java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 07:54:00,090 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 07:54:00,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 07:54:00,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 07:54:00,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 07:54:00,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 07:54:00,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 07:54:00,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 07:54:00,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 07:54:00,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 07:54:00,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 07:54:00,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 07:54:00,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 07:54:00,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 07:54:00,137 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 07:54:00,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 07:54:00,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 07:54:00,142 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 07:54:00,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 07:54:00,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 07:54:00,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 07:54:00,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 07:54:00,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 07:54:00,155 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 07:54:00,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 07:54:00,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 07:54:00,157 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 07:54:00,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 07:54:00,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 07:54:00,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 07:54:00,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 07:54:00,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 07:54:00,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 07:54:00,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 07:54:00,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 07:54:00,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 07:54:00,163 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 07:54:00,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 07:54:00,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 07:54:00,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 07:54:00,185 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 07:54:00,186 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 07:54:00,189 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 07:54:00,189 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 07:54:00,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 07:54:00,190 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 07:54:00,190 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 07:54:00,190 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 07:54:00,190 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 07:54:00,191 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 07:54:00,191 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 07:54:00,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 07:54:00,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 07:54:00,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 07:54:00,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 07:54:00,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 07:54:00,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 07:54:00,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 07:54:00,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 07:54:00,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 07:54:00,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 07:54:00,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 07:54:00,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 07:54:00,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 07:54:00,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 07:54:00,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 07:54:00,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 07:54:00,197 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 07:54:00,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 07:54:00,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 07:54:00,197 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 07:54:00,198 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 07:54:00,198 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 07:54:00,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 07:54:00,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 07:54:00,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 07:54:00,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 07:54:00,274 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 07:54:00,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label13_true-unreach-call.c [2018-10-27 07:54:00,336 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/93c753397/5cc54814b2d241119adabbaf1ee24e26/FLAG6a8c4f03d [2018-10-27 07:54:01,154 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 07:54:01,155 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label13_true-unreach-call.c [2018-10-27 07:54:01,202 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/93c753397/5cc54814b2d241119adabbaf1ee24e26/FLAG6a8c4f03d [2018-10-27 07:54:01,223 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/93c753397/5cc54814b2d241119adabbaf1ee24e26 [2018-10-27 07:54:01,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 07:54:01,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 07:54:01,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 07:54:01,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 07:54:01,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 07:54:01,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:54:01" (1/1) ... [2018-10-27 07:54:01,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cb433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:01, skipping insertion in model container [2018-10-27 07:54:01,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:54:01" (1/1) ... [2018-10-27 07:54:01,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 07:54:01,457 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 07:54:02,902 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:54:02,907 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 07:54:03,664 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:54:03,702 INFO L193 MainTranslator]: Completed translation [2018-10-27 07:54:03,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03 WrapperNode [2018-10-27 07:54:03,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 07:54:03,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 07:54:03,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 07:54:03,706 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 07:54:03,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:03,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 07:54:04,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 07:54:04,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 07:54:04,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 07:54:04,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... [2018-10-27 07:54:04,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 07:54:04,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 07:54:04,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 07:54:04,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 07:54:04,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 07:54:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 07:54:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 07:54:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 07:54:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 07:54:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 07:54:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 07:54:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 07:54:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 07:54:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 07:54:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 07:54:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 07:54:04,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 07:54:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 07:54:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 07:54:16,344 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 07:54:16,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:54:16 BoogieIcfgContainer [2018-10-27 07:54:16,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 07:54:16,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 07:54:16,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 07:54:16,350 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 07:54:16,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:54:01" (1/3) ... [2018-10-27 07:54:16,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1650ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:54:16, skipping insertion in model container [2018-10-27 07:54:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:03" (2/3) ... [2018-10-27 07:54:16,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1650ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:54:16, skipping insertion in model container [2018-10-27 07:54:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:54:16" (3/3) ... [2018-10-27 07:54:16,353 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label13_true-unreach-call.c [2018-10-27 07:54:16,364 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 07:54:16,377 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 07:54:16,395 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 07:54:16,454 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 07:54:16,454 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 07:54:16,454 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 07:54:16,455 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 07:54:16,455 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 07:54:16,455 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 07:54:16,455 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 07:54:16,455 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 07:54:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-27 07:54:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 07:54:16,517 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:54:16,518 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] [2018-10-27 07:54:16,520 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:54:16,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:54:16,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1465464788, now seen corresponding path program 1 times [2018-10-27 07:54:16,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:54:16,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:54:16,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:54:16,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:54:16,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:54:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:54:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:54:17,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:54:17,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 07:54:17,187 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:54:17,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 07:54:17,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 07:54:17,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:54:17,214 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-10-27 07:54:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:54:32,277 INFO L93 Difference]: Finished difference Result 4063 states and 7611 transitions. [2018-10-27 07:54:32,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 07:54:32,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-10-27 07:54:32,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:54:32,344 INFO L225 Difference]: With dead ends: 4063 [2018-10-27 07:54:32,344 INFO L226 Difference]: Without dead ends: 2937 [2018-10-27 07:54:32,365 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:54:32,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2018-10-27 07:54:32,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 1982. [2018-10-27 07:54:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2018-10-27 07:54:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 3456 transitions. [2018-10-27 07:54:32,573 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 3456 transitions. Word has length 64 [2018-10-27 07:54:32,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:54:32,574 INFO L481 AbstractCegarLoop]: Abstraction has 1982 states and 3456 transitions. [2018-10-27 07:54:32,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 07:54:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3456 transitions. [2018-10-27 07:54:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 07:54:32,582 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:54:32,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:54:32,583 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:54:32,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:54:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1113995663, now seen corresponding path program 1 times [2018-10-27 07:54:32,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:54:32,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:54:32,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:54:32,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:54:32,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:54:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:54:32,921 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:54:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:54:33,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:54:33,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:54:33,084 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:54:33,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:54:33,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:54:33,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:54:33,088 INFO L87 Difference]: Start difference. First operand 1982 states and 3456 transitions. Second operand 6 states. [2018-10-27 07:54:49,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:54:49,266 INFO L93 Difference]: Finished difference Result 7277 states and 13063 transitions. [2018-10-27 07:54:49,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:54:49,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-27 07:54:49,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:54:49,311 INFO L225 Difference]: With dead ends: 7277 [2018-10-27 07:54:49,312 INFO L226 Difference]: Without dead ends: 5301 [2018-10-27 07:54:49,326 INFO L605 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 [2018-10-27 07:54:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2018-10-27 07:54:49,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5252. [2018-10-27 07:54:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5252 states. [2018-10-27 07:54:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 8253 transitions. [2018-10-27 07:54:49,625 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 8253 transitions. Word has length 135 [2018-10-27 07:54:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:54:49,626 INFO L481 AbstractCegarLoop]: Abstraction has 5252 states and 8253 transitions. [2018-10-27 07:54:49,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:54:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 8253 transitions. [2018-10-27 07:54:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 07:54:49,630 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:54:49,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:54:49,631 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:54:49,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:54:49,632 INFO L82 PathProgramCache]: Analyzing trace with hash -303243424, now seen corresponding path program 1 times [2018-10-27 07:54:49,632 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:54:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:54:49,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:54:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:54:49,633 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:54:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:54:49,923 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:54:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:54:50,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:54:50,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:54:50,032 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:54:50,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:54:50,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:54:50,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:54:50,033 INFO L87 Difference]: Start difference. First operand 5252 states and 8253 transitions. Second operand 6 states. [2018-10-27 07:55:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:55:03,020 INFO L93 Difference]: Finished difference Result 13914 states and 22498 transitions. [2018-10-27 07:55:03,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:55:03,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-27 07:55:03,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:55:03,084 INFO L225 Difference]: With dead ends: 13914 [2018-10-27 07:55:03,084 INFO L226 Difference]: Without dead ends: 8668 [2018-10-27 07:55:03,106 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:55:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8668 states. [2018-10-27 07:55:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8668 to 8605. [2018-10-27 07:55:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8605 states. [2018-10-27 07:55:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8605 states to 8605 states and 12803 transitions. [2018-10-27 07:55:03,325 INFO L78 Accepts]: Start accepts. Automaton has 8605 states and 12803 transitions. Word has length 138 [2018-10-27 07:55:03,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:55:03,326 INFO L481 AbstractCegarLoop]: Abstraction has 8605 states and 12803 transitions. [2018-10-27 07:55:03,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:55:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8605 states and 12803 transitions. [2018-10-27 07:55:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-27 07:55:03,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:55:03,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:55:03,332 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:55:03,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:55:03,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1626850484, now seen corresponding path program 1 times [2018-10-27 07:55:03,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:55:03,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:03,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:55:03,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:03,334 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:55:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:55:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:55:03,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:55:03,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 07:55:03,672 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:55:03,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 07:55:03,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 07:55:03,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 07:55:03,673 INFO L87 Difference]: Start difference. First operand 8605 states and 12803 transitions. Second operand 5 states. [2018-10-27 07:55:16,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:55:16,851 INFO L93 Difference]: Finished difference Result 25982 states and 40339 transitions. [2018-10-27 07:55:16,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 07:55:16,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-10-27 07:55:16,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:55:16,931 INFO L225 Difference]: With dead ends: 25982 [2018-10-27 07:55:16,931 INFO L226 Difference]: Without dead ends: 17383 [2018-10-27 07:55:16,959 INFO L605 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 [2018-10-27 07:55:16,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17383 states. [2018-10-27 07:55:17,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17383 to 17120. [2018-10-27 07:55:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17120 states. [2018-10-27 07:55:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17120 states to 17120 states and 24327 transitions. [2018-10-27 07:55:17,361 INFO L78 Accepts]: Start accepts. Automaton has 17120 states and 24327 transitions. Word has length 148 [2018-10-27 07:55:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:55:17,362 INFO L481 AbstractCegarLoop]: Abstraction has 17120 states and 24327 transitions. [2018-10-27 07:55:17,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 07:55:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 17120 states and 24327 transitions. [2018-10-27 07:55:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-27 07:55:17,372 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:55:17,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:55:17,372 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:55:17,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:55:17,373 INFO L82 PathProgramCache]: Analyzing trace with hash -2091389760, now seen corresponding path program 1 times [2018-10-27 07:55:17,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:55:17,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:17,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:55:17,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:17,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:55:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:55:17,636 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:55:17,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:55:17,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 07:55:17,637 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:55:17,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 07:55:17,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 07:55:17,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:55:17,638 INFO L87 Difference]: Start difference. First operand 17120 states and 24327 transitions. Second operand 4 states. [2018-10-27 07:55:30,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:55:30,064 INFO L93 Difference]: Finished difference Result 41061 states and 60639 transitions. [2018-10-27 07:55:30,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 07:55:30,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-10-27 07:55:30,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:55:30,165 INFO L225 Difference]: With dead ends: 41061 [2018-10-27 07:55:30,165 INFO L226 Difference]: Without dead ends: 23947 [2018-10-27 07:55:30,218 INFO L605 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 [2018-10-27 07:55:30,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23947 states. [2018-10-27 07:55:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23947 to 23901. [2018-10-27 07:55:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23901 states. [2018-10-27 07:55:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23901 states to 23901 states and 33757 transitions. [2018-10-27 07:55:30,840 INFO L78 Accepts]: Start accepts. Automaton has 23901 states and 33757 transitions. Word has length 165 [2018-10-27 07:55:30,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:55:30,841 INFO L481 AbstractCegarLoop]: Abstraction has 23901 states and 33757 transitions. [2018-10-27 07:55:30,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 07:55:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 23901 states and 33757 transitions. [2018-10-27 07:55:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 07:55:30,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:55:30,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:55:30,852 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:55:30,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:55:30,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1502543096, now seen corresponding path program 1 times [2018-10-27 07:55:30,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:55:30,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:30,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:55:30,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:30,854 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:55:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:55:31,163 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:55:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:55:31,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:55:31,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:55:31,564 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:55:31,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:55:31,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:55:31,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:55:31,566 INFO L87 Difference]: Start difference. First operand 23901 states and 33757 transitions. Second operand 6 states. [2018-10-27 07:55:43,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:55:43,468 INFO L93 Difference]: Finished difference Result 65342 states and 103816 transitions. [2018-10-27 07:55:43,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:55:43,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-27 07:55:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:55:43,688 INFO L225 Difference]: With dead ends: 65342 [2018-10-27 07:55:43,689 INFO L226 Difference]: Without dead ends: 41447 [2018-10-27 07:55:43,749 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:55:43,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41447 states. [2018-10-27 07:55:44,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41447 to 41295. [2018-10-27 07:55:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41295 states. [2018-10-27 07:55:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41295 states to 41295 states and 60244 transitions. [2018-10-27 07:55:44,713 INFO L78 Accepts]: Start accepts. Automaton has 41295 states and 60244 transitions. Word has length 174 [2018-10-27 07:55:44,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:55:44,716 INFO L481 AbstractCegarLoop]: Abstraction has 41295 states and 60244 transitions. [2018-10-27 07:55:44,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:55:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 41295 states and 60244 transitions. [2018-10-27 07:55:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 07:55:44,730 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:55:44,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:55:44,730 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:55:44,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:55:44,731 INFO L82 PathProgramCache]: Analyzing trace with hash -621888907, now seen corresponding path program 1 times [2018-10-27 07:55:44,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:55:44,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:44,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:55:44,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:55:44,732 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:55:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:55:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:55:45,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:55:45,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:55:45,314 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:55:45,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:55:45,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:55:45,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:55:45,316 INFO L87 Difference]: Start difference. First operand 41295 states and 60244 transitions. Second operand 6 states. [2018-10-27 07:56:08,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:56:08,380 INFO L93 Difference]: Finished difference Result 138756 states and 238216 transitions. [2018-10-27 07:56:08,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 07:56:08,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-10-27 07:56:08,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:56:09,054 INFO L225 Difference]: With dead ends: 138756 [2018-10-27 07:56:09,054 INFO L226 Difference]: Without dead ends: 97467 [2018-10-27 07:56:09,340 INFO L605 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 [2018-10-27 07:56:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97467 states. [2018-10-27 07:56:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97467 to 96930. [2018-10-27 07:56:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96930 states. [2018-10-27 07:56:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96930 states to 96930 states and 141803 transitions. [2018-10-27 07:56:12,278 INFO L78 Accepts]: Start accepts. Automaton has 96930 states and 141803 transitions. Word has length 222 [2018-10-27 07:56:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:56:12,279 INFO L481 AbstractCegarLoop]: Abstraction has 96930 states and 141803 transitions. [2018-10-27 07:56:12,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:56:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 96930 states and 141803 transitions. [2018-10-27 07:56:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 07:56:12,313 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:56:12,313 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 07:56:12,313 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:56:12,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:56:12,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1548106794, now seen corresponding path program 1 times [2018-10-27 07:56:12,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:56:12,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:56:12,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:56:12,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:56:12,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:56:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:56:12,682 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:56:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 222 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:56:12,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:56:12,765 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:56:12,766 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-10-27 07:56:12,768 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3039], [3041], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3308], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3358], [3361], [3365], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-27 07:56:12,834 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:56:12,834 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:56:13,459 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:56:13,460 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 07:56:13,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:56:13,503 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:56:14,246 INFO L227 lantSequenceWeakener]: Weakened 284 states. On average, predicates are now at 71.42% of their original sizes. [2018-10-27 07:56:14,247 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:56:14,519 INFO L415 sIntCurrentIteration]: We unified 294 AI predicates to 294 [2018-10-27 07:56:14,519 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:56:14,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:56:14,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 07:56:14,520 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:56:14,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:56:14,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:56:14,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:56:14,521 INFO L87 Difference]: Start difference. First operand 96930 states and 141803 transitions. Second operand 6 states. Received shutdown request... [2018-10-27 07:57:51,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 07:57:51,656 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 07:57:51,662 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 07:57:51,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:57:51 BoogieIcfgContainer [2018-10-27 07:57:51,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 07:57:51,663 INFO L168 Benchmark]: Toolchain (without parser) took 230424.53 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 344.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-10-27 07:57:51,664 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 07:57:51,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2460.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 256.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 7.1 GB. [2018-10-27 07:57:51,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 641.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 807.4 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2018-10-27 07:57:51,667 INFO L168 Benchmark]: Boogie Preprocessor took 458.57 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2018-10-27 07:57:51,668 INFO L168 Benchmark]: RCFGBuilder took 11539.93 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 197.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -3.4 MB). Peak memory consumption was 680.5 MB. Max. memory is 7.1 GB. [2018-10-27 07:57:51,669 INFO L168 Benchmark]: TraceAbstraction took 215316.20 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 1.0 GB in the end (delta: 1.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-27 07:57:51,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2460.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 256.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 641.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 807.4 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 458.57 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11539.93 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 197.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -3.4 MB). Peak memory consumption was 680.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215316.20 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 1.0 GB in the end (delta: 1.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 183]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 183). Cancelled while BasicCegarLoop was constructing difference of abstraction (96930states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (99797 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 215.2s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 203.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4263 SDtfs, 27453 SDslu, 3755 SDs, 0 SdLazy, 41165 SolverSat, 12044 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 168.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 356 GetRequests, 309 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96930occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9983911878321815 AbsIntWeakeningRatio, 0.10204081632653061 AbsIntAvgWeakeningVarsNumRemoved, 16.462585034013607 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 2065 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1333 ConstructedInterpolants, 0 QuantifiedInterpolants, 937094 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 564/566 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown