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_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:27:42,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:27:42,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:27:42,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:27:42,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:27:42,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:27:42,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:27:42,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:27:42,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:27:42,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:27:42,164 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:27:42,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:27:42,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:27:42,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:27:42,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:27:42,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:27:42,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:27:42,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:27:42,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:27:42,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:27:42,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:27:42,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:27:42,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:27:42,179 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:27:42,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:27:42,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:27:42,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:27:42,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:27:42,187 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:27:42,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:27:42,189 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:27:42,189 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:27:42,190 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:27:42,190 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:27:42,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:27:42,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:27:42,194 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 12:27:42,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:27:42,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:27:42,232 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:27:42,232 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:27:42,232 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:27:42,232 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:27:42,232 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:27:42,233 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:27:42,233 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:27:42,233 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:27:42,233 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:27:42,233 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:27:42,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:27:42,234 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:27:42,234 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:27:42,235 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:27:42,235 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:27:42,235 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:27:42,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:27:42,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:27:42,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:27:42,236 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:27:42,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:27:42,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:27:42,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:27:42,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:27:42,238 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:27:42,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:27:42,238 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:27:42,238 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:27:42,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:27:42,239 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:27:42,239 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:27:42,239 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:27:42,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:27:42,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:27:42,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:27:42,313 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:27:42,314 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:27:42,315 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label00_true-unreach-call.c [2018-09-18 12:27:42,715 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37484952b/c0b6ea82cb714e63a357541101baa098/FLAG65d7916d2 [2018-09-18 12:27:43,288 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:27:43,289 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label00_true-unreach-call.c [2018-09-18 12:27:43,335 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37484952b/c0b6ea82cb714e63a357541101baa098/FLAG65d7916d2 [2018-09-18 12:27:43,351 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37484952b/c0b6ea82cb714e63a357541101baa098 [2018-09-18 12:27:43,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:27:43,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:27:43,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:27:43,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:27:43,377 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:27:43,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:27:43" (1/1) ... [2018-09-18 12:27:43,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:43, skipping insertion in model container [2018-09-18 12:27:43,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:27:43" (1/1) ... [2018-09-18 12:27:43,395 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:27:45,461 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:27:45,483 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:27:46,627 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:27:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47 WrapperNode [2018-09-18 12:27:47,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:27:47,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:27:47,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:27:47,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:27:47,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:47,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:47,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:27:47,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:27:47,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:27:47,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:27:48,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:48,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:49,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:49,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:49,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:49,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:49,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (1/1) ... [2018-09-18 12:27:49,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:27:49,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:27:49,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:27:49,696 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:27:49,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (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 12:27:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:27:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:27:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:27:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:27:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:27:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:27:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:27:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:27:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:27:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:27:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:27:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:27:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:27:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:27:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:27:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:27:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:27:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:28:09,437 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:28:09,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:28:09 BoogieIcfgContainer [2018-09-18 12:28:09,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:28:09,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:28:09,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:28:09,442 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:28:09,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:27:43" (1/3) ... [2018-09-18 12:28:09,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea5ca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:28:09, skipping insertion in model container [2018-09-18 12:28:09,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:27:47" (2/3) ... [2018-09-18 12:28:09,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea5ca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:28:09, skipping insertion in model container [2018-09-18 12:28:09,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:28:09" (3/3) ... [2018-09-18 12:28:09,446 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label00_true-unreach-call.c [2018-09-18 12:28:09,456 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:28:09,466 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:28:09,533 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:28:09,534 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:28:09,534 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:28:09,534 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:28:09,534 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:28:09,534 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:28:09,535 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:28:09,535 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:28:09,535 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:28:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:28:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-18 12:28:09,597 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:28:09,598 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] [2018-09-18 12:28:09,599 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:28:09,605 INFO L82 PathProgramCache]: Analyzing trace with hash 367112186, now seen corresponding path program 1 times [2018-09-18 12:28:09,608 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:28:09,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:09,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:28:09,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:09,663 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:28:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:28:10,074 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:28:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:28:10,231 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:28:10,232 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:28:10,232 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:28:10,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:28:10,269 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:28:10,269 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:28:10,272 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:28:29,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:28:29,939 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-09-18 12:28:29,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:28:29,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-09-18 12:28:29,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:28:29,994 INFO L225 Difference]: With dead ends: 4995 [2018-09-18 12:28:29,994 INFO L226 Difference]: Without dead ends: 3215 [2018-09-18 12:28:30,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:28:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-09-18 12:28:30,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-09-18 12:28:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-09-18 12:28:30,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-09-18 12:28:30,212 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 47 [2018-09-18 12:28:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:28:30,216 INFO L480 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-09-18 12:28:30,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:28:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-09-18 12:28:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-18 12:28:30,226 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:28:30,228 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:28:30,228 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:28:30,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1856794282, now seen corresponding path program 1 times [2018-09-18 12:28:30,229 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:28:30,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:30,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:28:30,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:28:30,236 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:28:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:28:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:28:30,681 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:28:30,681 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:28:30,682 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:28:30,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:28:30,684 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:28:30,684 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:28:30,685 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 5 states. [2018-09-18 12:29:14,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:29:14,984 INFO L93 Difference]: Finished difference Result 12254 states and 22711 transitions. [2018-09-18 12:29:14,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:29:14,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-09-18 12:29:14,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:29:15,045 INFO L225 Difference]: With dead ends: 12254 [2018-09-18 12:29:15,045 INFO L226 Difference]: Without dead ends: 9047 [2018-09-18 12:29:15,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:29:15,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9047 states. [2018-09-18 12:29:15,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9047 to 8967. [2018-09-18 12:29:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8967 states. [2018-09-18 12:29:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8967 states to 8967 states and 13249 transitions. [2018-09-18 12:29:15,350 INFO L78 Accepts]: Start accepts. Automaton has 8967 states and 13249 transitions. Word has length 121 [2018-09-18 12:29:15,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:29:15,351 INFO L480 AbstractCegarLoop]: Abstraction has 8967 states and 13249 transitions. [2018-09-18 12:29:15,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:29:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 8967 states and 13249 transitions. [2018-09-18 12:29:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-18 12:29:15,356 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:29:15,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:29:15,357 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:29:15,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1738308994, now seen corresponding path program 1 times [2018-09-18 12:29:15,358 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:29:15,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:15,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:29:15,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:15,359 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:29:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:29:15,676 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:29:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:29:15,836 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:29:15,836 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:29:15,836 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:29:15,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:29:15,837 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:29:15,837 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:29:15,838 INFO L87 Difference]: Start difference. First operand 8967 states and 13249 transitions. Second operand 6 states. [2018-09-18 12:29:37,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:29:37,351 INFO L93 Difference]: Finished difference Result 22680 states and 34999 transitions. [2018-09-18 12:29:37,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:29:37,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-09-18 12:29:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:29:37,428 INFO L225 Difference]: With dead ends: 22680 [2018-09-18 12:29:37,428 INFO L226 Difference]: Without dead ends: 13719 [2018-09-18 12:29:37,454 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 12:29:37,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2018-09-18 12:29:37,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 13554. [2018-09-18 12:29:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13554 states. [2018-09-18 12:29:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13554 states to 13554 states and 20311 transitions. [2018-09-18 12:29:37,828 INFO L78 Accepts]: Start accepts. Automaton has 13554 states and 20311 transitions. Word has length 126 [2018-09-18 12:29:37,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:29:37,828 INFO L480 AbstractCegarLoop]: Abstraction has 13554 states and 20311 transitions. [2018-09-18 12:29:37,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:29:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13554 states and 20311 transitions. [2018-09-18 12:29:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-18 12:29:37,832 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:29:37,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:29:37,838 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:29:37,838 INFO L82 PathProgramCache]: Analyzing trace with hash -2082641050, now seen corresponding path program 1 times [2018-09-18 12:29:37,838 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:29:37,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:37,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:29:37,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:29:37,840 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:29:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:29:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:29:38,324 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:29:38,325 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:29:38,325 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:29:38,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:29:38,326 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:29:38,326 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:29:38,327 INFO L87 Difference]: Start difference. First operand 13554 states and 20311 transitions. Second operand 6 states. [2018-09-18 12:30:05,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:05,939 INFO L93 Difference]: Finished difference Result 41247 states and 63391 transitions. [2018-09-18 12:30:05,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-18 12:30:05,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-09-18 12:30:05,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:06,046 INFO L225 Difference]: With dead ends: 41247 [2018-09-18 12:30:06,047 INFO L226 Difference]: Without dead ends: 27699 [2018-09-18 12:30:06,096 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:30:06,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27699 states. [2018-09-18 12:30:06,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27699 to 27326. [2018-09-18 12:30:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27326 states. [2018-09-18 12:30:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27326 states to 27326 states and 40166 transitions. [2018-09-18 12:30:06,683 INFO L78 Accepts]: Start accepts. Automaton has 27326 states and 40166 transitions. Word has length 129 [2018-09-18 12:30:06,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:30:06,683 INFO L480 AbstractCegarLoop]: Abstraction has 27326 states and 40166 transitions. [2018-09-18 12:30:06,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:30:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 27326 states and 40166 transitions. [2018-09-18 12:30:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-18 12:30:06,689 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:06,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:30:06,690 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:06,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1549730492, now seen corresponding path program 1 times [2018-09-18 12:30:06,690 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:06,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:06,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:06,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:06,692 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:30:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:30:07,023 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:30:07,023 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:30:07,023 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:30:07,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:30:07,024 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:30:07,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:30:07,024 INFO L87 Difference]: Start difference. First operand 27326 states and 40166 transitions. Second operand 5 states. [2018-09-18 12:30:35,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:35,272 INFO L93 Difference]: Finished difference Result 81485 states and 121332 transitions. [2018-09-18 12:30:35,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:30:35,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-09-18 12:30:35,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:35,467 INFO L225 Difference]: With dead ends: 81485 [2018-09-18 12:30:35,468 INFO L226 Difference]: Without dead ends: 54165 [2018-09-18 12:30:35,534 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:30:35,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54165 states. [2018-09-18 12:30:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54165 to 52284. [2018-09-18 12:30:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52284 states. [2018-09-18 12:30:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52284 states to 52284 states and 68053 transitions. [2018-09-18 12:30:36,527 INFO L78 Accepts]: Start accepts. Automaton has 52284 states and 68053 transitions. Word has length 149 [2018-09-18 12:30:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:30:36,528 INFO L480 AbstractCegarLoop]: Abstraction has 52284 states and 68053 transitions. [2018-09-18 12:30:36,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:30:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 52284 states and 68053 transitions. [2018-09-18 12:30:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-09-18 12:30:36,533 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:36,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:30:36,533 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:36,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1873414750, now seen corresponding path program 1 times [2018-09-18 12:30:36,534 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:36,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:36,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:36,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:36,535 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:30:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:30:36,856 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:30:36,857 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:30:36,857 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:30:36,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:30:36,858 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:30:36,858 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:30:36,858 INFO L87 Difference]: Start difference. First operand 52284 states and 68053 transitions. Second operand 4 states. [2018-09-18 12:30:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:56,879 INFO L93 Difference]: Finished difference Result 185933 states and 260913 transitions. [2018-09-18 12:30:56,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:30:56,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 259 [2018-09-18 12:30:56,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:57,281 INFO L225 Difference]: With dead ends: 185933 [2018-09-18 12:30:57,281 INFO L226 Difference]: Without dead ends: 133655 [2018-09-18 12:30:57,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:30:57,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133655 states. [2018-09-18 12:30:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133655 to 133283. [2018-09-18 12:30:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133283 states. [2018-09-18 12:31:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133283 states to 133283 states and 177198 transitions. [2018-09-18 12:31:00,189 INFO L78 Accepts]: Start accepts. Automaton has 133283 states and 177198 transitions. Word has length 259 [2018-09-18 12:31:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:31:00,190 INFO L480 AbstractCegarLoop]: Abstraction has 133283 states and 177198 transitions. [2018-09-18 12:31:00,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:31:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 133283 states and 177198 transitions. [2018-09-18 12:31:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2018-09-18 12:31:00,222 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:31:00,223 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 12:31:00,223 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:31:00,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1419957994, now seen corresponding path program 1 times [2018-09-18 12:31:00,224 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:31:00,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:31:00,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:00,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:31:00,225 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:31:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:01,185 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:31:01,185 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:31:01,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:01,195 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:31:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:01,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:31:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:02,227 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:31:02,391 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-18 12:31:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:04,426 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:31:04,427 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:31:04,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:04,443 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:31:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:04,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:31:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:05,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:31:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:06,143 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:31:06,144 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-18 12:31:06,144 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:31:06,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 12:31:06,148 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 12:31:06,148 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 12:31:06,148 INFO L87 Difference]: Start difference. First operand 133283 states and 177198 transitions. Second operand 9 states. Received shutdown request... [2018-09-18 12:31:39,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-18 12:31:39,030 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:31:39,036 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:31:39,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:31:39 BoogieIcfgContainer [2018-09-18 12:31:39,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:31:39,037 INFO L168 Benchmark]: Toolchain (without parser) took 235672.35 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 174.0 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:31:39,038 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:31:39,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4041.14 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 212.3 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -133.3 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:39,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 312.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:39,040 INFO L168 Benchmark]: Boogie Preprocessor took 1972.81 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 813.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -818.1 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:39,041 INFO L168 Benchmark]: RCFGBuilder took 19742.40 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 285.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 97.6 MB). Peak memory consumption was 998.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:31:39,042 INFO L168 Benchmark]: TraceAbstraction took 209597.33 ms. Allocated memory was 2.8 GB in the beginning and 3.7 GB in the end (delta: 868.7 MB). Free memory was 2.2 GB in the beginning and 1.2 GB in the end (delta: 964.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-18 12:31:39,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4041.14 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 212.3 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -133.3 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 312.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1972.81 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 813.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -818.1 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19742.40 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 285.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 97.6 MB). Peak memory consumption was 998.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209597.33 ms. Allocated memory was 2.8 GB in the beginning and 3.7 GB in the end (delta: 868.7 MB). Free memory was 2.2 GB in the beginning and 1.2 GB in the end (delta: 964.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 136). Cancelled while BasicCegarLoop was constructing difference of abstraction (133283states) and FLOYD_HOARE automaton (currently 20 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (194792 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 195.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5922 SDtfs, 51817 SDslu, 5217 SDs, 0 SdLazy, 75769 SolverSat, 16726 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 170.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3032 GetRequests, 2972 SyntacticMatches, 9 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133283occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 2873 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 3051 NumberOfCodeBlocks, 3051 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 4520 ConstructedInterpolants, 0 QuantifiedInterpolants, 4814262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1992 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 1085/1095 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_label00_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-31-39-063.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label00_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-31-39-063.csv Completed graceful shutdown