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/Problem19_label43_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:35:03,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:35:03,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:35:03,791 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:35:03,791 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:35:03,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:35:03,793 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:35:03,795 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:35:03,797 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:35:03,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:35:03,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:35:03,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:35:03,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:35:03,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:35:03,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:35:03,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:35:03,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:35:03,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:35:03,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:35:03,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:35:03,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:35:03,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:35:03,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:35:03,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:35:03,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:35:03,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:35:03,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:35:03,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:35:03,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:35:03,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:35:03,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:35:03,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:35:03,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:35:03,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:35:03,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:35:03,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:35:03,829 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 [2018-11-07 18:35:03,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:35:03,852 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:35:03,852 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:35:03,853 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:35:03,854 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:35:03,854 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:35:03,854 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:35:03,854 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:35:03,854 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:35:03,855 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:35:03,855 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:35:03,855 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:35:03,855 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:35:03,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:35:03,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:35:03,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:35:03,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:35:03,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:35:03,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:35:03,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:35:03,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:35:03,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:35:03,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:35:03,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:35:03,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:35:03,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:35:03,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:35:03,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:35:03,861 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:35:03,861 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:35:03,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:35:03,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:35:03,862 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:35:03,862 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:35:03,862 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:35:03,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:35:03,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:35:03,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:35:03,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:35:03,935 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:35:03,936 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c [2018-11-07 18:35:04,005 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc19b5853/9a6f3f250d174ac597db2dba150b6bff/FLAG21a8c9407 [2018-11-07 18:35:04,886 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:35:04,887 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c [2018-11-07 18:35:04,933 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc19b5853/9a6f3f250d174ac597db2dba150b6bff/FLAG21a8c9407 [2018-11-07 18:35:04,953 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc19b5853/9a6f3f250d174ac597db2dba150b6bff [2018-11-07 18:35:04,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:35:04,969 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:35:04,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:35:04,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:35:04,976 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:35:04,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:35:04" (1/1) ... [2018-11-07 18:35:04,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53459a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:04, skipping insertion in model container [2018-11-07 18:35:04,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:35:04" (1/1) ... [2018-11-07 18:35:04,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:35:05,260 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:35:07,246 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:35:07,251 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:35:08,413 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:35:08,469 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:35:08,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08 WrapperNode [2018-11-07 18:35:08,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:35:08,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:35:08,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:35:08,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:35:08,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:08,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:35:09,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:35:09,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:35:09,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:35:09,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... [2018-11-07 18:35:09,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:35:09,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:35:09,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:35:09,426 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:35:09,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:35:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:35:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:35:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:35:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 18:35:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 18:35:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 18:35:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 18:35:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 18:35:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 18:35:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 18:35:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 18:35:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 18:35:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 18:35:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:35:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:35:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:35:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:35:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:35:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:35:24,805 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:35:24,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:35:24 BoogieIcfgContainer [2018-11-07 18:35:24,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:35:24,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:35:24,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:35:24,811 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:35:24,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:35:04" (1/3) ... [2018-11-07 18:35:24,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227a2431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:35:24, skipping insertion in model container [2018-11-07 18:35:24,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:35:08" (2/3) ... [2018-11-07 18:35:24,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227a2431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:35:24, skipping insertion in model container [2018-11-07 18:35:24,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:35:24" (3/3) ... [2018-11-07 18:35:24,814 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label43_false-unreach-call.c [2018-11-07 18:35:24,824 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:35:24,834 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:35:24,851 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:35:24,903 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:35:24,903 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:35:24,904 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:35:24,904 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:35:24,904 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:35:24,904 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:35:24,904 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:35:24,904 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:35:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 18:35:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-07 18:35:24,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:35:24,986 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] [2018-11-07 18:35:24,988 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:35:24,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:35:24,994 INFO L82 PathProgramCache]: Analyzing trace with hash 522574706, now seen corresponding path program 1 times [2018-11-07 18:35:24,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:35:25,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:25,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:35:25,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:25,046 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:35:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:35:25,427 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:35:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:35:25,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:35:25,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:35:25,477 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:35:25,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:35:25,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:35:25,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:35:25,502 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-07 18:35:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:35:38,705 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-11-07 18:35:38,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:35:38,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-07 18:35:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:35:38,769 INFO L225 Difference]: With dead ends: 4998 [2018-11-07 18:35:38,769 INFO L226 Difference]: Without dead ends: 3218 [2018-11-07 18:35:38,788 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:35:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-11-07 18:35:38,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-11-07 18:35:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-07 18:35:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-11-07 18:35:39,024 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 29 [2018-11-07 18:35:39,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:35:39,025 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-11-07 18:35:39,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:35:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-11-07 18:35:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-07 18:35:39,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:35:39,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:35:39,039 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:35:39,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:35:39,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1863173052, now seen corresponding path program 1 times [2018-11-07 18:35:39,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:35:39,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:39,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:35:39,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:39,043 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:35:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:35:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:35:39,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:35:39,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:35:39,381 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:35:39,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:35:39,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:35:39,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:35:39,384 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-11-07 18:36:00,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:36:00,501 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-11-07 18:36:00,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:36:00,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-07 18:36:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:36:00,547 INFO L225 Difference]: With dead ends: 9340 [2018-11-07 18:36:00,547 INFO L226 Difference]: Without dead ends: 6131 [2018-11-07 18:36:00,558 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 [2018-11-07 18:36:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-11-07 18:36:00,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-11-07 18:36:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-11-07 18:36:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-11-07 18:36:00,713 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 101 [2018-11-07 18:36:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:36:00,714 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-11-07 18:36:00,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:36:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-11-07 18:36:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-07 18:36:00,717 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:36:00,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:36:00,717 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:36:00,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:36:00,718 INFO L82 PathProgramCache]: Analyzing trace with hash -678238073, now seen corresponding path program 1 times [2018-11-07 18:36:00,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:36:00,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:00,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:36:00,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:00,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:36:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:36:00,964 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:36:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:36:01,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:36:01,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:36:01,190 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:36:01,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:36:01,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:36:01,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:36:01,191 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-11-07 18:36:22,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:36:22,999 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-11-07 18:36:22,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:36:22,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-07 18:36:23,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:36:23,082 INFO L225 Difference]: With dead ends: 21091 [2018-11-07 18:36:23,082 INFO L226 Difference]: Without dead ends: 15006 [2018-11-07 18:36:23,110 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 [2018-11-07 18:36:23,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-11-07 18:36:23,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-11-07 18:36:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-11-07 18:36:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-11-07 18:36:23,475 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 103 [2018-11-07 18:36:23,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:36:23,476 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-11-07 18:36:23,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:36:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-11-07 18:36:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-07 18:36:23,480 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:36:23,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:36:23,480 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:36:23,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:36:23,481 INFO L82 PathProgramCache]: Analyzing trace with hash -89352888, now seen corresponding path program 1 times [2018-11-07 18:36:23,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:36:23,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:23,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:36:23,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:23,482 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:36:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:36:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:36:23,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:36:23,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:36:23,750 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:36:23,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:36:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:36:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:36:23,752 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-11-07 18:36:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:36:51,980 INFO L93 Difference]: Finished difference Result 58666 states and 93382 transitions. [2018-11-07 18:36:51,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:36:51,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-07 18:36:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:36:52,129 INFO L225 Difference]: With dead ends: 58666 [2018-11-07 18:36:52,129 INFO L226 Difference]: Without dead ends: 43855 [2018-11-07 18:36:52,197 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-07 18:36:52,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43855 states. [2018-11-07 18:36:53,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43855 to 43759. [2018-11-07 18:36:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43759 states. [2018-11-07 18:36:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43759 states to 43759 states and 63261 transitions. [2018-11-07 18:36:53,202 INFO L78 Accepts]: Start accepts. Automaton has 43759 states and 63261 transitions. Word has length 125 [2018-11-07 18:36:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:36:53,203 INFO L480 AbstractCegarLoop]: Abstraction has 43759 states and 63261 transitions. [2018-11-07 18:36:53,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:36:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 43759 states and 63261 transitions. [2018-11-07 18:36:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-07 18:36:53,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:36:53,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:36:53,208 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:36:53,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:36:53,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1894066628, now seen corresponding path program 1 times [2018-11-07 18:36:53,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:36:53,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:53,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:36:53,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:53,210 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:36:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:36:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:36:53,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:36:53,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:36:53,521 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:36:53,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:36:53,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:36:53,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:36:53,523 INFO L87 Difference]: Start difference. First operand 43759 states and 63261 transitions. Second operand 5 states. [2018-11-07 18:37:12,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:37:12,799 INFO L93 Difference]: Finished difference Result 132503 states and 204801 transitions. [2018-11-07 18:37:12,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:37:12,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-07 18:37:12,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:37:13,182 INFO L225 Difference]: With dead ends: 132503 [2018-11-07 18:37:13,183 INFO L226 Difference]: Without dead ends: 88750 [2018-11-07 18:37:13,308 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 18:37:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88750 states. [2018-11-07 18:37:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88750 to 87971. [2018-11-07 18:37:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87971 states. [2018-11-07 18:37:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87971 states to 87971 states and 121114 transitions. [2018-11-07 18:37:15,320 INFO L78 Accepts]: Start accepts. Automaton has 87971 states and 121114 transitions. Word has length 134 [2018-11-07 18:37:15,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:37:15,321 INFO L480 AbstractCegarLoop]: Abstraction has 87971 states and 121114 transitions. [2018-11-07 18:37:15,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:37:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 87971 states and 121114 transitions. [2018-11-07 18:37:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-07 18:37:15,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:37:15,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:37:15,331 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:37:15,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:37:15,331 INFO L82 PathProgramCache]: Analyzing trace with hash -711587973, now seen corresponding path program 1 times [2018-11-07 18:37:15,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:37:15,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:37:15,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:37:15,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:37:15,332 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:37:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:37:15,619 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:37:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:37:15,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:37:15,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:37:15,981 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:37:15,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:37:15,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:37:15,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:37:15,983 INFO L87 Difference]: Start difference. First operand 87971 states and 121114 transitions. Second operand 6 states. [2018-11-07 18:37:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:37:35,918 INFO L93 Difference]: Finished difference Result 207661 states and 304071 transitions. [2018-11-07 18:37:35,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:37:35,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-07 18:37:35,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:37:36,345 INFO L225 Difference]: With dead ends: 207661 [2018-11-07 18:37:36,346 INFO L226 Difference]: Without dead ends: 119696 [2018-11-07 18:37:36,564 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:37:36,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119696 states. [2018-11-07 18:37:38,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119696 to 119292. [2018-11-07 18:37:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119292 states. [2018-11-07 18:37:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119292 states to 119292 states and 160358 transitions. [2018-11-07 18:37:39,955 INFO L78 Accepts]: Start accepts. Automaton has 119292 states and 160358 transitions. Word has length 162 [2018-11-07 18:37:39,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:37:39,956 INFO L480 AbstractCegarLoop]: Abstraction has 119292 states and 160358 transitions. [2018-11-07 18:37:39,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:37:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 119292 states and 160358 transitions. [2018-11-07 18:37:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-07 18:37:39,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:37:39,975 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 18:37:39,975 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:37:39,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:37:39,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1973286022, now seen corresponding path program 1 times [2018-11-07 18:37:39,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:37:39,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:37:39,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:37:39,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:37:39,977 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:37:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:37:40,242 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:37:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 44 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:37:40,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:37:40,479 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:37:40,480 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-07 18:37:40,482 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5358], [5360], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [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], [5722], [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], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 18:37:40,531 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:37:40,531 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:37:41,089 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:37:41,093 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 18:37:41,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:37:41,140 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:37:41,700 INFO L227 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 75.15% of their original sizes. [2018-11-07 18:37:41,700 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:37:42,052 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-07 18:37:42,053 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:37:42,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:37:42,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 18:37:42,054 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:37:42,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 18:37:42,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 18:37:42,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 18:37:42,058 INFO L87 Difference]: Start difference. First operand 119292 states and 160358 transitions. Second operand 7 states. [2018-11-07 18:37:49,865 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 18:38:35,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:38:35,256 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 18:38:35,262 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 18:38:35,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:38:35 BoogieIcfgContainer [2018-11-07 18:38:35,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:38:35,264 INFO L168 Benchmark]: Toolchain (without parser) took 210296.41 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-07 18:38:35,265 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:38:35,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3500.69 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: 382.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:38:35,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 536.73 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2018-11-07 18:38:35,267 INFO L168 Benchmark]: Boogie Preprocessor took 416.62 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:38:35,268 INFO L168 Benchmark]: RCFGBuilder took 15381.10 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 142.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 525.9 MB). Peak memory consumption was 668.0 MB. Max. memory is 7.1 GB. [2018-11-07 18:38:35,269 INFO L168 Benchmark]: TraceAbstraction took 190455.75 ms. Allocated memory was 2.5 GB in the beginning and 3.5 GB in the end (delta: 920.6 MB). Free memory was 1.7 GB in the beginning and 1.2 GB in the end (delta: 531.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:38:35,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 3500.69 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: 382.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 536.73 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 416.62 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15381.10 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 142.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 525.9 MB). Peak memory consumption was 668.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190455.75 ms. Allocated memory was 2.5 GB in the beginning and 3.5 GB in the end (delta: 920.6 MB). Free memory was 1.7 GB in the beginning and 1.2 GB in the end (delta: 531.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 82). Cancelled while BasicCegarLoop was constructing difference of abstraction (119292states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (98386 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 190.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 178.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4587 SDtfs, 39331 SDslu, 4761 SDs, 0 SdLazy, 69229 SolverSat, 15004 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 115.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 251 GetRequests, 208 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119292occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9976231619229218 AbsIntWeakeningRatio, 0.1407035175879397 AbsIntAvgWeakeningVarsNumRemoved, 18.85929648241206 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1511 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 538694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 159/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown