:48,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:40:48,321 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 3 states. [2018-01-21 00:40:48,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,356 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2018-01-21 00:40:48,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:40:48,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-01-21 00:40:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,358 INFO L225 Difference]: With dead ends: 74 [2018-01-21 00:40:48,358 INFO L226 Difference]: Without dead ends: 73 [2018-01-21 00:40:48,359 INFO L525 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 [2018-01-21 00:40:48,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-01-21 00:40:48,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-01-21 00:40:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-01-21 00:40:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2018-01-21 00:40:48,364 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 40 [2018-01-21 00:40:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,365 INFO L432 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2018-01-21 00:40:48,365 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:40:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2018-01-21 00:40:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-21 00:40:48,366 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,366 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, 1, 1, 1, 1, 1, 1] [2018-01-21 00:40:48,366 INFO L371 AbstractCegarLoop]: === Iteration 3 === [freeDataErr0EnsuresViolation]=== [2018-01-21 00:40:48,366 INFO L82 PathProgramCache]: Analyzing trace with hash 253062134, now seen corresponding path program 1 times [2018-01-21 00:40:48,366 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,367 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,367 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,367 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,368 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,448 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,448 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:40:48,449 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:40:48,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:40:48,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:40:48,450 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand 4 states. [2018-01-21 00:40:48,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,498 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2018-01-21 00:40:48,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:40:48,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-01-21 00:40:48,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,500 INFO L225 Difference]: With dead ends: 110 [2018-01-21 00:40:48,500 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:40:48,501 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:40:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:40:48,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:40:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:40:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:40:48,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-21 00:40:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,502 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:40:48,502 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:40:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:40:48,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:40:48,506 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:40:48,506 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:40:48,506 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:40:48,506 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:40:48,506 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:40:48,507 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:40:48,507 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:40:48,507 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 00:40:48,507 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:40:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-21 00:40:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 00:40:48,510 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,510 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 00:40:48,510 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 00:40:48,510 INFO L82 PathProgramCache]: Analyzing trace with hash 156161, now seen corresponding path program 1 times [2018-01-21 00:40:48,510 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,511 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,511 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,511 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,512 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:40:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:40:48,518 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:40:48,518 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:40:48,521 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:40:48,521 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:40:48,521 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:40:48,521 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:40:48,521 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:40:48,521 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:40:48,521 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:40:48,522 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 00:40:48,522 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:40:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-21 00:40:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-21 00:40:48,524 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,524 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:40:48,524 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:40:48,525 INFO L82 PathProgramCache]: Analyzing trace with hash 456996590, now seen corresponding path program 1 times [2018-01-21 00:40:48,525 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,526 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,526 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,526 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,526 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,531 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,538 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,538 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:40:48,538 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,539 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:40:48,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:40:48,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:40:48,539 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-01-21 00:40:48,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,546 INFO L93 Difference]: Finished difference Result 155 states and 175 transitions. [2018-01-21 00:40:48,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:40:48,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-21 00:40:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,548 INFO L225 Difference]: With dead ends: 155 [2018-01-21 00:40:48,548 INFO L226 Difference]: Without dead ends: 76 [2018-01-21 00:40:48,549 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 [2018-01-21 00:40:48,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-01-21 00:40:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-01-21 00:40:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-01-21 00:40:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2018-01-21 00:40:48,556 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 16 [2018-01-21 00:40:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,556 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2018-01-21 00:40:48,556 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:40:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2018-01-21 00:40:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 00:40:48,558 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,558 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] [2018-01-21 00:40:48,558 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:40:48,558 INFO L82 PathProgramCache]: Analyzing trace with hash 943494876, now seen corresponding path program 1 times [2018-01-21 00:40:48,558 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,559 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,560 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,573 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,610 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:40:48,610 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,611 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:40:48,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:40:48,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:40:48,611 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 4 states. [2018-01-21 00:40:48,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,681 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2018-01-21 00:40:48,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:40:48,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-01-21 00:40:48,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,682 INFO L225 Difference]: With dead ends: 115 [2018-01-21 00:40:48,682 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:40:48,683 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:40:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:40:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:40:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:40:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:40:48,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 00:40:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,684 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:40:48,684 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:40:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:40:48,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:40:48,686 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:40:48,686 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:40:48,687 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:40:48,687 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:40:48,687 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:40:48,687 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:40:48,687 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:40:48,687 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 00:40:48,687 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:40:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-21 00:40:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 00:40:48,690 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,690 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:40:48,690 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 00:40:48,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1077569315, now seen corresponding path program 1 times [2018-01-21 00:40:48,691 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,692 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,692 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,692 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,692 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,696 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,701 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:40:48,701 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,701 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:40:48,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:40:48,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:40:48,702 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-01-21 00:40:48,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,707 INFO L93 Difference]: Finished difference Result 155 states and 175 transitions. [2018-01-21 00:40:48,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:40:48,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-01-21 00:40:48,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,709 INFO L225 Difference]: With dead ends: 155 [2018-01-21 00:40:48,709 INFO L226 Difference]: Without dead ends: 74 [2018-01-21 00:40:48,710 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 [2018-01-21 00:40:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-01-21 00:40:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-01-21 00:40:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-01-21 00:40:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-01-21 00:40:48,716 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 14 [2018-01-21 00:40:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,716 INFO L432 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-01-21 00:40:48,717 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:40:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-01-21 00:40:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-21 00:40:48,717 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,718 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] [2018-01-21 00:40:48,718 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 00:40:48,718 INFO L82 PathProgramCache]: Analyzing trace with hash -137565551, now seen corresponding path program 1 times [2018-01-21 00:40:48,718 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,719 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,719 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,719 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,720 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:40:48,731 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:40:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:40:48,768 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:40:48,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:40:48,768 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:40:48,769 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:40:48,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:40:48,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:40:48,769 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 4 states. [2018-01-21 00:40:48,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:40:48,860 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2018-01-21 00:40:48,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:40:48,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-01-21 00:40:48,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:40:48,861 INFO L225 Difference]: With dead ends: 113 [2018-01-21 00:40:48,861 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:40:48,861 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:40:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:40:48,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:40:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:40:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:40:48,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-01-21 00:40:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:40:48,862 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:40:48,862 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:40:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:40:48,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:40:48,863 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:40:48,864 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:40:48,864 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:40:48,864 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:40:48,864 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:40:48,864 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:40:48,864 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:40:48,864 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == appendErr0EnsuresViolation======== [2018-01-21 00:40:48,864 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:40:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-21 00:40:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 00:40:48,865 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:40:48,865 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] [2018-01-21 00:40:48,865 INFO L371 AbstractCegarLoop]: === Iteration 1 === [appendErr0EnsuresViolation]=== [2018-01-21 00:40:48,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1501116752, now seen corresponding path program 1 times [2018-01-21 00:40:48,866 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:40:48,866 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,866 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:40:48,866 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:40:48,867 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:40:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:40:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:40:48,900 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:40:48,902 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:40:48,904 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:40:48,905 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:40:48,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 12:40:48 BoogieIcfgContainer [2018-01-21 00:40:48,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 00:40:48,910 INFO L168 Benchmark]: Toolchain (without parser) took 2023.02 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 263.8 MB in the beginning and 334.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 93.7 MB. Max. memory is 5.3 GB. [2018-01-21 00:40:48,911 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 305.7 MB. Free memory is still 269.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 00:40:48,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.12 ms. Allocated memory is still 305.7 MB. Free memory was 262.8 MB in the beginning and 251.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. [2018-01-21 00:40:48,911 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 ms. Allocated memory is still 305.7 MB. Free memory was 251.9 MB in the beginning and 250.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-21 00:40:48,911 INFO L168 Benchmark]: RCFGBuilder took 414.96 ms. Allocated memory is still 305.7 MB. Free memory was 250.9 MB in the beginning and 224.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 5.3 GB. [2018-01-21 00:40:48,911 INFO L168 Benchmark]: TraceAbstraction took 1357.27 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 224.8 MB in the beginning and 334.2 MB in the end (delta: -109.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 5.3 GB. [2018-01-21 00:40:48,913 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 305.7 MB. Free memory is still 269.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 204.12 ms. Allocated memory is still 305.7 MB. Free memory was 262.8 MB in the beginning and 251.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.02 ms. Allocated memory is still 305.7 MB. Free memory was 251.9 MB in the beginning and 250.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 414.96 ms. Allocated memory is still 305.7 MB. Free memory was 250.9 MB in the beginning and 224.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1357.27 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 224.8 MB in the beginning and 334.2 MB in the end (delta: -109.5 MB). Peak memory consumption was 54.6 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) - 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: 538]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L571] FCALL struct node_t *list = ((void *)0); VAL [list={15:0}] [L572] int dataNotFinished = 0; VAL [dataNotFinished=0, list={15:0}] [L574] CALL append(&list) VAL [pointerToList={15:0}] [L565] EXPR, FCALL malloc(sizeof *node) VAL [malloc(sizeof *node)={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L565] struct node_t *node = malloc(sizeof *node); VAL [malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L566] EXPR, FCALL \read(**pointerToList) VAL [\read(**pointerToList)={0:0}, malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L566] FCALL node->next = *pointerToList VAL [\read(**pointerToList)={0:0}, malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L567] CALL create_data() [L539] COND FALSE !(__VERIFIER_nondet_int()) [L542] EXPR, FCALL malloc(sizeof *data) VAL [malloc(sizeof *data)={13:0}] [L542] Data data = malloc(sizeof *data); [L543] COND FALSE !(__VERIFIER_nondet_int()) [L550] FCALL data->array = ((void *)0) VAL [data={13:0}, malloc(sizeof *data)={13:0}] [L552] FCALL data->number = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, data={13:0}, malloc(sizeof *data)={13:0}] [L553] return data; VAL [\result={13:0}, data={13:0}, malloc(sizeof *data)={13:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: create_dataErr0EnsuresViolation CFG has 6 procedures, 82 locations, 6 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 80 SDtfs, 11 SDslu, 46 SDs, 0 SdLazy, 28 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 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 - PositiveResult [Line: 555]: 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: freeDataErr0EnsuresViolation CFG has 6 procedures, 82 locations, 6 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 193 SDtfs, 22 SDslu, 87 SDs, 0 SdLazy, 44 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 5557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 6 procedures, 82 locations, 6 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=82occurred 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: 1]: 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: ULTIMATE.startErr0EnsuresViolation CFG has 6 procedures, 82 locations, 6 error locations. SAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 125 SDtfs, 11 SDslu, 44 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 2925 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: 570]: 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 6 procedures, 82 locations, 6 error locations. SAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 125 SDtfs, 11 SDslu, 44 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 2651 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 - CounterExampleResult [Line: 564]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L571] FCALL struct node_t *list = ((void *)0); VAL [list={15:0}] [L572] int dataNotFinished = 0; VAL [dataNotFinished=0, list={15:0}] [L574] CALL append(&list) VAL [pointerToList={15:0}] [L565] EXPR, FCALL malloc(sizeof *node) VAL [malloc(sizeof *node)={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L565] struct node_t *node = malloc(sizeof *node); VAL [malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L566] EXPR, FCALL \read(**pointerToList) VAL [\read(**pointerToList)={0:0}, malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L566] FCALL node->next = *pointerToList VAL [\read(**pointerToList)={0:0}, malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L567] CALL, EXPR create_data() [L539] COND TRUE __VERIFIER_nondet_int() [L540] RET return ((void *)0); VAL [\result={0:0}] [L567] EXPR create_data() VAL [create_data()={0:0}, malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L567] FCALL node->data = create_data() VAL [create_data()={0:0}, malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] [L568] FCALL *pointerToList = node VAL [malloc(sizeof *node)={14:0}, node={14:0}, pointerToList={15:0}, pointerToList={15:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: appendErr0EnsuresViolation CFG has 6 procedures, 82 locations, 6 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=82occurred 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, 25 NumberOfCodeBlocks, 25 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 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_00-40-48-924.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_00-40-48-924.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_00-40-48-924.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_00-40-48-924.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_00-40-48-924.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_00-40-48-924.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_00-40-48-924.csv Received shutdown request...