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_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:37:04,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:37:04,201 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:37:04,217 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:37:04,217 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:37:04,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:37:04,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:37:04,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:37:04,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:37:04,228 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:37:04,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:37:04,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:37:04,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:37:04,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:37:04,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:37:04,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:37:04,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:37:04,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:37:04,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:37:04,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:37:04,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:37:04,244 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:37:04,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:37:04,250 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:37:04,250 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:37:04,251 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:37:04,252 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:37:04,256 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:37:04,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:37:04,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:37:04,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:37:04,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:37:04,261 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:37:04,262 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:37:04,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:37:04,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:37:04,266 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 12:37:04,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:37:04,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:37:04,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:37:04,295 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:37:04,295 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:37:04,298 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:37:04,298 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:37:04,298 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:37:04,299 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:37:04,299 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:37:04,299 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:37:04,299 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:37:04,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:37:04,300 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:37:04,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:37:04,302 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:37:04,302 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:37:04,302 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:37:04,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:37:04,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:37:04,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:37:04,303 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:37:04,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:37:04,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:37:04,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:37:04,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:37:04,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:37:04,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:37:04,304 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:37:04,304 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:37:04,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:37:04,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:37:04,305 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:37:04,305 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:37:04,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:37:04,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:37:04,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:37:04,389 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:37:04,390 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:37:04,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-09-18 12:37:04,741 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28dba134c/8ef8aaf48055409bb910dcfc1b69926e/FLAG1f4cd7ce5 [2018-09-18 12:37:05,360 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:37:05,361 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-09-18 12:37:05,409 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28dba134c/8ef8aaf48055409bb910dcfc1b69926e/FLAG1f4cd7ce5 [2018-09-18 12:37:05,433 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28dba134c/8ef8aaf48055409bb910dcfc1b69926e [2018-09-18 12:37:05,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:37:05,452 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:37:05,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:37:05,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:37:05,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:37:05,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:37:05" (1/1) ... [2018-09-18 12:37:05,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359f2bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:05, skipping insertion in model container [2018-09-18 12:37:05,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:37:05" (1/1) ... [2018-09-18 12:37:05,481 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:37:07,476 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:37:07,498 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:37:08,564 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:37:09,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09 WrapperNode [2018-09-18 12:37:09,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:37:09,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:37:09,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:37:09,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:37:09,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:09,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:10,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:37:10,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:37:10,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:37:10,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:37:10,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:10,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:10,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:10,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:11,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:11,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:11,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... [2018-09-18 12:37:11,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:37:11,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:37:11,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:37:11,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:37:11,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:37:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:37:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:37:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:37:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:37:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:37:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:37:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:37:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:37:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:37:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:37:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:37:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:37:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:37:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:37:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:37:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:37:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:37:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:37:28,701 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:37:28,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:37:28 BoogieIcfgContainer [2018-09-18 12:37:28,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:37:28,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:37:28,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:37:28,707 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:37:28,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:37:05" (1/3) ... [2018-09-18 12:37:28,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312a5915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:37:28, skipping insertion in model container [2018-09-18 12:37:28,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:37:09" (2/3) ... [2018-09-18 12:37:28,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312a5915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:37:28, skipping insertion in model container [2018-09-18 12:37:28,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:37:28" (3/3) ... [2018-09-18 12:37:28,710 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-09-18 12:37:28,720 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:37:28,731 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:37:28,803 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:37:28,804 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:37:28,804 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:37:28,804 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:37:28,805 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:37:28,805 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:37:28,805 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:37:28,805 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:37:28,805 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:37:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:37:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-18 12:37:28,870 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:28,871 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] [2018-09-18 12:37:28,872 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:28,876 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-09-18 12:37:28,878 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:28,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:28,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:28,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:28,936 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:29,377 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:37:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:37:29,475 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:37:29,475 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:37:29,475 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:29,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:37:29,498 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:37:29,499 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:37:29,502 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:37:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:47,060 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-18 12:37:47,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:37:47,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-09-18 12:37:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:47,108 INFO L225 Difference]: With dead ends: 4998 [2018-09-18 12:37:47,108 INFO L226 Difference]: Without dead ends: 3218 [2018-09-18 12:37:47,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:37:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-18 12:37:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-18 12:37:47,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-18 12:37:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-18 12:37:47,316 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-09-18 12:37:47,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:47,317 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-18 12:37:47,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:37:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-18 12:37:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-18 12:37:47,329 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:47,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:37:47,330 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:47,330 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-09-18 12:37:47,330 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:47,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:47,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:47,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:47,332 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:37:47,667 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:37:47,668 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:37:47,668 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:47,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:37:47,670 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:37:47,670 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:37:47,671 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-18 12:38:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:38:14,703 INFO L93 Difference]: Finished difference Result 9355 states and 16962 transitions. [2018-09-18 12:38:14,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:38:14,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-09-18 12:38:14,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:38:14,748 INFO L225 Difference]: With dead ends: 9355 [2018-09-18 12:38:14,749 INFO L226 Difference]: Without dead ends: 6146 [2018-09-18 12:38:14,761 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:38:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6146 states. [2018-09-18 12:38:14,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6146 to 6103. [2018-09-18 12:38:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6103 states. [2018-09-18 12:38:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6103 states to 6103 states and 9651 transitions. [2018-09-18 12:38:14,914 INFO L78 Accepts]: Start accepts. Automaton has 6103 states and 9651 transitions. Word has length 135 [2018-09-18 12:38:14,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:38:14,915 INFO L480 AbstractCegarLoop]: Abstraction has 6103 states and 9651 transitions. [2018-09-18 12:38:14,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:38:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6103 states and 9651 transitions. [2018-09-18 12:38:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-18 12:38:14,920 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:38:14,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:38:14,920 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:38:14,921 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-09-18 12:38:14,921 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:38:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:14,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:38:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:14,922 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:38:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:38:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:38:15,132 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:38:15,132 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:38:15,133 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:38:15,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:38:15,134 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:38:15,134 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:38:15,135 INFO L87 Difference]: Start difference. First operand 6103 states and 9651 transitions. Second operand 6 states. [2018-09-18 12:38:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:38:43,363 INFO L93 Difference]: Finished difference Result 21115 states and 34262 transitions. [2018-09-18 12:38:43,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:38:43,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-09-18 12:38:43,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:38:43,444 INFO L225 Difference]: With dead ends: 21115 [2018-09-18 12:38:43,450 INFO L226 Difference]: Without dead ends: 15018 [2018-09-18 12:38:43,475 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:38:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2018-09-18 12:38:43,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14829. [2018-09-18 12:38:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14829 states. [2018-09-18 12:38:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14829 states to 14829 states and 22438 transitions. [2018-09-18 12:38:43,857 INFO L78 Accepts]: Start accepts. Automaton has 14829 states and 22438 transitions. Word has length 137 [2018-09-18 12:38:43,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:38:43,858 INFO L480 AbstractCegarLoop]: Abstraction has 14829 states and 22438 transitions. [2018-09-18 12:38:43,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:38:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 14829 states and 22438 transitions. [2018-09-18 12:38:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-18 12:38:43,866 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:38:43,867 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:38:43,867 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:38:43,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-09-18 12:38:43,868 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:38:43,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:43,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:38:43,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:43,870 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:38:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:38:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:38:44,242 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:38:44,242 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:38:44,242 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:38:44,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:38:44,243 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:38:44,243 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:38:44,244 INFO L87 Difference]: Start difference. First operand 14829 states and 22438 transitions. Second operand 6 states. [2018-09-18 12:39:36,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:39:36,515 INFO L93 Difference]: Finished difference Result 58707 states and 93410 transitions. [2018-09-18 12:39:36,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:39:36,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-09-18 12:39:36,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:39:36,677 INFO L225 Difference]: With dead ends: 58707 [2018-09-18 12:39:36,678 INFO L226 Difference]: Without dead ends: 43884 [2018-09-18 12:39:36,752 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-18 12:39:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43884 states. [2018-09-18 12:39:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43884 to 43792. [2018-09-18 12:39:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43792 states. [2018-09-18 12:39:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43792 states to 43792 states and 63287 transitions. [2018-09-18 12:39:37,657 INFO L78 Accepts]: Start accepts. Automaton has 43792 states and 63287 transitions. Word has length 159 [2018-09-18 12:39:37,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:39:37,658 INFO L480 AbstractCegarLoop]: Abstraction has 43792 states and 63287 transitions. [2018-09-18 12:39:37,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:39:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 43792 states and 63287 transitions. [2018-09-18 12:39:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-18 12:39:37,664 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:39:37,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:39:37,665 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:39:37,665 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-09-18 12:39:37,665 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:39:37,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:39:37,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:39:37,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:39:37,666 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:39:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:39:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:39:38,013 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:39:38,013 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:39:38,014 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:39:38,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:39:38,014 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:39:38,015 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:39:38,015 INFO L87 Difference]: Start difference. First operand 43792 states and 63287 transitions. Second operand 5 states. [2018-09-18 12:40:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:40:05,052 INFO L93 Difference]: Finished difference Result 132731 states and 204489 transitions. [2018-09-18 12:40:05,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:40:05,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-09-18 12:40:05,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:40:05,330 INFO L225 Difference]: With dead ends: 132731 [2018-09-18 12:40:05,331 INFO L226 Difference]: Without dead ends: 88945 [2018-09-18 12:40:05,423 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:40:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88945 states. [2018-09-18 12:40:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88945 to 88225. [2018-09-18 12:40:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88225 states. [2018-09-18 12:40:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88225 states to 88225 states and 122136 transitions. [2018-09-18 12:40:07,081 INFO L78 Accepts]: Start accepts. Automaton has 88225 states and 122136 transitions. Word has length 168 [2018-09-18 12:40:07,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:40:07,081 INFO L480 AbstractCegarLoop]: Abstraction has 88225 states and 122136 transitions. [2018-09-18 12:40:07,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:40:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 88225 states and 122136 transitions. [2018-09-18 12:40:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-18 12:40:07,090 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:40:07,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:40:07,090 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:40:07,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-09-18 12:40:07,091 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:40:07,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:40:07,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:40:07,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:40:07,092 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:40:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:40:07,397 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:40:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:40:07,787 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:40:07,787 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:40:07,787 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:40:07,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:40:07,788 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:40:07,788 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:40:07,789 INFO L87 Difference]: Start difference. First operand 88225 states and 122136 transitions. Second operand 6 states. [2018-09-18 12:40:33,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:40:33,184 INFO L93 Difference]: Finished difference Result 210933 states and 310680 transitions. [2018-09-18 12:40:33,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:40:33,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-09-18 12:40:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:40:33,559 INFO L225 Difference]: With dead ends: 210933 [2018-09-18 12:40:33,559 INFO L226 Difference]: Without dead ends: 122714 [2018-09-18 12:40:33,731 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:40:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122714 states. [2018-09-18 12:40:36,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122714 to 122359. [2018-09-18 12:40:36,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122359 states. [2018-09-18 12:40:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122359 states to 122359 states and 167504 transitions. [2018-09-18 12:40:36,360 INFO L78 Accepts]: Start accepts. Automaton has 122359 states and 167504 transitions. Word has length 196 [2018-09-18 12:40:36,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:40:36,361 INFO L480 AbstractCegarLoop]: Abstraction has 122359 states and 167504 transitions. [2018-09-18 12:40:36,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:40:36,361 INFO L276 IsEmpty]: Start isEmpty. Operand 122359 states and 167504 transitions. [2018-09-18 12:40:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-09-18 12:40:36,372 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:40:36,372 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, 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] [2018-09-18 12:40:36,372 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:40:36,373 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-09-18 12:40:36,373 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:40:36,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:40:36,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:40:36,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:40:36,374 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:40:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:40:36,642 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:40:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:40:37,029 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:40:37,029 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) [2018-09-18 12:40:37,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:40:37,046 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:40:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:40:37,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:40:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:40:37,339 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:40:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:40:37,565 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 12:40:37,565 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-18 12:40:37,566 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:40:37,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:40:37,567 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:40:37,567 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:40:37,567 INFO L87 Difference]: Start difference. First operand 122359 states and 167504 transitions. Second operand 3 states. [2018-09-18 12:40:56,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:40:56,306 INFO L93 Difference]: Finished difference Result 294253 states and 417990 transitions. [2018-09-18 12:40:56,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:40:56,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2018-09-18 12:40:56,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:40:56,986 INFO L225 Difference]: With dead ends: 294253 [2018-09-18 12:40:56,986 INFO L226 Difference]: Without dead ends: 171900 [2018-09-18 12:40:57,318 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 467 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:40:57,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171900 states. [2018-09-18 12:41:02,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171900 to 171732. [2018-09-18 12:41:02,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171732 states. [2018-09-18 12:41:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171732 states to 171732 states and 229687 transitions. [2018-09-18 12:41:02,756 INFO L78 Accepts]: Start accepts. Automaton has 171732 states and 229687 transitions. Word has length 234 [2018-09-18 12:41:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:41:02,756 INFO L480 AbstractCegarLoop]: Abstraction has 171732 states and 229687 transitions. [2018-09-18 12:41:02,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:41:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 171732 states and 229687 transitions. [2018-09-18 12:41:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-09-18 12:41:02,769 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:41:02,769 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, 2, 2, 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] [2018-09-18 12:41:02,770 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:41:02,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1993061356, now seen corresponding path program 1 times [2018-09-18 12:41:02,770 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:41:02,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:41:02,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:41:02,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:41:02,771 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:41:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-18 12:41:02,836 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$0(Interpolator.java:233) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:130) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-18 12:41:02,848 INFO L168 Benchmark]: Toolchain (without parser) took 237397.50 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 182.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-18 12:41:02,851 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:41:02,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3800.77 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 199.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -112.7 MB). Peak memory consumption was 485.0 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:02,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 1419.36 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 816.8 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -849.9 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:02,853 INFO L168 Benchmark]: Boogie Preprocessor took 684.09 ms. Allocated memory is still 2.6 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:02,854 INFO L168 Benchmark]: RCFGBuilder took 17344.38 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 294.6 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 88.5 MB). Peak memory consumption was 970.4 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:02,857 INFO L168 Benchmark]: TraceAbstraction took 214142.41 ms. Allocated memory was 2.9 GB in the beginning and 3.3 GB in the end (delta: 449.8 MB). Free memory was 2.2 GB in the beginning and 1.2 GB in the end (delta: 977.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:41:02,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3800.77 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 199.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -112.7 MB). Peak memory consumption was 485.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1419.36 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 816.8 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -849.9 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 684.09 ms. Allocated memory is still 2.6 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17344.38 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 294.6 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 88.5 MB). Peak memory consumption was 970.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214142.41 ms. Allocated memory was 2.9 GB in the beginning and 3.3 GB in the end (delta: 449.8 MB). Free memory was 2.2 GB in the beginning and 1.2 GB in the end (delta: 977.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label57_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-41-02-892.csv Completed graceful shutdown