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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label08_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:26:56,040 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:26:56,042 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:26:56,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:26:56,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:26:56,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:26:56,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:26:56,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:26:56,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:26:56,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:26:56,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:26:56,064 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:26:56,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:26:56,066 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:26:56,068 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:26:56,069 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:26:56,070 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:26:56,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:26:56,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:26:56,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:26:56,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:26:56,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:26:56,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 22:26:56,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 22:26:56,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 22:26:56,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 22:26:56,083 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 22:26:56,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 22:26:56,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 22:26:56,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 22:26:56,086 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 22:26:56,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 22:26:56,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 22:26:56,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 22:26:56,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 22:26:56,090 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 22:26:56,090 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 22:26:56,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:26:56,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:26:56,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:26:56,116 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:26:56,116 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:26:56,117 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:26:56,120 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:26:56,121 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:26:56,121 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:26:56,121 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:26:56,121 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:26:56,121 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:26:56,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:26:56,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:26:56,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:26:56,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:26:56,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:26:56,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:26:56,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:26:56,126 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:26:56,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:26:56,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:26:56,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:26:56,126 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:26:56,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:26:56,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:26:56,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:26:56,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:26:56,128 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:26:56,128 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:26:56,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:26:56,128 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:26:56,128 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:26:56,129 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:26:56,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:26:56,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:26:56,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:26:56,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:26:56,230 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:26:56,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label08_true-unreach-call.c [2018-10-24 22:26:56,288 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/10cd2ac18/38b68b871e2b45429f6af9a31eb0c6d0/FLAG43bc380fc [2018-10-24 22:26:57,170 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:26:57,171 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label08_true-unreach-call.c [2018-10-24 22:26:57,213 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/10cd2ac18/38b68b871e2b45429f6af9a31eb0c6d0/FLAG43bc380fc [2018-10-24 22:26:57,229 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/10cd2ac18/38b68b871e2b45429f6af9a31eb0c6d0 [2018-10-24 22:26:57,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:26:57,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:26:57,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:26:57,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:26:57,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:26:57,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:26:57" (1/1) ... [2018-10-24 22:26:57,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5412784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:26:57, skipping insertion in model container [2018-10-24 22:26:57,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:26:57" (1/1) ... [2018-10-24 22:26:57,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:26:57,530 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:26:59,448 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:26:59,452 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:27:00,517 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:27:00,572 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:27:00,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00 WrapperNode [2018-10-24 22:27:00,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:27:00,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:27:00,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:27:00,574 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:27:00,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:00,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:27:01,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:27:01,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:27:01,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:27:01,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (1/1) ... [2018-10-24 22:27:01,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:27:01,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:27:01,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:27:01,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:27:01,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (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 [2018-10-24 22:27:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:27:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:27:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 22:27:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 22:27:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 22:27:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 22:27:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 22:27:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 22:27:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 22:27:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 22:27:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:27:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:27:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:27:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:27:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:27:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:27:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:27:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:27:19,494 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:27:19,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:27:19 BoogieIcfgContainer [2018-10-24 22:27:19,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:27:19,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:27:19,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:27:19,499 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:27:19,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:26:57" (1/3) ... [2018-10-24 22:27:19,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2297116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:27:19, skipping insertion in model container [2018-10-24 22:27:19,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00" (2/3) ... [2018-10-24 22:27:19,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2297116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:27:19, skipping insertion in model container [2018-10-24 22:27:19,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:27:19" (3/3) ... [2018-10-24 22:27:19,503 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label08_true-unreach-call.c [2018-10-24 22:27:19,513 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:27:19,525 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:27:19,543 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:27:19,610 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:27:19,610 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:27:19,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:27:19,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:27:19,611 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:27:19,611 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:27:19,611 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:27:19,611 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:27:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 22:27:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-24 22:27:19,687 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:27:19,688 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] [2018-10-24 22:27:19,691 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:27:19,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:27:19,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1067013884, now seen corresponding path program 1 times [2018-10-24 22:27:19,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:27:19,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:19,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:27:19,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:19,756 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:27:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:27:20,186 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:27:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:27:20,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:27:20,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 22:27:20,334 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:27:20,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:27:20,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:27:20,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:27:20,376 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 22:27:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:27:36,489 INFO L93 Difference]: Finished difference Result 5040 states and 9510 transitions. [2018-10-24 22:27:36,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:27:36,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-10-24 22:27:36,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:27:36,553 INFO L225 Difference]: With dead ends: 5040 [2018-10-24 22:27:36,553 INFO L226 Difference]: Without dead ends: 3260 [2018-10-24 22:27:36,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:27:36,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2018-10-24 22:27:36,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 3207. [2018-10-24 22:27:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-24 22:27:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 6013 transitions. [2018-10-24 22:27:36,758 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 6013 transitions. Word has length 44 [2018-10-24 22:27:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:27:36,759 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 6013 transitions. [2018-10-24 22:27:36,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:27:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 6013 transitions. [2018-10-24 22:27:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-24 22:27:36,766 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:27:36,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:27:36,767 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:27:36,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:27:36,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1389260955, now seen corresponding path program 1 times [2018-10-24 22:27:36,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:27:36,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:36,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:27:36,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:36,769 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:27:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:27:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:27:37,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:27:37,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:27:37,342 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:27:37,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:27:37,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:27:37,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:27:37,346 INFO L87 Difference]: Start difference. First operand 3207 states and 6013 transitions. Second operand 6 states. [2018-10-24 22:27:44,459 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 22:28:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:28:31,946 INFO L93 Difference]: Finished difference Result 12372 states and 23782 transitions. [2018-10-24 22:28:31,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 22:28:31,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-10-24 22:28:31,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:28:32,013 INFO L225 Difference]: With dead ends: 12372 [2018-10-24 22:28:32,014 INFO L226 Difference]: Without dead ends: 9171 [2018-10-24 22:28:32,037 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 22:28:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9171 states. [2018-10-24 22:28:32,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9171 to 9108. [2018-10-24 22:28:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9108 states. [2018-10-24 22:28:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9108 states to 9108 states and 15115 transitions. [2018-10-24 22:28:32,345 INFO L78 Accepts]: Start accepts. Automaton has 9108 states and 15115 transitions. Word has length 120 [2018-10-24 22:28:32,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:28:32,346 INFO L481 AbstractCegarLoop]: Abstraction has 9108 states and 15115 transitions. [2018-10-24 22:28:32,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:28:32,346 INFO L276 IsEmpty]: Start isEmpty. Operand 9108 states and 15115 transitions. [2018-10-24 22:28:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 22:28:32,358 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:28:32,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:28:32,359 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:28:32,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:28:32,360 INFO L82 PathProgramCache]: Analyzing trace with hash 24499535, now seen corresponding path program 1 times [2018-10-24 22:28:32,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:28:32,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:32,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:28:32,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:32,361 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:28:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:28:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:28:32,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:28:32,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:28:32,892 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:28:32,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:28:32,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:28:32,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:28:32,896 INFO L87 Difference]: Start difference. First operand 9108 states and 15115 transitions. Second operand 6 states. [2018-10-24 22:28:53,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:28:53,953 INFO L93 Difference]: Finished difference Result 27863 states and 47182 transitions. [2018-10-24 22:28:53,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 22:28:53,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-10-24 22:28:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:28:54,058 INFO L225 Difference]: With dead ends: 27863 [2018-10-24 22:28:54,058 INFO L226 Difference]: Without dead ends: 18761 [2018-10-24 22:28:54,085 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:28:54,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18761 states. [2018-10-24 22:28:54,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18761 to 18321. [2018-10-24 22:28:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18321 states. [2018-10-24 22:28:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18321 states to 18321 states and 29621 transitions. [2018-10-24 22:28:54,578 INFO L78 Accepts]: Start accepts. Automaton has 18321 states and 29621 transitions. Word has length 126 [2018-10-24 22:28:54,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:28:54,578 INFO L481 AbstractCegarLoop]: Abstraction has 18321 states and 29621 transitions. [2018-10-24 22:28:54,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:28:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 18321 states and 29621 transitions. [2018-10-24 22:28:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-24 22:28:54,583 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:28:54,584 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 22:28:54,584 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:28:54,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:28:54,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1423102032, now seen corresponding path program 1 times [2018-10-24 22:28:54,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:28:54,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:54,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:28:54,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:54,586 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:28:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:28:54,903 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:28:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 74 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 22:28:55,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:28:55,325 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:28:55,327 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-10-24 22:28:55,330 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5478], [5480], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5724], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5988], [5991], [5995], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 22:28:55,430 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:28:55,431 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:28:58,957 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:28:58,958 INFO L272 AbstractInterpreter]: Visited 130 different actions 130 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 22:28:58,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:28:58,971 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:29:01,596 INFO L232 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 75.5% of their original sizes. [2018-10-24 22:29:01,597 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:29:02,086 INFO L413 sIntCurrentIteration]: We have 242 unified AI predicates [2018-10-24 22:29:02,087 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:29:02,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:29:02,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 22:29:02,088 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:29:02,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 22:29:02,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 22:29:02,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:29:02,091 INFO L87 Difference]: Start difference. First operand 18321 states and 29621 transitions. Second operand 7 states. [2018-10-24 22:29:05,330 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 22:30:42,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:30:42,311 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:30:42,317 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:30:42,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:30:42 BoogieIcfgContainer [2018-10-24 22:30:42,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:30:42,318 INFO L168 Benchmark]: Toolchain (without parser) took 225077.10 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 2.3 GB in the end (delta: -878.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 22:30:42,320 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. [2018-10-24 22:30:42,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3330.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:42,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 774.55 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 868.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:42,322 INFO L168 Benchmark]: Boogie Preprocessor took 506.20 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:42,323 INFO L168 Benchmark]: RCFGBuilder took 17639.67 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 156.2 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 529.5 MB). Peak memory consumption was 685.8 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:42,324 INFO L168 Benchmark]: TraceAbstraction took 202821.53 ms. Allocated memory was 2.6 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: -580.2 MB). Peak memory consumption was 985.3 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:42,330 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 3330.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 774.55 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 868.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 506.20 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17639.67 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 156.2 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 529.5 MB). Peak memory consumption was 685.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202821.53 ms. Allocated memory was 2.6 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: -580.2 MB). Peak memory consumption was 985.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 127). Cancelled while BasicCegarLoop was constructing difference of abstraction (18321states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (9063 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 202.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 192.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1896 SDtfs, 18117 SDslu, 2304 SDs, 0 SdLazy, 29319 SolverSat, 6855 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 151.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 270 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18321occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9963254926891288 AbsIntWeakeningRatio, 0.11983471074380166 AbsIntAvgWeakeningVarsNumRemoved, 1031.888429752066 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 3 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 529 ConstructedInterpolants, 0 QuantifiedInterpolants, 353844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 153/218 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown