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_label15_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:20:07,965 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:20:07,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:20:07,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:20:07,983 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:20:07,984 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:20:07,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:20:07,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:20:07,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:20:07,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:20:07,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:20:07,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:20:07,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:20:07,992 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:20:07,993 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:20:07,994 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:20:07,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:20:07,997 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:20:07,999 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:20:08,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:20:08,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:20:08,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:20:08,005 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:20:08,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:20:08,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:20:08,007 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:20:08,008 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:20:08,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:20:08,009 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:20:08,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:20:08,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:20:08,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:20:08,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:20:08,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:20:08,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:20:08,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:20:08,017 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 18:20:08,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:20:08,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:20:08,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:20:08,033 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:20:08,033 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:20:08,033 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:20:08,033 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:20:08,033 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:20:08,034 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:20:08,034 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:20:08,034 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:20:08,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:20:08,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:20:08,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:20:08,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:20:08,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:20:08,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:20:08,036 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:20:08,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:20:08,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:20:08,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:20:08,037 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:20:08,037 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:20:08,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:20:08,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:20:08,037 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:20:08,037 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:20:08,038 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:20:08,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:20:08,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:20:08,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:20:08,038 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:20:08,039 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:20:08,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:20:08,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:20:08,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:20:08,119 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:20:08,119 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:20:08,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label15_true-unreach-call.c [2018-09-14 18:20:08,467 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4801c746f/efd131fd91624f2988d80e1e4612e41c/FLAG3f9db0258 [2018-09-14 18:20:09,049 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:20:09,050 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label15_true-unreach-call.c [2018-09-14 18:20:09,098 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4801c746f/efd131fd91624f2988d80e1e4612e41c/FLAG3f9db0258 [2018-09-14 18:20:09,120 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4801c746f/efd131fd91624f2988d80e1e4612e41c [2018-09-14 18:20:09,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:20:09,138 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:20:09,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:20:09,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:20:09,150 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:20:09,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:20:09" (1/1) ... [2018-09-14 18:20:09,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac2b2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:09, skipping insertion in model container [2018-09-14 18:20:09,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:20:09" (1/1) ... [2018-09-14 18:20:09,170 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:20:11,329 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:20:11,349 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:20:12,485 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:20:13,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13 WrapperNode [2018-09-14 18:20:13,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:20:13,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:20:13,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:20:13,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:20:13,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:13,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:13,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:20:13,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:20:13,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:20:13,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:20:14,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:14,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:14,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:14,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:14,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:14,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:14,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (1/1) ... [2018-09-14 18:20:15,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:20:15,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:20:15,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:20:15,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:20:15,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (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 18:20:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:20:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:20:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:20:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:20:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:20:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:20:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:20:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:20:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:20:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:20:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:20:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:20:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:20:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:20:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:20:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:20:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:20:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:20:34,297 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:20:34,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:20:34 BoogieIcfgContainer [2018-09-14 18:20:34,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:20:34,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:20:34,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:20:34,303 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:20:34,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:20:09" (1/3) ... [2018-09-14 18:20:34,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7174336c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:20:34, skipping insertion in model container [2018-09-14 18:20:34,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:20:13" (2/3) ... [2018-09-14 18:20:34,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7174336c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:20:34, skipping insertion in model container [2018-09-14 18:20:34,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:20:34" (3/3) ... [2018-09-14 18:20:34,307 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label15_true-unreach-call.c [2018-09-14 18:20:34,316 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:20:34,327 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:20:34,406 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:20:34,407 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:20:34,407 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:20:34,407 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:20:34,408 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:20:34,408 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:20:34,408 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:20:34,408 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:20:34,408 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:20:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:20:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-14 18:20:34,475 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:20:34,477 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] [2018-09-14 18:20:34,478 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:20:34,483 INFO L82 PathProgramCache]: Analyzing trace with hash -145550206, now seen corresponding path program 1 times [2018-09-14 18:20:34,486 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:20:34,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:34,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:20:34,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:34,546 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:20:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:20:35,056 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-09-14 18:20:35,125 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 18:20:35,133 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:20:35,135 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:20:35,136 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:20:35,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:20:35,170 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:20:35,171 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:20:35,175 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-09-14 18:21:03,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:21:03,454 INFO L93 Difference]: Finished difference Result 6513 states and 12383 transitions. [2018-09-14 18:21:03,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:21:03,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-09-14 18:21:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:21:03,518 INFO L225 Difference]: With dead ends: 6513 [2018-09-14 18:21:03,519 INFO L226 Difference]: Without dead ends: 4729 [2018-09-14 18:21:03,533 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 18:21:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2018-09-14 18:21:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4693. [2018-09-14 18:21:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-09-14 18:21:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7735 transitions. [2018-09-14 18:21:03,782 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7735 transitions. Word has length 65 [2018-09-14 18:21:03,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:21:03,783 INFO L480 AbstractCegarLoop]: Abstraction has 4693 states and 7735 transitions. [2018-09-14 18:21:03,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:21:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7735 transitions. [2018-09-14 18:21:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-14 18:21:03,792 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:21:03,793 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, 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 18:21:03,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:21:03,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1956104820, now seen corresponding path program 1 times [2018-09-14 18:21:03,794 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:21:03,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:03,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:03,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:03,795 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:21:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:04,161 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:21:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:04,794 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:21:04,795 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:21:04,795 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:21:04,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:21:04,798 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:21:04,798 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:21:04,798 INFO L87 Difference]: Start difference. First operand 4693 states and 7735 transitions. Second operand 6 states. [2018-09-14 18:21:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:21:40,913 INFO L93 Difference]: Finished difference Result 17886 states and 30173 transitions. [2018-09-14 18:21:40,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:21:40,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-09-14 18:21:40,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:21:40,978 INFO L225 Difference]: With dead ends: 17886 [2018-09-14 18:21:40,978 INFO L226 Difference]: Without dead ends: 13199 [2018-09-14 18:21:40,999 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:21:41,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2018-09-14 18:21:41,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 13130. [2018-09-14 18:21:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13130 states. [2018-09-14 18:21:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13130 states to 13130 states and 19368 transitions. [2018-09-14 18:21:41,371 INFO L78 Accepts]: Start accepts. Automaton has 13130 states and 19368 transitions. Word has length 137 [2018-09-14 18:21:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:21:41,373 INFO L480 AbstractCegarLoop]: Abstraction has 13130 states and 19368 transitions. [2018-09-14 18:21:41,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:21:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 13130 states and 19368 transitions. [2018-09-14 18:21:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-14 18:21:41,381 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:21:41,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:41,385 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:21:41,386 INFO L82 PathProgramCache]: Analyzing trace with hash -749519922, now seen corresponding path program 1 times [2018-09-14 18:21:41,386 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:21:41,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:41,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:41,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:41,388 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:21:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:41,724 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:21:41,724 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:21:41,725 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:21:41,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:21:41,725 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:21:41,726 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:21:41,726 INFO L87 Difference]: Start difference. First operand 13130 states and 19368 transitions. Second operand 6 states. [2018-09-14 18:22:08,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:22:08,647 INFO L93 Difference]: Finished difference Result 39923 states and 60279 transitions. [2018-09-14 18:22:08,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-14 18:22:08,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-09-14 18:22:08,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:22:08,758 INFO L225 Difference]: With dead ends: 39923 [2018-09-14 18:22:08,758 INFO L226 Difference]: Without dead ends: 26799 [2018-09-14 18:22:08,796 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 [2018-09-14 18:22:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26799 states. [2018-09-14 18:22:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26799 to 26560. [2018-09-14 18:22:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26560 states. [2018-09-14 18:22:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26560 states to 26560 states and 38690 transitions. [2018-09-14 18:22:09,425 INFO L78 Accepts]: Start accepts. Automaton has 26560 states and 38690 transitions. Word has length 147 [2018-09-14 18:22:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:22:09,426 INFO L480 AbstractCegarLoop]: Abstraction has 26560 states and 38690 transitions. [2018-09-14 18:22:09,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:22:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 26560 states and 38690 transitions. [2018-09-14 18:22:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-14 18:22:09,431 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:22:09,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:09,434 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:22:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash -177824352, now seen corresponding path program 1 times [2018-09-14 18:22:09,435 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:22:09,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:09,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:09,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:09,436 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:22:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:09,779 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:22:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:22:10,192 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:22:10,192 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:22:10,193 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:22:10,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:22:10,193 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:22:10,194 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:22:10,194 INFO L87 Difference]: Start difference. First operand 26560 states and 38690 transitions. Second operand 6 states. [2018-09-14 18:22:33,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:22:33,824 INFO L93 Difference]: Finished difference Result 70632 states and 107328 transitions. [2018-09-14 18:22:33,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:22:33,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-09-14 18:22:33,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:22:33,979 INFO L225 Difference]: With dead ends: 70632 [2018-09-14 18:22:33,979 INFO L226 Difference]: Without dead ends: 44078 [2018-09-14 18:22:34,061 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:22:34,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44078 states. [2018-09-14 18:22:34,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44078 to 43892. [2018-09-14 18:22:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43892 states. [2018-09-14 18:22:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43892 states to 43892 states and 61187 transitions. [2018-09-14 18:22:34,926 INFO L78 Accepts]: Start accepts. Automaton has 43892 states and 61187 transitions. Word has length 180 [2018-09-14 18:22:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:22:34,927 INFO L480 AbstractCegarLoop]: Abstraction has 43892 states and 61187 transitions. [2018-09-14 18:22:34,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:22:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43892 states and 61187 transitions. [2018-09-14 18:22:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-09-14 18:22:34,939 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:22:34,939 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:22:34,939 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:22:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1490211056, now seen corresponding path program 1 times [2018-09-14 18:22:34,940 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:22:34,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:34,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:34,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:34,941 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:22:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:35,224 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:22:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 174 proven. 134 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-09-14 18:22:35,642 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:22:35,642 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 18:22:35,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:35,661 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:22:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:35,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:22:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-09-14 18:22:36,063 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:22:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-09-14 18:22:36,591 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:22:36,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-09-14 18:22:36,592 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:22:36,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:22:36,593 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:22:36,593 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:22:36,594 INFO L87 Difference]: Start difference. First operand 43892 states and 61187 transitions. Second operand 3 states. [2018-09-14 18:22:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:22:52,650 INFO L93 Difference]: Finished difference Result 130108 states and 188475 transitions. [2018-09-14 18:22:52,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:22:52,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2018-09-14 18:22:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:22:53,012 INFO L225 Difference]: With dead ends: 130108 [2018-09-14 18:22:53,012 INFO L226 Difference]: Without dead ends: 86222 [2018-09-14 18:22:53,115 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 579 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:22:53,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86222 states. [2018-09-14 18:22:54,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86222 to 86109. [2018-09-14 18:22:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86109 states. [2018-09-14 18:22:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86109 states to 86109 states and 119035 transitions. [2018-09-14 18:22:55,049 INFO L78 Accepts]: Start accepts. Automaton has 86109 states and 119035 transitions. Word has length 290 [2018-09-14 18:22:55,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:22:55,049 INFO L480 AbstractCegarLoop]: Abstraction has 86109 states and 119035 transitions. [2018-09-14 18:22:55,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:22:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 86109 states and 119035 transitions. [2018-09-14 18:22:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-09-14 18:22:55,074 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:22:55,074 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, 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] [2018-09-14 18:22:55,074 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:22:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash 936797619, now seen corresponding path program 1 times [2018-09-14 18:22:55,075 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:22:55,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:55,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:55,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:55,076 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:22:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 116 proven. 110 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:22:55,537 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:22:55,537 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:22:55,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:55,554 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:22:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:55,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:22:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-09-14 18:22:55,889 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:22:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 116 proven. 110 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:22:56,859 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:22:56,860 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-14 18:22:56,860 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:22:56,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:22:56,861 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:22:56,861 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:22:56,862 INFO L87 Difference]: Start difference. First operand 86109 states and 119035 transitions. Second operand 5 states. [2018-09-14 18:23:25,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:23:25,275 INFO L93 Difference]: Finished difference Result 257259 states and 370891 transitions. [2018-09-14 18:23:25,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:23:25,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 315 [2018-09-14 18:23:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:23:25,757 INFO L225 Difference]: With dead ends: 257259 [2018-09-14 18:23:25,757 INFO L226 Difference]: Without dead ends: 171156 [2018-09-14 18:23:25,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 628 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-09-14 18:23:26,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171156 states. [2018-09-14 18:23:29,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171156 to 170590. [2018-09-14 18:23:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170590 states. [2018-09-14 18:23:29,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170590 states to 170590 states and 225043 transitions. [2018-09-14 18:23:29,492 INFO L78 Accepts]: Start accepts. Automaton has 170590 states and 225043 transitions. Word has length 315 [2018-09-14 18:23:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:23:29,492 INFO L480 AbstractCegarLoop]: Abstraction has 170590 states and 225043 transitions. [2018-09-14 18:23:29,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:23:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 170590 states and 225043 transitions. [2018-09-14 18:23:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-09-14 18:23:29,523 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:23:29,524 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:23:29,524 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:23:29,525 INFO L82 PathProgramCache]: Analyzing trace with hash -888530798, now seen corresponding path program 1 times [2018-09-14 18:23:29,525 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:23:29,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:29,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:29,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:29,526 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:23:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:30,338 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 339 proven. 161 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-09-14 18:23:30,338 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:23:30,338 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:23:30,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:30,347 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:23:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:30,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:23:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 541 proven. 2 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-09-14 18:23:32,116 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:23:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 339 proven. 161 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-09-14 18:23:32,440 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:23:32,440 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 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:23:32,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:32,456 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:23:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:32,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:23:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 541 proven. 2 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-09-14 18:23:33,134 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:23:33,482 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 339 proven. 161 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-09-14 18:23:33,485 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:23:33,485 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-14 18:23:33,485 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:23:33,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:23:33,487 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:23:33,487 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:23:33,488 INFO L87 Difference]: Start difference. First operand 170590 states and 225043 transitions. Second operand 9 states. Received shutdown request... [2018-09-14 18:23:57,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-09-14 18:23:57,553 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:23:57,558 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:23:57,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:23:57 BoogieIcfgContainer [2018-09-14 18:23:57,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:23:57,559 INFO L168 Benchmark]: Toolchain (without parser) took 228423.71 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -963.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-14 18:23:57,560 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:23:57,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3874.44 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 198.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -121.6 MB). Peak memory consumption was 488.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:57,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 366.85 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:57,563 INFO L168 Benchmark]: Boogie Preprocessor took 1818.32 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 841.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -867.4 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:57,564 INFO L168 Benchmark]: RCFGBuilder took 19098.64 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 271.1 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 124.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:23:57,565 INFO L168 Benchmark]: TraceAbstraction took 203258.87 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 713.0 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -168.7 MB). Peak memory consumption was 544.3 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:57,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3874.44 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 198.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -121.6 MB). Peak memory consumption was 488.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 366.85 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1818.32 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 841.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -867.4 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19098.64 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 271.1 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 124.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 203258.87 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 713.0 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -168.7 MB). Peak memory consumption was 544.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 190]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 190). Cancelled while BasicCegarLoop was constructing difference of abstraction (170590states) and FLOYD_HOARE automaton (currently 50 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (108481 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 203.1s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 185.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5509 SDtfs, 40024 SDslu, 5239 SDs, 0 SdLazy, 74750 SolverSat, 15963 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 157.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3566 GetRequests, 3468 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170590occurred 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: 7.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 1209 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 3404 NumberOfCodeBlocks, 3404 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 5104 ConstructedInterpolants, 0 QuantifiedInterpolants, 4018323 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2783 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 4843/5686 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_label15_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-23-57-585.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label15_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-23-57-585.csv Completed graceful shutdown