java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label10_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:00:03,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:00:03,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:00:03,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:00:03,989 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:00:03,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:00:03,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:00:03,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:00:03,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:00:03,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:00:03,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:00:03,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:00:04,001 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:00:04,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:00:04,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:00:04,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:00:04,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:00:04,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:00:04,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:00:04,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:00:04,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:00:04,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:00:04,029 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:00:04,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:00:04,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:00:04,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:00:04,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:00:04,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:00:04,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:00:04,036 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:00:04,036 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:00:04,037 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:00:04,037 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:00:04,037 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:00:04,039 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:00:04,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:00:04,041 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:00:04,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:00:04,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:00:04,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:00:04,077 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:00:04,077 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:00:04,077 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:00:04,077 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:00:04,077 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:00:04,078 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:00:04,078 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:00:04,078 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:00:04,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:00:04,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:00:04,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:00:04,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:00:04,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:00:04,082 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:00:04,083 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:00:04,083 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:00:04,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:00:04,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:00:04,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:00:04,084 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:00:04,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:00:04,084 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:00:04,084 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:00:04,084 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:00:04,085 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:00:04,085 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:00:04,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:00:04,085 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:00:04,086 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:00:04,086 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:00:04,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:00:04,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:00:04,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:00:04,171 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:00:04,172 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:00:04,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label10_true-unreach-call.c [2018-09-14 18:00:04,522 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6105c9e46/5561dcdc86564dc9981389ee493d8e49/FLAG705d986fc [2018-09-14 18:00:04,913 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:00:04,914 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label10_true-unreach-call.c [2018-09-14 18:00:04,936 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6105c9e46/5561dcdc86564dc9981389ee493d8e49/FLAG705d986fc [2018-09-14 18:00:04,958 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6105c9e46/5561dcdc86564dc9981389ee493d8e49 [2018-09-14 18:00:04,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:00:04,973 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:00:04,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:00:04,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:00:04,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:00:04,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:00:04" (1/1) ... [2018-09-14 18:00:04,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34899a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:04, skipping insertion in model container [2018-09-14 18:00:04,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:00:04" (1/1) ... [2018-09-14 18:00:05,002 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:00:05,980 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:00:05,998 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:00:06,585 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:00:06,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06 WrapperNode [2018-09-14 18:00:06,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:00:06,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:00:06,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:00:06,813 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:00:06,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:06,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:00:07,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:00:07,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:00:07,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:00:07,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... [2018-09-14 18:00:07,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:00:07,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:00:07,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:00:07,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:00:07,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:00:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:00:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:00:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:00:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:00:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:00:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:00:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:00:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:00:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:00:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:00:19,087 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:00:19,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:00:19 BoogieIcfgContainer [2018-09-14 18:00:19,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:00:19,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:00:19,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:00:19,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:00:19,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:00:04" (1/3) ... [2018-09-14 18:00:19,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632a1cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:00:19, skipping insertion in model container [2018-09-14 18:00:19,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:00:06" (2/3) ... [2018-09-14 18:00:19,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632a1cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:00:19, skipping insertion in model container [2018-09-14 18:00:19,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:00:19" (3/3) ... [2018-09-14 18:00:19,099 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label10_true-unreach-call.c [2018-09-14 18:00:19,109 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:00:19,120 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:00:19,195 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:00:19,196 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:00:19,196 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:00:19,196 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:00:19,196 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:00:19,196 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:00:19,197 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:00:19,197 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:00:19,197 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:00:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-09-14 18:00:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-14 18:00:19,247 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:00:19,248 INFO L376 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, 1, 1, 1] [2018-09-14 18:00:19,249 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:00:19,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1853097852, now seen corresponding path program 1 times [2018-09-14 18:00:19,258 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:00:19,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:00:19,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:00:19,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:00:19,316 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:00:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:00:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:00:19,844 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:00:19,844 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:00:19,845 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:00:19,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:00:19,867 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:00:19,868 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:00:19,871 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-09-14 18:00:30,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:00:30,758 INFO L93 Difference]: Finished difference Result 2139 states and 3961 transitions. [2018-09-14 18:00:30,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:00:30,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2018-09-14 18:00:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:00:30,797 INFO L225 Difference]: With dead ends: 2139 [2018-09-14 18:00:30,797 INFO L226 Difference]: Without dead ends: 1529 [2018-09-14 18:00:30,807 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:00:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2018-09-14 18:00:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1527. [2018-09-14 18:00:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-09-14 18:00:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2413 transitions. [2018-09-14 18:00:30,953 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2413 transitions. Word has length 46 [2018-09-14 18:00:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:00:30,954 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 2413 transitions. [2018-09-14 18:00:30,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:00:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2413 transitions. [2018-09-14 18:00:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-14 18:00:30,965 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:00:30,967 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:00:30,967 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:00:30,968 INFO L82 PathProgramCache]: Analyzing trace with hash -180836774, now seen corresponding path program 1 times [2018-09-14 18:00:30,968 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:00:30,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:00:30,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:00:30,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:00:30,970 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:00:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:00:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:00:31,385 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:00:31,385 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:00:31,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:00:31,402 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:00:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:00:31,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:01:32,644 WARN L178 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 147 DAG size of output: 91 [2018-09-14 18:02:24,992 WARN L178 SmtUtils]: Spent 48.22 s on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2018-09-14 18:02:25,586 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-14 18:02:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:02:25,788 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:02:30,312 WARN L178 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 55 DAG size of output: 16 [2018-09-14 18:02:30,765 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-14 18:02:30,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-14 18:02:31,799 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 1720 Received shutdown request... [2018-09-14 18:04:05,934 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-14 18:04:06,135 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:04:06,136 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:04:06,141 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:04:06,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:04:06 BoogieIcfgContainer [2018-09-14 18:04:06,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:04:06,143 INFO L168 Benchmark]: Toolchain (without parser) took 241172.48 ms. Allocated memory was 1.5 GB in the beginning and 7.3 GB in the end (delta: 5.7 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 5.5 GB. Max. memory is 7.1 GB. [2018-09-14 18:04:06,144 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:04:06,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1837.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-09-14 18:04:06,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 272.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:04:06,146 INFO L168 Benchmark]: Boogie Preprocessor took 829.73 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 933.2 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:04:06,147 INFO L168 Benchmark]: RCFGBuilder took 11172.92 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 459.5 MB). Peak memory consumption was 459.5 MB. Max. memory is 7.1 GB. [2018-09-14 18:04:06,148 INFO L168 Benchmark]: TraceAbstraction took 227052.80 ms. Allocated memory was 2.5 GB in the beginning and 7.3 GB in the end (delta: 4.8 GB). Free memory was 1.9 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 5.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:04:06,154 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1837.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 272.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 829.73 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 933.2 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11172.92 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 459.5 MB). Peak memory consumption was 459.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227052.80 ms. Allocated memory was 2.5 GB in the beginning and 7.3 GB in the end (delta: 4.8 GB). Free memory was 1.9 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 5.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 125]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 125). Cancelled while BasicCegarLoop was analyzing trace of length 122 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 1720 disjunction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 226.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 1038 SDslu, 247 SDs, 0 SdLazy, 3037 SolverSat, 756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 8325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label10_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-04-06-172.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label10_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-04-06-172.csv Completed graceful shutdown