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_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:18:23,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:18:23,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:18:23,363 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:18:23,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:18:23,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:18:23,366 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:18:23,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:18:23,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:18:23,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:18:23,376 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:18:23,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:18:23,377 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:18:23,378 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:18:23,388 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:18:23,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:18:23,390 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:18:23,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:18:23,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:18:23,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:18:23,402 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:18:23,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:18:23,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:18:23,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:18:23,409 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:18:23,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:18:23,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:18:23,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:18:23,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:18:23,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:18:23,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:18:23,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:18:23,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:18:23,419 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:18:23,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:18:23,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:18:23,422 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 18:18:23,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:18:23,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:18:23,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:18:23,450 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:18:23,450 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:18:23,450 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:18:23,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:18:23,451 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:18:23,451 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:18:23,451 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:18:23,451 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:18:23,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:18:23,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:18:23,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:18:23,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:18:23,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:18:23,455 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:18:23,455 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:18:23,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:18:23,456 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:18:23,456 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:18:23,456 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:18:23,456 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:18:23,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:18:23,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:18:23,457 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:18:23,457 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:18:23,457 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:18:23,458 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:18:23,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:18:23,458 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:18:23,458 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:18:23,459 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:18:23,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:18:23,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:18:23,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:18:23,555 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:18:23,556 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:18:23,556 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c [2018-09-14 18:18:23,938 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047ded414/4a726811bb434df0966f95f62c4615f2/FLAG6293f90f3 [2018-09-14 18:18:24,530 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:18:24,531 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c [2018-09-14 18:18:24,574 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047ded414/4a726811bb434df0966f95f62c4615f2/FLAG6293f90f3 [2018-09-14 18:18:24,590 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047ded414/4a726811bb434df0966f95f62c4615f2 [2018-09-14 18:18:24,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:18:24,605 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:18:24,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:18:24,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:18:24,615 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:18:24,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:18:24" (1/1) ... [2018-09-14 18:18:24,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ecc5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:24, skipping insertion in model container [2018-09-14 18:18:24,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:18:24" (1/1) ... [2018-09-14 18:18:24,633 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:18:26,533 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:18:26,551 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:18:27,618 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:18:28,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28 WrapperNode [2018-09-14 18:18:28,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:18:28,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:18:28,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:18:28,160 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:18:28,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:28,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:28,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:18:28,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:18:28,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:18:28,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:18:29,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:29,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:29,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:29,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:29,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:29,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:30,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (1/1) ... [2018-09-14 18:18:30,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:18:30,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:18:30,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:18:30,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:18:30,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (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 18:18:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:18:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:18:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:18:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:18:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:18:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:18:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:18:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:18:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:18:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:18:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:18:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:18:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:18:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:18:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:18:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:18:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:18:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:18:48,925 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:18:48,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:18:48 BoogieIcfgContainer [2018-09-14 18:18:48,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:18:48,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:18:48,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:18:48,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:18:48,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:18:24" (1/3) ... [2018-09-14 18:18:48,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52aebef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:18:48, skipping insertion in model container [2018-09-14 18:18:48,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:18:28" (2/3) ... [2018-09-14 18:18:48,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52aebef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:18:48, skipping insertion in model container [2018-09-14 18:18:48,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:18:48" (3/3) ... [2018-09-14 18:18:48,934 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label03_true-unreach-call.c [2018-09-14 18:18:48,944 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:18:48,958 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:18:49,031 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:18:49,032 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:18:49,032 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:18:49,032 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:18:49,033 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:18:49,033 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:18:49,033 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:18:49,033 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:18:49,033 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:18:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:18:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-14 18:18:49,115 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:18:49,116 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] [2018-09-14 18:18:49,119 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:18:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash 133851852, now seen corresponding path program 1 times [2018-09-14 18:18:49,128 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:18:49,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:18:49,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:18:49,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:18:49,183 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:18:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:18:49,679 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:18:49,783 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 18:18:49,786 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:18:49,786 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:18:49,787 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:18:49,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:18:49,810 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:18:49,811 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:18:49,814 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:19:07,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:19:07,189 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-09-14 18:19:07,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:19:07,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-09-14 18:19:07,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:19:07,246 INFO L225 Difference]: With dead ends: 4995 [2018-09-14 18:19:07,246 INFO L226 Difference]: Without dead ends: 3215 [2018-09-14 18:19:07,260 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 [2018-09-14 18:19:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-09-14 18:19:07,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-09-14 18:19:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-09-14 18:19:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-09-14 18:19:07,481 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 64 [2018-09-14 18:19:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:19:07,484 INFO L480 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-09-14 18:19:07,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:19:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-09-14 18:19:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-14 18:19:07,493 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:19:07,494 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, 1, 1, 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 18:19:07,494 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:19:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash 14479215, now seen corresponding path program 1 times [2018-09-14 18:19:07,495 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:19:07,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:19:07,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:19:07,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:19:07,502 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:19:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:19:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:19:07,939 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:19:07,939 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:19:07,939 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:19:07,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:19:07,942 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:19:07,942 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:19:07,943 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 5 states. [2018-09-14 18:19:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:19:52,146 INFO L93 Difference]: Finished difference Result 12254 states and 22711 transitions. [2018-09-14 18:19:52,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:19:52,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-09-14 18:19:52,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:19:52,206 INFO L225 Difference]: With dead ends: 12254 [2018-09-14 18:19:52,206 INFO L226 Difference]: Without dead ends: 9047 [2018-09-14 18:19:52,224 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 [2018-09-14 18:19:52,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9047 states. [2018-09-14 18:19:52,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9047 to 8967. [2018-09-14 18:19:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8967 states. [2018-09-14 18:19:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8967 states to 8967 states and 13249 transitions. [2018-09-14 18:19:52,538 INFO L78 Accepts]: Start accepts. Automaton has 8967 states and 13249 transitions. Word has length 138 [2018-09-14 18:19:52,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:19:52,539 INFO L480 AbstractCegarLoop]: Abstraction has 8967 states and 13249 transitions. [2018-09-14 18:19:52,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:19:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 8967 states and 13249 transitions. [2018-09-14 18:19:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-14 18:19:52,545 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:19:52,545 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, 1, 1, 1, 1, 1, 1, 1, 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 18:19:52,545 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:19:52,546 INFO L82 PathProgramCache]: Analyzing trace with hash -653061339, now seen corresponding path program 1 times [2018-09-14 18:19:52,546 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:19:52,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:19:52,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:19:52,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:19:52,548 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:19:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:19:52,821 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:19:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:19:53,290 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:19:53,291 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:19:53,291 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:19:53,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:19:53,292 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:19:53,293 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:19:53,293 INFO L87 Difference]: Start difference. First operand 8967 states and 13249 transitions. Second operand 6 states. [2018-09-14 18:20:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:20:12,661 INFO L93 Difference]: Finished difference Result 21273 states and 31977 transitions. [2018-09-14 18:20:12,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:20:12,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-09-14 18:20:12,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:20:12,724 INFO L225 Difference]: With dead ends: 21273 [2018-09-14 18:20:12,725 INFO L226 Difference]: Without dead ends: 12312 [2018-09-14 18:20:12,752 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:20:12,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12312 states. [2018-09-14 18:20:13,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12312 to 12133. [2018-09-14 18:20:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12133 states. [2018-09-14 18:20:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12133 states to 12133 states and 17334 transitions. [2018-09-14 18:20:13,344 INFO L78 Accepts]: Start accepts. Automaton has 12133 states and 17334 transitions. Word has length 143 [2018-09-14 18:20:13,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:20:13,344 INFO L480 AbstractCegarLoop]: Abstraction has 12133 states and 17334 transitions. [2018-09-14 18:20:13,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:20:13,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12133 states and 17334 transitions. [2018-09-14 18:20:13,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-14 18:20:13,349 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:20:13,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:13,350 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:20:13,350 INFO L82 PathProgramCache]: Analyzing trace with hash -755922849, now seen corresponding path program 1 times [2018-09-14 18:20:13,352 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:20:13,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:13,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:20:13,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:13,353 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:20:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:20:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:20:13,836 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:20:13,836 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:20:13,836 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:20:13,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:20:13,837 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:20:13,837 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:20:13,837 INFO L87 Difference]: Start difference. First operand 12133 states and 17334 transitions. Second operand 6 states. [2018-09-14 18:20:38,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:20:38,468 INFO L93 Difference]: Finished difference Result 36976 states and 53989 transitions. [2018-09-14 18:20:38,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-14 18:20:38,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-09-14 18:20:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:20:38,568 INFO L225 Difference]: With dead ends: 36976 [2018-09-14 18:20:38,568 INFO L226 Difference]: Without dead ends: 24849 [2018-09-14 18:20:38,609 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:20:38,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24849 states. [2018-09-14 18:20:39,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24849 to 24478. [2018-09-14 18:20:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24478 states. [2018-09-14 18:20:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24478 states to 24478 states and 34289 transitions. [2018-09-14 18:20:39,152 INFO L78 Accepts]: Start accepts. Automaton has 24478 states and 34289 transitions. Word has length 146 [2018-09-14 18:20:39,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:20:39,152 INFO L480 AbstractCegarLoop]: Abstraction has 24478 states and 34289 transitions. [2018-09-14 18:20:39,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:20:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 24478 states and 34289 transitions. [2018-09-14 18:20:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-14 18:20:39,159 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:20:39,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:39,160 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:20:39,160 INFO L82 PathProgramCache]: Analyzing trace with hash 722276937, now seen corresponding path program 1 times [2018-09-14 18:20:39,160 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:20:39,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:39,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:20:39,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:39,162 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:20:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:20:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:20:39,523 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:20:39,523 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:20:39,523 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:20:39,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:20:39,524 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:20:39,524 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:20:39,524 INFO L87 Difference]: Start difference. First operand 24478 states and 34289 transitions. Second operand 5 states. [2018-09-14 18:21:07,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:21:07,494 INFO L93 Difference]: Finished difference Result 75835 states and 109217 transitions. [2018-09-14 18:21:07,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:21:07,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2018-09-14 18:21:07,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:21:07,667 INFO L225 Difference]: With dead ends: 75835 [2018-09-14 18:21:07,667 INFO L226 Difference]: Without dead ends: 51363 [2018-09-14 18:21:07,752 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 [2018-09-14 18:21:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51363 states. [2018-09-14 18:21:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51363 to 49478. [2018-09-14 18:21:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49478 states. [2018-09-14 18:21:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49478 states to 49478 states and 64134 transitions. [2018-09-14 18:21:08,658 INFO L78 Accepts]: Start accepts. Automaton has 49478 states and 64134 transitions. Word has length 166 [2018-09-14 18:21:08,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:21:08,659 INFO L480 AbstractCegarLoop]: Abstraction has 49478 states and 64134 transitions. [2018-09-14 18:21:08,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:21:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 49478 states and 64134 transitions. [2018-09-14 18:21:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-09-14 18:21:08,664 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:21:08,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:08,665 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:21:08,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1227003421, now seen corresponding path program 1 times [2018-09-14 18:21:08,665 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:21:08,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:08,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:08,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:08,669 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:21:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:08,966 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:21:08,967 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:21:08,967 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:21:08,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:21:08,968 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:21:08,968 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:21:08,969 INFO L87 Difference]: Start difference. First operand 49478 states and 64134 transitions. Second operand 4 states. [2018-09-14 18:21:30,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:21:30,470 INFO L93 Difference]: Finished difference Result 184612 states and 256985 transitions. [2018-09-14 18:21:30,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:21:30,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 276 [2018-09-14 18:21:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:21:30,974 INFO L225 Difference]: With dead ends: 184612 [2018-09-14 18:21:30,975 INFO L226 Difference]: Without dead ends: 135140 [2018-09-14 18:21:31,117 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 [2018-09-14 18:21:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135140 states. [2018-09-14 18:21:33,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135140 to 134658. [2018-09-14 18:21:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134658 states. [2018-09-14 18:21:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134658 states to 134658 states and 178818 transitions. [2018-09-14 18:21:34,392 INFO L78 Accepts]: Start accepts. Automaton has 134658 states and 178818 transitions. Word has length 276 [2018-09-14 18:21:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:21:34,393 INFO L480 AbstractCegarLoop]: Abstraction has 134658 states and 178818 transitions. [2018-09-14 18:21:34,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:21:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 134658 states and 178818 transitions. [2018-09-14 18:21:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2018-09-14 18:21:34,419 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:21:34,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:34,421 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:21:34,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1689510196, now seen corresponding path program 1 times [2018-09-14 18:21:34,421 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:21:34,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:34,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:34,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:34,423 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:21:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:35,336 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:21:35,336 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 18:21:35,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:35,347 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:21:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:35,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:21:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:37,839 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:21:38,276 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-09-14 18:21:38,440 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-09-14 18:21:39,254 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2018-09-14 18:21:39,872 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-14 18:21:40,116 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2018-09-14 18:21:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:43,067 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:21:43,067 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [7] total 13 [2018-09-14 18:21:43,067 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:21:43,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:21:43,069 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:21:43,070 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-09-14 18:21:43,070 INFO L87 Difference]: Start difference. First operand 134658 states and 178818 transitions. Second operand 5 states. [2018-09-14 18:21:55,772 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-14 18:22:12,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:22:12,991 INFO L93 Difference]: Finished difference Result 293681 states and 391102 transitions. [2018-09-14 18:22:12,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-14 18:22:12,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 691 [2018-09-14 18:22:12,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:22:13,820 INFO L225 Difference]: With dead ends: 293681 [2018-09-14 18:22:13,821 INFO L226 Difference]: Without dead ends: 159029 [2018-09-14 18:22:14,203 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1398 GetRequests, 1379 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-14 18:22:14,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159029 states. [2018-09-14 18:22:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159029 to 157702. [2018-09-14 18:22:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157702 states. Received shutdown request... [2018-09-14 18:22:18,684 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:22:18,691 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:22:18,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:22:18 BoogieIcfgContainer [2018-09-14 18:22:18,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:22:18,693 INFO L168 Benchmark]: Toolchain (without parser) took 234091.25 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -534.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-09-14 18:22:18,695 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. [2018-09-14 18:22:18,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3553.14 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 185.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -110.3 MB). Peak memory consumption was 487.2 MB. Max. memory is 7.1 GB. [2018-09-14 18:22:18,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 388.42 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: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:22:18,697 INFO L168 Benchmark]: Boogie Preprocessor took 1610.85 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 869.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -888.9 MB). Peak memory consumption was 128.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:22:18,699 INFO L168 Benchmark]: RCFGBuilder took 18766.47 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 233.8 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 177.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:22:18,700 INFO L168 Benchmark]: TraceAbstraction took 209765.29 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 963.6 MB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 223.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-14 18:22:18,709 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 3553.14 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 185.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -110.3 MB). Peak memory consumption was 487.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 388.42 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: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1610.85 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 869.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -888.9 MB). Peak memory consumption was 128.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18766.47 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 233.8 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 177.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 209765.29 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 963.6 MB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 223.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 187]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 187). Cancelled while ReachableStatesComputation was computing reachable states (157702 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.6s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 187.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3788 SDtfs, 35669 SDslu, 4377 SDs, 0 SdLazy, 63566 SolverSat, 14654 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 163.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 1395 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134658occurred 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: 10.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 2999 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 2315 NumberOfCodeBlocks, 2315 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2997 ConstructedInterpolants, 0 QuantifiedInterpolants, 17171200 SizeOfPredicates, 5 NumberOfNonLiveVariables, 905 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 399/456 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_label03_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-22-18-734.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label03_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-22-18-734.csv Completed graceful shutdown