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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 04:11:37,179 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 04:11:37,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 04:11:37,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 04:11:37,193 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 04:11:37,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 04:11:37,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 04:11:37,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 04:11:37,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 04:11:37,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 04:11:37,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 04:11:37,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 04:11:37,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 04:11:37,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 04:11:37,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 04:11:37,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 04:11:37,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 04:11:37,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 04:11:37,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 04:11:37,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 04:11:37,214 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 04:11:37,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 04:11:37,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 04:11:37,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 04:11:37,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 04:11:37,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 04:11:37,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 04:11:37,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 04:11:37,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 04:11:37,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 04:11:37,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 04:11:37,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 04:11:37,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 04:11:37,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 04:11:37,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 04:11:37,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 04:11:37,228 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 04:11:37,245 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 04:11:37,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 04:11:37,246 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 04:11:37,246 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 04:11:37,247 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 04:11:37,247 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 04:11:37,247 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 04:11:37,247 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 04:11:37,248 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 04:11:37,248 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 04:11:37,248 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 04:11:37,248 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 04:11:37,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 04:11:37,249 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 04:11:37,249 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 04:11:37,249 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 04:11:37,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 04:11:37,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 04:11:37,250 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 04:11:37,250 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 04:11:37,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 04:11:37,251 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 04:11:37,251 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 04:11:37,251 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 04:11:37,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 04:11:37,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 04:11:37,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 04:11:37,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 04:11:37,252 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 04:11:37,252 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 04:11:37,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 04:11:37,253 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 04:11:37,253 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 04:11:37,253 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 04:11:37,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 04:11:37,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 04:11:37,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 04:11:37,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 04:11:37,335 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 04:11:37,336 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label02_true-unreach-call.c [2018-11-07 04:11:37,410 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/514c8243c/54545cb1413f4f738c9ed7b5582d14b9/FLAG127bc2abc [2018-11-07 04:11:38,327 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 04:11:38,328 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label02_true-unreach-call.c [2018-11-07 04:11:38,378 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/514c8243c/54545cb1413f4f738c9ed7b5582d14b9/FLAG127bc2abc [2018-11-07 04:11:38,395 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/514c8243c/54545cb1413f4f738c9ed7b5582d14b9 [2018-11-07 04:11:38,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 04:11:38,411 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 04:11:38,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 04:11:38,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 04:11:38,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 04:11:38,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:11:38" (1/1) ... [2018-11-07 04:11:38,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f02a909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:38, skipping insertion in model container [2018-11-07 04:11:38,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:11:38" (1/1) ... [2018-11-07 04:11:38,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 04:11:38,708 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 04:11:40,651 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:11:40,656 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 04:11:41,820 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:11:41,884 INFO L193 MainTranslator]: Completed translation [2018-11-07 04:11:41,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41 WrapperNode [2018-11-07 04:11:41,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 04:11:41,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 04:11:41,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 04:11:41,886 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 04:11:41,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 04:11:42,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 04:11:42,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 04:11:42,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 04:11:42,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (1/1) ... [2018-11-07 04:11:42,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 04:11:42,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 04:11:42,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 04:11:42,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 04:11:42,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (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 [2018-11-07 04:11:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 04:11:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 04:11:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 04:11:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 04:11:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 04:11:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 04:11:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 04:11:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 04:11:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 04:11:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 04:11:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 04:11:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 04:11:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 04:11:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 04:11:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 04:11:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 04:11:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 04:11:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 04:11:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 04:11:58,292 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 04:11:58,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:11:58 BoogieIcfgContainer [2018-11-07 04:11:58,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 04:11:58,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 04:11:58,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 04:11:58,298 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 04:11:58,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:11:38" (1/3) ... [2018-11-07 04:11:58,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9905f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:11:58, skipping insertion in model container [2018-11-07 04:11:58,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:41" (2/3) ... [2018-11-07 04:11:58,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9905f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:11:58, skipping insertion in model container [2018-11-07 04:11:58,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:11:58" (3/3) ... [2018-11-07 04:11:58,302 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label02_true-unreach-call.c [2018-11-07 04:11:58,312 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 04:11:58,323 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 04:11:58,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 04:11:58,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 04:11:58,393 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 04:11:58,393 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 04:11:58,393 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 04:11:58,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 04:11:58,393 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 04:11:58,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 04:11:58,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 04:11:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 04:11:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-07 04:11:58,458 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:11:58,459 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:11:58,462 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:11:58,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:11:58,468 INFO L82 PathProgramCache]: Analyzing trace with hash -204669534, now seen corresponding path program 1 times [2018-11-07 04:11:58,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:11:58,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:11:58,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:11:58,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:11:58,526 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:11:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:11:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:11:59,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:11:59,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 04:11:59,002 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:11:59,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 04:11:59,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 04:11:59,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:11:59,032 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-07 04:12:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:12:12,274 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-11-07 04:12:12,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 04:12:12,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-07 04:12:12,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:12:12,320 INFO L225 Difference]: With dead ends: 5034 [2018-11-07 04:12:12,321 INFO L226 Difference]: Without dead ends: 3254 [2018-11-07 04:12:12,333 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:12:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-11-07 04:12:12,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-11-07 04:12:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-11-07 04:12:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-11-07 04:12:12,507 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 73 [2018-11-07 04:12:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:12:12,508 INFO L480 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-11-07 04:12:12,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 04:12:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-11-07 04:12:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 04:12:12,517 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:12:12,517 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:12:12,518 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:12:12,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:12:12,518 INFO L82 PathProgramCache]: Analyzing trace with hash -238257218, now seen corresponding path program 1 times [2018-11-07 04:12:12,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:12:12,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:12:12,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:12:12,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:12:12,520 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:12:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:12:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:12:13,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:12:13,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 04:12:13,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:12:13,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 04:12:13,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 04:12:13,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 04:12:13,120 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-11-07 04:12:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:12:35,650 INFO L93 Difference]: Finished difference Result 9599 states and 17994 transitions. [2018-11-07 04:12:35,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 04:12:35,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-07 04:12:35,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:12:35,691 INFO L225 Difference]: With dead ends: 9599 [2018-11-07 04:12:35,691 INFO L226 Difference]: Without dead ends: 6398 [2018-11-07 04:12:35,702 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 04:12:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6398 states. [2018-11-07 04:12:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6398 to 6274. [2018-11-07 04:12:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6274 states. [2018-11-07 04:12:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 11303 transitions. [2018-11-07 04:12:35,902 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 11303 transitions. Word has length 146 [2018-11-07 04:12:35,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:12:35,903 INFO L480 AbstractCegarLoop]: Abstraction has 6274 states and 11303 transitions. [2018-11-07 04:12:35,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 04:12:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 11303 transitions. [2018-11-07 04:12:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 04:12:35,906 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:12:35,907 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:12:35,907 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:12:35,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:12:35,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1315033247, now seen corresponding path program 1 times [2018-11-07 04:12:35,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:12:35,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:12:35,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:12:35,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:12:35,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:12:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:12:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:12:36,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:12:36,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 04:12:36,237 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:12:36,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 04:12:36,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 04:12:36,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 04:12:36,239 INFO L87 Difference]: Start difference. First operand 6274 states and 11303 transitions. Second operand 5 states. [2018-11-07 04:12:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:12:54,307 INFO L93 Difference]: Finished difference Result 18938 states and 34291 transitions. [2018-11-07 04:12:54,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 04:12:54,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-11-07 04:12:54,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:12:54,377 INFO L225 Difference]: With dead ends: 18938 [2018-11-07 04:12:54,377 INFO L226 Difference]: Without dead ends: 12670 [2018-11-07 04:12:54,400 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 04:12:54,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12670 states. [2018-11-07 04:12:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12670 to 12405. [2018-11-07 04:12:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12405 states. [2018-11-07 04:12:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12405 states to 12405 states and 18885 transitions. [2018-11-07 04:12:54,773 INFO L78 Accepts]: Start accepts. Automaton has 12405 states and 18885 transitions. Word has length 160 [2018-11-07 04:12:54,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:12:54,774 INFO L480 AbstractCegarLoop]: Abstraction has 12405 states and 18885 transitions. [2018-11-07 04:12:54,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 04:12:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 12405 states and 18885 transitions. [2018-11-07 04:12:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-07 04:12:54,781 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:12:54,781 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 04:12:54,781 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:12:54,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:12:54,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1267702423, now seen corresponding path program 1 times [2018-11-07 04:12:54,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:12:54,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:12:54,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:12:54,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:12:54,787 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:12:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:12:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 132 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 04:12:55,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:12:55,207 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:12:55,208 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-11-07 04:12:55,210 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5698], [5706], [5710], [5712], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 04:12:55,283 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:12:55,284 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:12:58,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 04:12:58,130 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 04:12:58,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:12:58,142 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 04:13:00,674 INFO L227 lantSequenceWeakener]: Weakened 242 states. On average, predicates are now at 75.98% of their original sizes. [2018-11-07 04:13:00,674 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 04:13:01,182 INFO L415 sIntCurrentIteration]: We unified 249 AI predicates to 249 [2018-11-07 04:13:01,183 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 04:13:01,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 04:13:01,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 04:13:01,184 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:13:01,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 04:13:01,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 04:13:01,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 04:13:01,185 INFO L87 Difference]: Start difference. First operand 12405 states and 18885 transitions. Second operand 7 states. [2018-11-07 04:13:04,644 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 04:15:19,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:15:19,496 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 04:15:19,501 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 04:15:19,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:15:19 BoogieIcfgContainer [2018-11-07 04:15:19,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 04:15:19,502 INFO L168 Benchmark]: Toolchain (without parser) took 221092.55 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -458.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-11-07 04:15:19,504 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-11-07 04:15:19,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3472.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-11-07 04:15:19,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.58 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 846.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2018-11-07 04:15:19,507 INFO L168 Benchmark]: Boogie Preprocessor took 488.61 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-11-07 04:15:19,507 INFO L168 Benchmark]: RCFGBuilder took 15376.90 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 171.4 MB). Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 484.6 MB). Peak memory consumption was 677.8 MB. Max. memory is 7.1 GB. [2018-11-07 04:15:19,509 INFO L168 Benchmark]: TraceAbstraction took 201207.36 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -110.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 04:15:19,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3472.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 541.58 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 846.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 488.61 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15376.90 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 171.4 MB). Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 484.6 MB). Peak memory consumption was 677.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 201207.36 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -110.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 214]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 214). Cancelled while BasicCegarLoop was constructing difference of abstraction (12405states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (11059 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 201.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 192.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2443 SDtfs, 17086 SDslu, 2586 SDs, 0 SdLazy, 25527 SolverSat, 5520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 139.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 276 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12405occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9961075069508804 AbsIntWeakeningRatio, 0.10843373493975904 AbsIntAvgWeakeningVarsNumRemoved, 1054.0642570281125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 436 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 629 NumberOfCodeBlocks, 629 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 411209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 269/351 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown