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_label27_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:33:44,933 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:33:44,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:33:44,948 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:33:44,949 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:33:44,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:33:44,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:33:44,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:33:44,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:33:44,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:33:44,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:33:44,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:33:44,961 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:33:44,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:33:44,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:33:44,966 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:33:44,967 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:33:44,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:33:44,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:33:44,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:33:44,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:33:44,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:33:44,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:33:44,990 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:33:44,990 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:33:44,991 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:33:44,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:33:44,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:33:44,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:33:45,000 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:33:45,001 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:33:45,002 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:33:45,002 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:33:45,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:33:45,003 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:33:45,004 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:33:45,004 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 18:33:45,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:33:45,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:33:45,040 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:33:45,041 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:33:45,041 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:33:45,041 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:33:45,041 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:33:45,042 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:33:45,042 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:33:45,042 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:33:45,042 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:33:45,042 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:33:45,043 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:33:45,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:33:45,044 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:33:45,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:33:45,044 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:33:45,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:33:45,046 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:33:45,047 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:33:45,047 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:33:45,047 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:33:45,047 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:33:45,048 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:33:45,048 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:33:45,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:33:45,048 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:33:45,049 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:33:45,049 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:33:45,049 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:33:45,049 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:33:45,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:33:45,050 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:33:45,050 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:33:45,050 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:33:45,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:33:45,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:33:45,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:33:45,122 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:33:45,123 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:33:45,123 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label27_false-unreach-call.c [2018-11-07 18:33:45,185 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fd9a1b4/f57acb8f790445c5889a929cf3237054/FLAGdec176bb8 [2018-11-07 18:33:46,122 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:33:46,123 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label27_false-unreach-call.c [2018-11-07 18:33:46,175 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fd9a1b4/f57acb8f790445c5889a929cf3237054/FLAGdec176bb8 [2018-11-07 18:33:46,193 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fd9a1b4/f57acb8f790445c5889a929cf3237054 [2018-11-07 18:33:46,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:33:46,210 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:33:46,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:33:46,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:33:46,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:33:46,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:33:46" (1/1) ... [2018-11-07 18:33:46,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cac6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:46, skipping insertion in model container [2018-11-07 18:33:46,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:33:46" (1/1) ... [2018-11-07 18:33:46,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:33:46,509 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:33:48,683 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:33:48,690 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:33:49,815 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:33:49,883 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:33:49,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49 WrapperNode [2018-11-07 18:33:49,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:33:49,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:33:49,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:33:49,885 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:33:49,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:33:50,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:33:50,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:33:50,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:33:50,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (1/1) ... [2018-11-07 18:33:50,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:33:50,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:33:50,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:33:50,787 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:33:50,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (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 18:33:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:33:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:33:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:33:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 18:33:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 18:33:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 18:33:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 18:33:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 18:33:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 18:33:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 18:33:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 18:33:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 18:33:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 18:33:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:33:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:33:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:33:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:33:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:33:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:34:05,633 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:34:05,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:34:05 BoogieIcfgContainer [2018-11-07 18:34:05,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:34:05,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:34:05,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:34:05,639 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:34:05,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:33:46" (1/3) ... [2018-11-07 18:34:05,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d87bff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:34:05, skipping insertion in model container [2018-11-07 18:34:05,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:33:49" (2/3) ... [2018-11-07 18:34:05,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d87bff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:34:05, skipping insertion in model container [2018-11-07 18:34:05,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:34:05" (3/3) ... [2018-11-07 18:34:05,643 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label27_false-unreach-call.c [2018-11-07 18:34:05,653 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:34:05,665 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:34:05,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:34:05,738 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:34:05,738 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:34:05,739 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:34:05,739 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:34:05,739 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:34:05,739 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:34:05,739 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:34:05,739 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:34:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 18:34:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-07 18:34:05,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:34:05,814 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] [2018-11-07 18:34:05,816 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:34:05,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:34:05,825 INFO L82 PathProgramCache]: Analyzing trace with hash 510178580, now seen corresponding path program 1 times [2018-11-07 18:34:05,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:34:05,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:34:05,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:34:05,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:34:05,879 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:34:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:34:06,315 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 18:34:06,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:34:06,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 18:34:06,318 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:34:06,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 18:34:06,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 18:34:06,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:34:06,344 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-11-07 18:34:26,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:34:26,671 INFO L93 Difference]: Finished difference Result 6465 states and 12332 transitions. [2018-11-07 18:34:26,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:34:26,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-11-07 18:34:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:34:26,723 INFO L225 Difference]: With dead ends: 6465 [2018-11-07 18:34:26,723 INFO L226 Difference]: Without dead ends: 4681 [2018-11-07 18:34:26,738 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:34:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-11-07 18:34:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 3200. [2018-11-07 18:34:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3200 states. [2018-11-07 18:34:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5132 transitions. [2018-11-07 18:34:27,084 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5132 transitions. Word has length 34 [2018-11-07 18:34:27,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:34:27,085 INFO L480 AbstractCegarLoop]: Abstraction has 3200 states and 5132 transitions. [2018-11-07 18:34:27,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 18:34:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5132 transitions. [2018-11-07 18:34:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-07 18:34:27,091 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:34:27,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:27,092 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:34:27,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:34:27,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1924817033, now seen corresponding path program 1 times [2018-11-07 18:34:27,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:34:27,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:34:27,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:34:27,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:34:27,095 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:34:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:34:27,448 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:34:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:34:27,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:34:27,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:34:27,834 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:34:27,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:34:27,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:34:27,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:34:27,837 INFO L87 Difference]: Start difference. First operand 3200 states and 5132 transitions. Second operand 6 states. [2018-11-07 18:34:50,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:34:50,859 INFO L93 Difference]: Finished difference Result 12097 states and 19723 transitions. [2018-11-07 18:34:50,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:34:50,862 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-11-07 18:34:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:34:50,916 INFO L225 Difference]: With dead ends: 12097 [2018-11-07 18:34:50,917 INFO L226 Difference]: Without dead ends: 8903 [2018-11-07 18:34:50,932 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:34:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8903 states. [2018-11-07 18:34:51,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8903 to 8846. [2018-11-07 18:34:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-11-07 18:34:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 12708 transitions. [2018-11-07 18:34:51,392 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 12708 transitions. Word has length 106 [2018-11-07 18:34:51,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:34:51,394 INFO L480 AbstractCegarLoop]: Abstraction has 8846 states and 12708 transitions. [2018-11-07 18:34:51,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:34:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 12708 transitions. [2018-11-07 18:34:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-07 18:34:51,408 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:34:51,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:51,411 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:34:51,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:34:51,411 INFO L82 PathProgramCache]: Analyzing trace with hash 289117920, now seen corresponding path program 1 times [2018-11-07 18:34:51,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:34:51,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:34:51,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:34:51,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:34:51,413 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:34:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:34:51,664 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:34:51,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:34:51,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:34:51,665 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:34:51,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:34:51,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:34:51,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:34:51,667 INFO L87 Difference]: Start difference. First operand 8846 states and 12708 transitions. Second operand 6 states. [2018-11-07 18:35:11,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:35:11,588 INFO L93 Difference]: Finished difference Result 29431 states and 43425 transitions. [2018-11-07 18:35:11,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:35:11,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-07 18:35:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:35:11,685 INFO L225 Difference]: With dead ends: 29431 [2018-11-07 18:35:11,685 INFO L226 Difference]: Without dead ends: 20591 [2018-11-07 18:35:11,727 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 18:35:11,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20591 states. [2018-11-07 18:35:12,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20591 to 20435. [2018-11-07 18:35:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20435 states. [2018-11-07 18:35:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20435 states to 20435 states and 28676 transitions. [2018-11-07 18:35:12,245 INFO L78 Accepts]: Start accepts. Automaton has 20435 states and 28676 transitions. Word has length 108 [2018-11-07 18:35:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:35:12,246 INFO L480 AbstractCegarLoop]: Abstraction has 20435 states and 28676 transitions. [2018-11-07 18:35:12,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:35:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 20435 states and 28676 transitions. [2018-11-07 18:35:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-07 18:35:12,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:35:12,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:12,253 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:35:12,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:35:12,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1954797511, now seen corresponding path program 1 times [2018-11-07 18:35:12,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:35:12,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:12,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:35:12,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:12,258 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:35:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:35:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:35:12,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:35:12,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:35:12,731 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:35:12,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:35:12,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:35:12,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:35:12,732 INFO L87 Difference]: Start difference. First operand 20435 states and 28676 transitions. Second operand 6 states. [2018-11-07 18:35:27,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:35:27,941 INFO L93 Difference]: Finished difference Result 62251 states and 89682 transitions. [2018-11-07 18:35:27,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 18:35:27,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-11-07 18:35:27,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:35:28,092 INFO L225 Difference]: With dead ends: 62251 [2018-11-07 18:35:28,093 INFO L226 Difference]: Without dead ends: 41822 [2018-11-07 18:35:28,152 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:35:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41822 states. [2018-11-07 18:35:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41822 to 41453. [2018-11-07 18:35:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41453 states. [2018-11-07 18:35:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41453 states to 41453 states and 57645 transitions. [2018-11-07 18:35:29,312 INFO L78 Accepts]: Start accepts. Automaton has 41453 states and 57645 transitions. Word has length 116 [2018-11-07 18:35:29,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:35:29,312 INFO L480 AbstractCegarLoop]: Abstraction has 41453 states and 57645 transitions. [2018-11-07 18:35:29,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:35:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 41453 states and 57645 transitions. [2018-11-07 18:35:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 18:35:29,316 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:35:29,316 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:29,316 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:35:29,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:35:29,317 INFO L82 PathProgramCache]: Analyzing trace with hash -982448335, now seen corresponding path program 1 times [2018-11-07 18:35:29,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:35:29,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:29,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:35:29,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:29,318 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:35:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:35:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:35:29,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:35:29,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:35:29,654 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:35:29,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:35:29,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:35:29,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:35:29,655 INFO L87 Difference]: Start difference. First operand 41453 states and 57645 transitions. Second operand 5 states. [2018-11-07 18:35:50,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:35:50,374 INFO L93 Difference]: Finished difference Result 125609 states and 179907 transitions. [2018-11-07 18:35:50,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 18:35:50,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-07 18:35:50,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:35:50,656 INFO L225 Difference]: With dead ends: 125609 [2018-11-07 18:35:50,656 INFO L226 Difference]: Without dead ends: 84162 [2018-11-07 18:35:50,761 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 18:35:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84162 states. [2018-11-07 18:35:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84162 to 82967. [2018-11-07 18:35:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82967 states. [2018-11-07 18:35:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82967 states to 82967 states and 106735 transitions. [2018-11-07 18:35:52,244 INFO L78 Accepts]: Start accepts. Automaton has 82967 states and 106735 transitions. Word has length 136 [2018-11-07 18:35:52,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:35:52,245 INFO L480 AbstractCegarLoop]: Abstraction has 82967 states and 106735 transitions. [2018-11-07 18:35:52,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:35:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 82967 states and 106735 transitions. [2018-11-07 18:35:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 18:35:52,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:35:52,251 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:52,251 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:35:52,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:35:52,253 INFO L82 PathProgramCache]: Analyzing trace with hash -674403138, now seen corresponding path program 1 times [2018-11-07 18:35:52,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:35:52,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:52,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:35:52,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:35:52,254 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:35:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:35:52,569 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:35:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:35:52,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:35:52,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:35:52,783 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:35:52,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:35:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:35:52,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:35:52,785 INFO L87 Difference]: Start difference. First operand 82967 states and 106735 transitions. Second operand 6 states. [2018-11-07 18:36:06,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:36:06,889 INFO L93 Difference]: Finished difference Result 187610 states and 251778 transitions. [2018-11-07 18:36:06,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:36:06,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-07 18:36:06,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:36:07,201 INFO L225 Difference]: With dead ends: 187610 [2018-11-07 18:36:07,201 INFO L226 Difference]: Without dead ends: 104649 [2018-11-07 18:36:07,347 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 18:36:07,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104649 states. [2018-11-07 18:36:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104649 to 103909. [2018-11-07 18:36:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103909 states. [2018-11-07 18:36:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103909 states to 103909 states and 134086 transitions. [2018-11-07 18:36:09,791 INFO L78 Accepts]: Start accepts. Automaton has 103909 states and 134086 transitions. Word has length 199 [2018-11-07 18:36:09,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:36:09,792 INFO L480 AbstractCegarLoop]: Abstraction has 103909 states and 134086 transitions. [2018-11-07 18:36:09,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:36:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 103909 states and 134086 transitions. [2018-11-07 18:36:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-11-07 18:36:09,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:36:09,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:09,817 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:36:09,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:36:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash 924629389, now seen corresponding path program 1 times [2018-11-07 18:36:09,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:36:09,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:09,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:36:09,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:36:09,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:36:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:36:10,285 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:36:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 18:36:10,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:36:10,630 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:36:10,632 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 522 with the following transitions: [2018-11-07 18:36:10,636 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5093], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5398], [5400], [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], [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], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-11-07 18:36:10,722 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:36:10,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:36:12,040 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:36:12,041 INFO L272 AbstractInterpreter]: Visited 488 different actions 488 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 18:36:12,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:36:12,084 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:36:13,148 INFO L227 lantSequenceWeakener]: Weakened 512 states. On average, predicates are now at 75.08% of their original sizes. [2018-11-07 18:36:13,148 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:36:13,689 INFO L415 sIntCurrentIteration]: We unified 520 AI predicates to 520 [2018-11-07 18:36:13,690 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:36:13,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:36:13,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-07 18:36:13,691 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:36:13,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 18:36:13,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 18:36:13,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:36:13,693 INFO L87 Difference]: Start difference. First operand 103909 states and 134086 transitions. Second operand 9 states. [2018-11-07 18:36:22,738 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 18:37:20,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 18:37:20,315 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 18:37:20,321 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 18:37:20,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:37:20 BoogieIcfgContainer [2018-11-07 18:37:20,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:37:20,323 INFO L168 Benchmark]: Toolchain (without parser) took 214114.20 ms. Allocated memory was 1.5 GB in the beginning and 5.1 GB in the end (delta: 3.6 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-07 18:37:20,324 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:37:20,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3672.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 989.8 MB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:37:20,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.47 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 836.2 MB). Free memory was 989.8 MB 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 18:37:20,326 INFO L168 Benchmark]: Boogie Preprocessor took 359.76 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2018-11-07 18:37:20,327 INFO L168 Benchmark]: RCFGBuilder took 14847.66 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 151.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 529.2 MB). Peak memory consumption was 680.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:37:20,328 INFO L168 Benchmark]: TraceAbstraction took 194686.84 ms. Allocated memory was 2.5 GB in the beginning and 5.1 GB in the end (delta: 2.6 GB). Free memory was 1.7 GB in the beginning and 3.9 GB in the end (delta: -2.2 GB). Peak memory consumption was 448.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:37:20,334 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 3672.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 989.8 MB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 541.47 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 836.2 MB). Free memory was 989.8 MB 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 359.76 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14847.66 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 151.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 529.2 MB). Peak memory consumption was 680.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194686.84 ms. Allocated memory was 2.5 GB in the beginning and 5.1 GB in the end (delta: 2.6 GB). Free memory was 1.7 GB in the beginning and 3.9 GB in the end (delta: -2.2 GB). Peak memory consumption was 448.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 97). Cancelled while BasicCegarLoop was constructing difference of abstraction (103909states) and FLOYD_HOARE automaton (currently 9 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (51344 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 194.5s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 181.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4938 SDtfs, 40351 SDslu, 5617 SDs, 0 SdLazy, 62774 SolverSat, 13846 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 124.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 578 GetRequests, 529 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103909occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9991740143914055 AbsIntWeakeningRatio, 0.04807692307692308 AbsIntAvgWeakeningVarsNumRemoved, 19.684615384615384 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 3998 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1220 NumberOfCodeBlocks, 1220 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1213 ConstructedInterpolants, 0 QuantifiedInterpolants, 1280030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 139/162 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown