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/Problem19_label01_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:27:59,035 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:27:59,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:27:59,050 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:27:59,050 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:27:59,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:27:59,053 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:27:59,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:27:59,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:27:59,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:27:59,058 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:27:59,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:27:59,059 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:27:59,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:27:59,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:27:59,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:27:59,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:27:59,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:27:59,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:27:59,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:27:59,071 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:27:59,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:27:59,075 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:27:59,075 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:27:59,075 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:27:59,076 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:27:59,077 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:27:59,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:27:59,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:27:59,080 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:27:59,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:27:59,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:27:59,085 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:27:59,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:27:59,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:27:59,088 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:27:59,088 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 [2018-09-18 12:27:59,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:27:59,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:27:59,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:27:59,105 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:27:59,106 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:27:59,106 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:27:59,106 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:27:59,106 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:27:59,106 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:27:59,107 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:27:59,107 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:27:59,107 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:27:59,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:27:59,108 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:27:59,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:27:59,109 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:27:59,109 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:27:59,109 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:27:59,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:27:59,109 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:27:59,110 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:27:59,110 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:27:59,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:27:59,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:27:59,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:27:59,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:27:59,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:27:59,111 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:27:59,111 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:27:59,112 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:27:59,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:27:59,112 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:27:59,112 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:27:59,112 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:27:59,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:27:59,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:27:59,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:27:59,177 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:27:59,178 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:27:59,179 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c [2018-09-18 12:27:59,535 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41298fea/757fc9256f364f0eb976710774d3e937/FLAGfb8806818 [2018-09-18 12:28:00,136 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:28:00,137 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c [2018-09-18 12:28:00,182 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41298fea/757fc9256f364f0eb976710774d3e937/FLAGfb8806818 [2018-09-18 12:28:00,203 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41298fea/757fc9256f364f0eb976710774d3e937 [2018-09-18 12:28:00,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:28:00,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:28:00,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:28:00,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:28:00,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:28:00,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:28:00" (1/1) ... [2018-09-18 12:28:00,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f90d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:00, skipping insertion in model container [2018-09-18 12:28:00,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:28:00" (1/1) ... [2018-09-18 12:28:00,245 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:28:02,294 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:28:02,322 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:28:03,341 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:28:03,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03 WrapperNode [2018-09-18 12:28:03,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:28:03,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:28:03,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:28:03,909 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:28:03,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:04,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:04,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:28:04,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:28:04,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:28:04,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:28:05,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (1/1) ... [2018-09-18 12:28:05,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:28:05,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:28:05,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:28:05,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:28:05,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (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 [2018-09-18 12:28:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:28:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:28:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:28:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:28:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:28:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:28:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:28:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:28:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:28:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:28:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:28:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:28:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:28:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:28:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:28:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:28:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:28:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:28:23,609 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:28:23,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:28:23 BoogieIcfgContainer [2018-09-18 12:28:23,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:28:23,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:28:23,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:28:23,614 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:28:23,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:28:00" (1/3) ... [2018-09-18 12:28:23,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f59b429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:28:23, skipping insertion in model container [2018-09-18 12:28:23,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:28:03" (2/3) ... [2018-09-18 12:28:23,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f59b429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:28:23, skipping insertion in model container [2018-09-18 12:28:23,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:28:23" (3/3) ... [2018-09-18 12:28:23,618 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label01_true-unreach-call.c [2018-09-18 12:28:23,628 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:28:23,639 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:28:23,725 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:28:23,726 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:28:23,726 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:28:23,726 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:28:23,726 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:28:23,726 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:28:23,726 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:28:23,727 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:28:23,727 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:28:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:28:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-18 12:28:23,795 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:28:23,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:28:23,797 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:28:23,803 INFO L82 PathProgramCache]: Analyzing trace with hash -901357788, now seen corresponding path program 1 times [2018-09-18 12:28:23,806 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:28:23,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:23,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:28:23,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:23,864 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:28:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:28:24,358 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:28:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:28:24,545 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:28:24,545 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:28:24,545 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:28:24,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:28:24,570 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:28:24,571 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:28:24,573 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:28:44,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:28:44,120 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-09-18 12:28:44,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:28:44,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-09-18 12:28:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:28:44,168 INFO L225 Difference]: With dead ends: 4995 [2018-09-18 12:28:44,169 INFO L226 Difference]: Without dead ends: 3215 [2018-09-18 12:28:44,182 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:28:44,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-09-18 12:28:44,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-09-18 12:28:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-09-18 12:28:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-09-18 12:28:44,407 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 70 [2018-09-18 12:28:44,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:28:44,408 INFO L480 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-09-18 12:28:44,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:28:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-09-18 12:28:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-18 12:28:44,427 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:28:44,427 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, 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] [2018-09-18 12:28:44,428 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:28:44,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1756808487, now seen corresponding path program 1 times [2018-09-18 12:28:44,428 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:28:44,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:44,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:28:44,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:44,434 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:28:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:28:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:28:44,883 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:28:44,883 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:28:44,883 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:28:44,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:28:44,886 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:28:44,886 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:28:44,886 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 5 states. [2018-09-18 12:29:29,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:29:29,733 INFO L93 Difference]: Finished difference Result 12254 states and 22711 transitions. [2018-09-18 12:29:29,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:29:29,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-09-18 12:29:29,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:29:29,793 INFO L225 Difference]: With dead ends: 12254 [2018-09-18 12:29:29,793 INFO L226 Difference]: Without dead ends: 9047 [2018-09-18 12:29:29,811 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:29:29,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9047 states. [2018-09-18 12:29:30,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9047 to 8967. [2018-09-18 12:29:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8967 states. [2018-09-18 12:29:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8967 states to 8967 states and 13249 transitions. [2018-09-18 12:29:30,079 INFO L78 Accepts]: Start accepts. Automaton has 8967 states and 13249 transitions. Word has length 144 [2018-09-18 12:29:30,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:29:30,080 INFO L480 AbstractCegarLoop]: Abstraction has 8967 states and 13249 transitions. [2018-09-18 12:29:30,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:29:30,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8967 states and 13249 transitions. [2018-09-18 12:29:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-18 12:29:30,087 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:29:30,088 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, 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] [2018-09-18 12:29:30,088 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:29:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1510620445, now seen corresponding path program 1 times [2018-09-18 12:29:30,088 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:29:30,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:30,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:29:30,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:30,090 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:29:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:29:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:29:30,348 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:29:30,348 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:29:30,349 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:29:30,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:29:30,350 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:29:30,350 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:29:30,350 INFO L87 Difference]: Start difference. First operand 8967 states and 13249 transitions. Second operand 6 states. [2018-09-18 12:29:51,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:29:51,005 INFO L93 Difference]: Finished difference Result 22677 states and 34972 transitions. [2018-09-18 12:29:51,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:29:51,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-09-18 12:29:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:29:51,076 INFO L225 Difference]: With dead ends: 22677 [2018-09-18 12:29:51,076 INFO L226 Difference]: Without dead ends: 13716 [2018-09-18 12:29:51,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:29:51,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13716 states. [2018-09-18 12:29:51,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13716 to 13551. [2018-09-18 12:29:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13551 states. [2018-09-18 12:29:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13551 states to 13551 states and 20285 transitions. [2018-09-18 12:29:51,477 INFO L78 Accepts]: Start accepts. Automaton has 13551 states and 20285 transitions. Word has length 149 [2018-09-18 12:29:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:29:51,477 INFO L480 AbstractCegarLoop]: Abstraction has 13551 states and 20285 transitions. [2018-09-18 12:29:51,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:29:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 13551 states and 20285 transitions. [2018-09-18 12:29:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-18 12:29:51,482 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:29:51,483 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, 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] [2018-09-18 12:29:51,483 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:29:51,483 INFO L82 PathProgramCache]: Analyzing trace with hash -981513705, now seen corresponding path program 1 times [2018-09-18 12:29:51,487 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:29:51,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:51,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:29:51,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:51,488 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:29:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:29:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:29:51,807 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:29:51,808 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:29:51,808 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:29:51,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:29:51,809 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:29:51,809 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:29:51,809 INFO L87 Difference]: Start difference. First operand 13551 states and 20285 transitions. Second operand 6 states. [2018-09-18 12:30:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:15,790 INFO L93 Difference]: Finished difference Result 41235 states and 63299 transitions. [2018-09-18 12:30:15,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-18 12:30:15,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-09-18 12:30:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:15,883 INFO L225 Difference]: With dead ends: 41235 [2018-09-18 12:30:15,884 INFO L226 Difference]: Without dead ends: 27690 [2018-09-18 12:30:15,928 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:30:15,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27690 states. [2018-09-18 12:30:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27690 to 27317. [2018-09-18 12:30:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27317 states. [2018-09-18 12:30:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27317 states to 27317 states and 40102 transitions. [2018-09-18 12:30:16,576 INFO L78 Accepts]: Start accepts. Automaton has 27317 states and 40102 transitions. Word has length 152 [2018-09-18 12:30:16,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:30:16,577 INFO L480 AbstractCegarLoop]: Abstraction has 27317 states and 40102 transitions. [2018-09-18 12:30:16,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:30:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 27317 states and 40102 transitions. [2018-09-18 12:30:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-18 12:30:16,581 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:16,582 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, 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, 1, 1, 1] [2018-09-18 12:30:16,582 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:16,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1158818945, now seen corresponding path program 1 times [2018-09-18 12:30:16,582 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:16,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:16,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:16,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:16,584 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:30:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:30:16,908 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:30:16,909 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:30:16,909 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:30:16,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:30:16,910 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:30:16,910 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:30:16,910 INFO L87 Difference]: Start difference. First operand 27317 states and 40102 transitions. Second operand 5 states. [2018-09-18 12:30:45,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:45,595 INFO L93 Difference]: Finished difference Result 81456 states and 121128 transitions. [2018-09-18 12:30:45,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:30:45,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-09-18 12:30:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:45,765 INFO L225 Difference]: With dead ends: 81456 [2018-09-18 12:30:45,766 INFO L226 Difference]: Without dead ends: 54145 [2018-09-18 12:30:45,841 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:30:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54145 states. [2018-09-18 12:30:46,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54145 to 52264. [2018-09-18 12:30:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52264 states. [2018-09-18 12:30:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52264 states to 52264 states and 67984 transitions. [2018-09-18 12:30:46,860 INFO L78 Accepts]: Start accepts. Automaton has 52264 states and 67984 transitions. Word has length 172 [2018-09-18 12:30:46,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:30:46,861 INFO L480 AbstractCegarLoop]: Abstraction has 52264 states and 67984 transitions. [2018-09-18 12:30:46,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:30:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 52264 states and 67984 transitions. [2018-09-18 12:30:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-09-18 12:30:46,867 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:46,867 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:30:46,867 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:46,868 INFO L82 PathProgramCache]: Analyzing trace with hash -594046821, now seen corresponding path program 1 times [2018-09-18 12:30:46,868 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:46,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:46,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:46,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:46,869 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:30:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:30:47,185 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:30:47,185 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:30:47,185 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:30:47,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:30:47,186 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:30:47,186 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:30:47,186 INFO L87 Difference]: Start difference. First operand 52264 states and 67984 transitions. Second operand 4 states. [2018-09-18 12:31:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:31:07,667 INFO L93 Difference]: Finished difference Result 188641 states and 263408 transitions. [2018-09-18 12:31:07,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:31:07,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 282 [2018-09-18 12:31:07,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:31:08,044 INFO L225 Difference]: With dead ends: 188641 [2018-09-18 12:31:08,044 INFO L226 Difference]: Without dead ends: 136383 [2018-09-18 12:31:08,166 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:31:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136383 states. [2018-09-18 12:31:10,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136383 to 135979. [2018-09-18 12:31:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135979 states. [2018-09-18 12:31:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135979 states to 135979 states and 180169 transitions. [2018-09-18 12:31:10,870 INFO L78 Accepts]: Start accepts. Automaton has 135979 states and 180169 transitions. Word has length 282 [2018-09-18 12:31:10,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:31:10,871 INFO L480 AbstractCegarLoop]: Abstraction has 135979 states and 180169 transitions. [2018-09-18 12:31:10,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:31:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 135979 states and 180169 transitions. [2018-09-18 12:31:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2018-09-18 12:31:10,912 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:31:10,913 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:31:10,914 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:31:10,914 INFO L82 PathProgramCache]: Analyzing trace with hash 165972025, now seen corresponding path program 1 times [2018-09-18 12:31:10,914 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:31:10,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:31:10,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:10,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:31:10,916 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:31:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:12,240 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:31:12,240 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 [2018-09-18 12:31:12,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:12,249 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:31:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:12,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:31:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:13,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:31:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:14,797 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:31:14,797 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:31:14,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:14,814 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:31:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:15,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:31:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:15,915 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:31:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:17,489 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:31:17,490 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-18 12:31:17,490 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:31:17,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 12:31:17,493 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 12:31:17,493 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 12:31:17,494 INFO L87 Difference]: Start difference. First operand 135979 states and 180169 transitions. Second operand 9 states. Received shutdown request... [2018-09-18 12:31:56,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-18 12:31:56,811 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:31:56,816 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:31:56,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:31:56 BoogieIcfgContainer [2018-09-18 12:31:56,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:31:56,818 INFO L168 Benchmark]: Toolchain (without parser) took 236602.46 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -314.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-18 12:31:56,819 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-09-18 12:31:56,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3688.25 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 199.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -124.2 MB). Peak memory consumption was 486.8 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:56,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 309.72 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:56,821 INFO L168 Benchmark]: Boogie Preprocessor took 1722.88 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 842.5 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -864.4 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:56,822 INFO L168 Benchmark]: RCFGBuilder took 17668.63 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 280.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 122.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 12:31:56,823 INFO L168 Benchmark]: TraceAbstraction took 213205.83 ms. Allocated memory was 2.9 GB in the beginning and 3.7 GB in the end (delta: 881.3 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 489.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:31:56,829 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 3688.25 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 199.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -124.2 MB). Peak memory consumption was 486.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 309.72 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1722.88 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 842.5 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -864.4 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17668.63 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 280.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 122.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 213205.83 ms. Allocated memory was 2.9 GB in the beginning and 3.7 GB in the end (delta: 881.3 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 489.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 205]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 205). Cancelled while BasicCegarLoop was constructing difference of abstraction (135979states) and FLOYD_HOARE automaton (currently 16 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (360852 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 213.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 198.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4732 SDtfs, 45934 SDslu, 5089 SDs, 0 SdLazy, 79586 SolverSat, 17905 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 172.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3298 GetRequests, 3243 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135979occurred in iteration=6, 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: 5.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 2905 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 3390 NumberOfCodeBlocks, 3390 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 4993 ConstructedInterpolants, 0 QuantifiedInterpolants, 5757475 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2136 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 1485/1495 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/Problem19_label01_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-31-56-845.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label01_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-31-56-845.csv Completed graceful shutdown