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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:59:59,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:59:59,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:59:59,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:59:59,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:59:59,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:59:59,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:59:59,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:59:59,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:59:59,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:59:59,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:59:59,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:59:59,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:59:59,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:59:59,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:59:59,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:59:59,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:59:59,112 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:59:59,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:59:59,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:59:59,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:59:59,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:59:59,131 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:59:59,131 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:59:59,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:59:59,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:59:59,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:59:59,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:59:59,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:59:59,142 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:59:59,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:59:59,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:59:59,145 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:59:59,145 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:59:59,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:59:59,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:59:59,147 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 18:59:59,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:59:59,178 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:59:59,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:59:59,179 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:59:59,179 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:59:59,179 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:59:59,179 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:59:59,180 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:59:59,180 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:59:59,181 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:59:59,181 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:59:59,181 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:59:59,181 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:59:59,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:59:59,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:59:59,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:59:59,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:59:59,183 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:59:59,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:59:59,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:59:59,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:59:59,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:59:59,184 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:59:59,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:59:59,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:59:59,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:59:59,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:59:59,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:59:59,187 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:59:59,187 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:59:59,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:59:59,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:59:59,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:59:59,188 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:59:59,188 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:59:59,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:59:59,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:59:59,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:59:59,259 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:59:59,259 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:59:59,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-11-12 18:59:59,323 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295620d70/ba1238b43ec94b648dad40b1f2d82233/FLAG1570f2fda [2018-11-12 19:00:00,170 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:00:00,171 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-11-12 19:00:00,219 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295620d70/ba1238b43ec94b648dad40b1f2d82233/FLAG1570f2fda [2018-11-12 19:00:00,241 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295620d70/ba1238b43ec94b648dad40b1f2d82233 [2018-11-12 19:00:00,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:00:00,255 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:00:00,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:00:00,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:00:00,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:00:00,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:00:00" (1/1) ... [2018-11-12 19:00:00,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb9594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:00, skipping insertion in model container [2018-11-12 19:00:00,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:00:00" (1/1) ... [2018-11-12 19:00:00,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:00:00,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:00:01,921 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:00:01,926 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:00:02,657 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:00:02,702 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:00:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02 WrapperNode [2018-11-12 19:00:02,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:00:02,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:00:02,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:00:02,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:00:03,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:00:03,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:00:03,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:00:03,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:00:03,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (1/1) ... [2018-11-12 19:00:03,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:00:03,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:00:03,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:00:03,416 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:00:03,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (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 [2018-11-12 19:00:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:00:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:00:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:00:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 19:00:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 19:00:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 19:00:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 19:00:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:00:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:00:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:00:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:00:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:00:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:00:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:00:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:00:14,049 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:00:14,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:00:14 BoogieIcfgContainer [2018-11-12 19:00:14,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:00:14,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:00:14,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:00:14,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:00:14,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:00:00" (1/3) ... [2018-11-12 19:00:14,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71db30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:00:14, skipping insertion in model container [2018-11-12 19:00:14,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:02" (2/3) ... [2018-11-12 19:00:14,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71db30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:00:14, skipping insertion in model container [2018-11-12 19:00:14,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:00:14" (3/3) ... [2018-11-12 19:00:14,059 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label49_true-unreach-call.c [2018-11-12 19:00:14,069 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:00:14,082 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:00:14,100 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:00:14,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:00:14,155 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:00:14,155 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:00:14,156 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:00:14,156 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:00:14,156 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:00:14,156 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:00:14,156 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:00:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-12 19:00:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-12 19:00:14,210 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:00:14,211 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] [2018-11-12 19:00:14,213 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:00:14,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:14,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1815238907, now seen corresponding path program 1 times [2018-11-12 19:00:14,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:00:14,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:14,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:00:14,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:14,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:00:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:00:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:00:14,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:00:14,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:00:14,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:00:14,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:00:14,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:00:14,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:00:14,831 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-11-12 19:00:27,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:00:27,331 INFO L93 Difference]: Finished difference Result 4063 states and 7611 transitions. [2018-11-12 19:00:27,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:00:27,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-11-12 19:00:27,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:00:27,386 INFO L225 Difference]: With dead ends: 4063 [2018-11-12 19:00:27,388 INFO L226 Difference]: Without dead ends: 2937 [2018-11-12 19:00:27,405 INFO L604 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 [2018-11-12 19:00:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2018-11-12 19:00:27,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 1982. [2018-11-12 19:00:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2018-11-12 19:00:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 3456 transitions. [2018-11-12 19:00:27,586 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 3456 transitions. Word has length 65 [2018-11-12 19:00:27,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:00:27,587 INFO L480 AbstractCegarLoop]: Abstraction has 1982 states and 3456 transitions. [2018-11-12 19:00:27,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 19:00:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3456 transitions. [2018-11-12 19:00:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-12 19:00:27,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:00:27,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:00:27,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:00:27,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:27,600 INFO L82 PathProgramCache]: Analyzing trace with hash -617731529, now seen corresponding path program 1 times [2018-11-12 19:00:27,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:00:27,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:27,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:00:27,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:27,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:00:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:00:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:00:27,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:00:27,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:00:27,984 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:00:27,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:00:27,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:00:27,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:00:27,987 INFO L87 Difference]: Start difference. First operand 1982 states and 3456 transitions. Second operand 6 states. [2018-11-12 19:00:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:00:43,034 INFO L93 Difference]: Finished difference Result 7277 states and 13063 transitions. [2018-11-12 19:00:43,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:00:43,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-12 19:00:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:00:43,073 INFO L225 Difference]: With dead ends: 7277 [2018-11-12 19:00:43,073 INFO L226 Difference]: Without dead ends: 5301 [2018-11-12 19:00:43,086 INFO L604 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 [2018-11-12 19:00:43,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2018-11-12 19:00:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5252. [2018-11-12 19:00:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5252 states. [2018-11-12 19:00:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 8253 transitions. [2018-11-12 19:00:43,224 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 8253 transitions. Word has length 136 [2018-11-12 19:00:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:00:43,225 INFO L480 AbstractCegarLoop]: Abstraction has 5252 states and 8253 transitions. [2018-11-12 19:00:43,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:00:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 8253 transitions. [2018-11-12 19:00:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-12 19:00:43,230 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:00:43,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:00:43,230 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:00:43,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash -824137274, now seen corresponding path program 1 times [2018-11-12 19:00:43,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:00:43,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:43,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:00:43,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:43,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:00:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:00:43,637 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:00:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:00:43,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:00:43,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:00:43,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:00:43,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:00:43,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:00:43,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:00:43,687 INFO L87 Difference]: Start difference. First operand 5252 states and 8253 transitions. Second operand 6 states. [2018-11-12 19:00:54,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:00:54,507 INFO L93 Difference]: Finished difference Result 13914 states and 22498 transitions. [2018-11-12 19:00:54,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:00:54,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-12 19:00:54,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:00:54,548 INFO L225 Difference]: With dead ends: 13914 [2018-11-12 19:00:54,548 INFO L226 Difference]: Without dead ends: 8668 [2018-11-12 19:00:54,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:00:54,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8668 states. [2018-11-12 19:00:54,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8668 to 8605. [2018-11-12 19:00:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8605 states. [2018-11-12 19:00:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8605 states to 8605 states and 12803 transitions. [2018-11-12 19:00:54,776 INFO L78 Accepts]: Start accepts. Automaton has 8605 states and 12803 transitions. Word has length 139 [2018-11-12 19:00:54,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:00:54,777 INFO L480 AbstractCegarLoop]: Abstraction has 8605 states and 12803 transitions. [2018-11-12 19:00:54,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:00:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8605 states and 12803 transitions. [2018-11-12 19:00:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-12 19:00:54,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:00:54,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:00:54,783 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:00:54,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:54,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2024947088, now seen corresponding path program 1 times [2018-11-12 19:00:54,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:00:54,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:54,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:00:54,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:54,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:00:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:00:55,096 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:00:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:00:55,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:00:55,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:00:55,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:00:55,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:00:55,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:00:55,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:00:55,274 INFO L87 Difference]: Start difference. First operand 8605 states and 12803 transitions. Second operand 6 states. [2018-11-12 19:01:05,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:05,893 INFO L93 Difference]: Finished difference Result 27252 states and 42305 transitions. [2018-11-12 19:01:05,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:01:05,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-11-12 19:01:05,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:05,980 INFO L225 Difference]: With dead ends: 27252 [2018-11-12 19:01:05,981 INFO L226 Difference]: Without dead ends: 18653 [2018-11-12 19:01:06,020 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:01:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18653 states. [2018-11-12 19:01:06,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18653 to 18564. [2018-11-12 19:01:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18564 states. [2018-11-12 19:01:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18564 states to 18564 states and 25945 transitions. [2018-11-12 19:01:06,434 INFO L78 Accepts]: Start accepts. Automaton has 18564 states and 25945 transitions. Word has length 170 [2018-11-12 19:01:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:06,435 INFO L480 AbstractCegarLoop]: Abstraction has 18564 states and 25945 transitions. [2018-11-12 19:01:06,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:01:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 18564 states and 25945 transitions. [2018-11-12 19:01:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-12 19:01:06,447 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:06,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:01:06,448 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:06,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:06,449 INFO L82 PathProgramCache]: Analyzing trace with hash -658364123, now seen corresponding path program 1 times [2018-11-12 19:01:06,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:06,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:06,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:06,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:06,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:06,803 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:01:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:01:06,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:01:06,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:01:06,996 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:01:06,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:01:06,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:01:06,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:01:06,998 INFO L87 Difference]: Start difference. First operand 18564 states and 25945 transitions. Second operand 6 states. [2018-11-12 19:01:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:15,322 INFO L93 Difference]: Finished difference Result 48015 states and 74441 transitions. [2018-11-12 19:01:15,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:01:15,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 233 [2018-11-12 19:01:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:15,476 INFO L225 Difference]: With dead ends: 48015 [2018-11-12 19:01:15,476 INFO L226 Difference]: Without dead ends: 29457 [2018-11-12 19:01:15,525 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:01:15,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29457 states. [2018-11-12 19:01:16,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29457 to 29303. [2018-11-12 19:01:16,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29303 states. [2018-11-12 19:01:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29303 states to 29303 states and 42010 transitions. [2018-11-12 19:01:16,256 INFO L78 Accepts]: Start accepts. Automaton has 29303 states and 42010 transitions. Word has length 233 [2018-11-12 19:01:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:16,257 INFO L480 AbstractCegarLoop]: Abstraction has 29303 states and 42010 transitions. [2018-11-12 19:01:16,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:01:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 29303 states and 42010 transitions. [2018-11-12 19:01:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-12 19:01:16,274 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:16,274 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, 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] [2018-11-12 19:01:16,275 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:16,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:16,275 INFO L82 PathProgramCache]: Analyzing trace with hash -16938847, now seen corresponding path program 1 times [2018-11-12 19:01:16,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:16,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:16,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:16,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:16,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 116 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:01:16,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:01:16,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:01:16,631 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-12 19:01:16,633 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], [3043], [3047], [3049], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [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], [3281], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 19:01:16,710 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:01:16,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:01:17,565 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:01:17,567 INFO L272 AbstractInterpreter]: Visited 110 different actions 110 times. Never merged. Never widened. Performed 2442 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 19:01:17,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:17,620 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:01:18,392 INFO L227 lantSequenceWeakener]: Weakened 224 states. On average, predicates are now at 71.8% of their original sizes. [2018-11-12 19:01:18,392 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:01:19,226 INFO L415 sIntCurrentIteration]: We unified 245 AI predicates to 245 [2018-11-12 19:01:19,226 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:01:19,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:01:19,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-12 19:01:19,228 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:01:19,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 19:01:19,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 19:01:19,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-12 19:01:19,229 INFO L87 Difference]: Start difference. First operand 29303 states and 42010 transitions. Second operand 11 states. [2018-11-12 19:01:33,663 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:02:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:02:40,778 INFO L93 Difference]: Finished difference Result 59409 states and 85030 transitions. [2018-11-12 19:02:40,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-12 19:02:40,778 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 246 [2018-11-12 19:02:40,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:02:40,881 INFO L225 Difference]: With dead ends: 59409 [2018-11-12 19:02:40,881 INFO L226 Difference]: Without dead ends: 30112 [2018-11-12 19:02:40,938 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 250 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-11-12 19:02:40,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30112 states. [2018-11-12 19:02:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30112 to 30107. [2018-11-12 19:02:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30107 states. [2018-11-12 19:02:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30107 states to 30107 states and 42826 transitions. [2018-11-12 19:02:41,475 INFO L78 Accepts]: Start accepts. Automaton has 30107 states and 42826 transitions. Word has length 246 [2018-11-12 19:02:41,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:02:41,476 INFO L480 AbstractCegarLoop]: Abstraction has 30107 states and 42826 transitions. [2018-11-12 19:02:41,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 19:02:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30107 states and 42826 transitions. [2018-11-12 19:02:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-12 19:02:41,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:02:41,489 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 19:02:41,489 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:02:41,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:02:41,490 INFO L82 PathProgramCache]: Analyzing trace with hash 2042395854, now seen corresponding path program 1 times [2018-11-12 19:02:41,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:02:41,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:02:41,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:02:41,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:02:41,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:02:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:02:41,884 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:02:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 111 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:02:42,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:02:42,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:02:42,739 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-11-12 19:02:42,741 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], [3043], [3047], [3049], [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], [3281], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 19:02:42,748 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:02:42,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:02:43,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:02:43,632 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 5 different actions 9 times. Never widened. Performed 7041 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7041 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 19:02:43,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:02:43,669 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:02:44,412 INFO L227 lantSequenceWeakener]: Weakened 297 states. On average, predicates are now at 71.42% of their original sizes. [2018-11-12 19:02:44,413 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:02:45,363 INFO L415 sIntCurrentIteration]: We unified 299 AI predicates to 299 [2018-11-12 19:02:45,364 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:02:45,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:02:45,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-12 19:02:45,364 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:02:45,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 19:02:45,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 19:02:45,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 19:02:45,365 INFO L87 Difference]: Start difference. First operand 30107 states and 42826 transitions. Second operand 11 states. [2018-11-12 19:02:51,926 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 19:03:23,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-12 19:03:23,424 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:03:23,429 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:03:23,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:03:23 BoogieIcfgContainer [2018-11-12 19:03:23,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:03:23,431 INFO L168 Benchmark]: Toolchain (without parser) took 203176.39 ms. Allocated memory was 1.5 GB in the beginning and 5.8 GB in the end (delta: 4.2 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -24.0 MB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2018-11-12 19:03:23,432 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 19:03:23,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2446.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:23,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 436.09 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 813.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:23,434 INFO L168 Benchmark]: Boogie Preprocessor took 275.68 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: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:23,435 INFO L168 Benchmark]: RCFGBuilder took 10635.01 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 187.2 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -37.1 MB). Peak memory consumption was 692.3 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:23,436 INFO L168 Benchmark]: TraceAbstraction took 189377.92 ms. Allocated memory was 2.5 GB in the beginning and 5.8 GB in the end (delta: 3.2 GB). Free memory was 2.3 GB in the beginning and 1.5 GB in the end (delta: 835.0 MB). Peak memory consumption was 4.1 GB. Max. memory is 7.1 GB. [2018-11-12 19:03:23,442 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2446.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 436.09 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 813.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 275.68 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: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10635.01 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 187.2 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -37.1 MB). Peak memory consumption was 692.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 189377.92 ms. Allocated memory was 2.5 GB in the beginning and 5.8 GB in the end (delta: 3.2 GB). Free memory was 2.3 GB in the beginning and 1.5 GB in the end (delta: 835.0 MB). Peak memory consumption was 4.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (30107states) and FLOYD_HOARE automaton (currently 14 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (22648 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 189.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 177.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4207 SDtfs, 23705 SDslu, 3894 SDs, 0 SdLazy, 39086 SolverSat, 9616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 604 GetRequests, 538 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30107occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9978237498062464 AbsIntWeakeningRatio, 0.09926470588235294 AbsIntAvgWeakeningVarsNumRemoved, 11.641544117647058 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1315 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1289 NumberOfCodeBlocks, 1289 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1282 ConstructedInterpolants, 0 QuantifiedInterpolants, 1078034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 464/645 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown