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/Problem02_label25_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:45:03,058 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:45:03,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:45:03,077 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:45:03,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:45:03,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:45:03,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:45:03,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:45:03,086 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:45:03,087 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:45:03,088 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:45:03,089 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:45:03,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:45:03,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:45:03,092 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:45:03,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:45:03,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:45:03,095 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:45:03,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:45:03,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:45:03,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:45:03,101 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:45:03,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:45:03,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:45:03,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:45:03,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:45:03,107 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:45:03,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:45:03,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:45:03,110 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:45:03,110 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:45:03,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:45:03,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:45:03,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:45:03,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:45:03,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:45:03,113 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 18:45:03,136 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:45:03,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:45:03,138 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:45:03,138 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:45:03,138 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:45:03,139 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:45:03,139 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:45:03,139 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:45:03,139 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:45:03,140 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:45:03,140 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:45:03,140 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:45:03,140 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:45:03,141 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:45:03,142 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:45:03,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:45:03,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:45:03,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:45:03,143 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:45:03,143 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:45:03,143 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:45:03,143 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:45:03,145 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:45:03,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:45:03,145 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:45:03,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:45:03,146 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:45:03,146 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:45:03,146 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:45:03,146 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:45:03,146 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:45:03,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:45:03,147 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:45:03,147 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:45:03,147 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:45:03,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:45:03,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:45:03,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:45:03,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:45:03,221 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:45:03,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-07 18:45:03,291 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79075a4ba/67087b85f8c34c38911e2a16720b9102/FLAGac7961cff [2018-11-07 18:45:03,902 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:45:03,903 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-07 18:45:03,914 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79075a4ba/67087b85f8c34c38911e2a16720b9102/FLAGac7961cff [2018-11-07 18:45:03,930 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79075a4ba/67087b85f8c34c38911e2a16720b9102 [2018-11-07 18:45:03,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:45:03,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:45:03,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:45:03,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:45:03,947 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:45:03,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:45:03" (1/1) ... [2018-11-07 18:45:03,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f02a909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:03, skipping insertion in model container [2018-11-07 18:45:03,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:45:03" (1/1) ... [2018-11-07 18:45:03,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:45:04,036 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:45:04,508 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:45:04,520 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:45:04,664 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:45:04,685 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:45:04,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04 WrapperNode [2018-11-07 18:45:04,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:45:04,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:45:04,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:45:04,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:45:04,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:45:04,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:45:04,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:45:04,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:45:04,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (1/1) ... [2018-11-07 18:45:04,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:45:04,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:45:04,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:45:04,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:45:04,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (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 18:45:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:45:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:45:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:45:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:45:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:45:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:45:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:45:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:45:05,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:45:08,104 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:45:08,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:45:08 BoogieIcfgContainer [2018-11-07 18:45:08,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:45:08,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:45:08,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:45:08,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:45:08,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:45:03" (1/3) ... [2018-11-07 18:45:08,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bf892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:45:08, skipping insertion in model container [2018-11-07 18:45:08,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:04" (2/3) ... [2018-11-07 18:45:08,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bf892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:45:08, skipping insertion in model container [2018-11-07 18:45:08,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:45:08" (3/3) ... [2018-11-07 18:45:08,118 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25_true-unreach-call_false-termination.c [2018-11-07 18:45:08,128 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:45:08,137 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:45:08,151 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:45:08,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:45:08,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:45:08,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:45:08,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:45:08,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:45:08,194 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:45:08,194 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:45:08,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:45:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:45:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-07 18:45:08,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:08,241 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:08,243 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:08,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:08,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1914702647, now seen corresponding path program 1 times [2018-11-07 18:45:08,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:08,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:08,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:08,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:08,300 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:08,870 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:45:09,028 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 18:45:09,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:45:09,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:45:09,031 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:09,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:45:09,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:45:09,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:45:09,057 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:45:10,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:10,814 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 18:45:10,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:45:10,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-11-07 18:45:10,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:10,837 INFO L225 Difference]: With dead ends: 618 [2018-11-07 18:45:10,837 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 18:45:10,844 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 18:45:10,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 18:45:10,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 18:45:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 18:45:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 18:45:10,930 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 141 [2018-11-07 18:45:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:10,932 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 18:45:10,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:45:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 18:45:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-07 18:45:10,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:10,940 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:45:10,940 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:10,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:10,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1933191934, now seen corresponding path program 1 times [2018-11-07 18:45:10,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:10,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:10,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:10,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:10,946 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:11,251 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:45:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:45:11,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:45:11,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:45:11,357 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:11,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:45:11,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:45:11,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:45:11,360 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 18:45:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:13,526 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-07 18:45:13,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 18:45:13,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-07 18:45:13,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:13,551 INFO L225 Difference]: With dead ends: 1229 [2018-11-07 18:45:13,551 INFO L226 Difference]: Without dead ends: 856 [2018-11-07 18:45:13,556 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 18:45:13,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-07 18:45:13,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-07 18:45:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-07 18:45:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-07 18:45:13,644 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 157 [2018-11-07 18:45:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:13,645 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-07 18:45:13,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:45:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-07 18:45:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 18:45:13,651 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:13,652 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:45:13,652 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:13,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:13,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1310013485, now seen corresponding path program 1 times [2018-11-07 18:45:13,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:13,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:13,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:13,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:13,655 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:13,947 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:45:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:45:14,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:45:14,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:45:14,086 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:14,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:45:14,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:45:14,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:45:14,088 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-07 18:45:18,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:18,129 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-07 18:45:18,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:45:18,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-07 18:45:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:18,151 INFO L225 Difference]: With dead ends: 2557 [2018-11-07 18:45:18,151 INFO L226 Difference]: Without dead ends: 1740 [2018-11-07 18:45:18,158 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 18:45:18,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-07 18:45:18,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-07 18:45:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-07 18:45:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-07 18:45:18,221 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 164 [2018-11-07 18:45:18,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:18,222 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-07 18:45:18,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:45:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-07 18:45:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-07 18:45:18,230 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:18,231 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-11-07 18:45:18,231 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:18,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:18,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1460724459, now seen corresponding path program 1 times [2018-11-07 18:45:18,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:18,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:18,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:18,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:18,234 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 18:45:18,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:18,384 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:18,385 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-07 18:45:18,388 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:18,443 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:18,443 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:19,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:19,212 INFO L272 AbstractInterpreter]: Visited 142 different actions 142 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:45:19,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:19,260 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:19,853 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.59% of their original sizes. [2018-11-07 18:45:19,853 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:20,118 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-07 18:45:20,118 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:20,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:20,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 18:45:20,120 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:20,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:45:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:45:20,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:45:20,122 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 14 states. [2018-11-07 18:45:35,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:35,430 INFO L93 Difference]: Finished difference Result 3656 states and 5500 transitions. [2018-11-07 18:45:35,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:45:35,430 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2018-11-07 18:45:35,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:35,442 INFO L225 Difference]: With dead ends: 3656 [2018-11-07 18:45:35,442 INFO L226 Difference]: Without dead ends: 1980 [2018-11-07 18:45:35,449 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:45:35,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-11-07 18:45:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1827. [2018-11-07 18:45:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-07 18:45:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-07 18:45:35,502 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 166 [2018-11-07 18:45:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:35,503 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-07 18:45:35,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:45:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-07 18:45:35,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-07 18:45:35,515 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:35,515 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 18:45:35,515 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:35,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:35,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2035656138, now seen corresponding path program 1 times [2018-11-07 18:45:35,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:35,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:35,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:35,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:35,517 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:45:35,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:35,837 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:35,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-07 18:45:35,838 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:35,845 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:35,845 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:36,546 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:36,547 INFO L272 AbstractInterpreter]: Visited 146 different actions 437 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:45:36,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:36,556 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:36,851 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.28% of their original sizes. [2018-11-07 18:45:36,851 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:37,168 INFO L415 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-11-07 18:45:37,169 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:37,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:37,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:45:37,170 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:37,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:45:37,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:45:37,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:45:37,171 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 10 states. [2018-11-07 18:45:45,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:45,169 INFO L93 Difference]: Finished difference Result 4463 states and 6600 transitions. [2018-11-07 18:45:45,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:45:45,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-11-07 18:45:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:45,183 INFO L225 Difference]: With dead ends: 4463 [2018-11-07 18:45:45,183 INFO L226 Difference]: Without dead ends: 2642 [2018-11-07 18:45:45,190 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:45:45,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-11-07 18:45:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2556. [2018-11-07 18:45:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2018-11-07 18:45:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3571 transitions. [2018-11-07 18:45:45,262 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3571 transitions. Word has length 176 [2018-11-07 18:45:45,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:45,262 INFO L480 AbstractCegarLoop]: Abstraction has 2556 states and 3571 transitions. [2018-11-07 18:45:45,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:45:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3571 transitions. [2018-11-07 18:45:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-07 18:45:45,272 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:45,272 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:45,273 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:45,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:45,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1144609038, now seen corresponding path program 1 times [2018-11-07 18:45:45,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:45,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:45,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:45,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:45,274 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:45:45,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:45,448 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:45,448 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-07 18:45:45,449 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:45,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:45,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:46,202 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:46,202 INFO L272 AbstractInterpreter]: Visited 145 different actions 286 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:45:46,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:46,242 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:46,621 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 81.71% of their original sizes. [2018-11-07 18:45:46,622 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:47,319 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-07 18:45:47,320 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:47,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:47,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:45:47,321 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:47,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:45:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:45:47,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:45:47,322 INFO L87 Difference]: Start difference. First operand 2556 states and 3571 transitions. Second operand 18 states. [2018-11-07 18:46:03,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:03,644 INFO L93 Difference]: Finished difference Result 5863 states and 8199 transitions. [2018-11-07 18:46:03,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:46:03,645 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 182 [2018-11-07 18:46:03,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:03,660 INFO L225 Difference]: With dead ends: 5863 [2018-11-07 18:46:03,660 INFO L226 Difference]: Without dead ends: 3313 [2018-11-07 18:46:03,668 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 18:46:03,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2018-11-07 18:46:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 3301. [2018-11-07 18:46:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2018-11-07 18:46:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 4468 transitions. [2018-11-07 18:46:03,751 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 4468 transitions. Word has length 182 [2018-11-07 18:46:03,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:03,752 INFO L480 AbstractCegarLoop]: Abstraction has 3301 states and 4468 transitions. [2018-11-07 18:46:03,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:46:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 4468 transitions. [2018-11-07 18:46:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 18:46:03,764 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:03,764 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 18:46:03,765 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:03,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:03,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1154918822, now seen corresponding path program 1 times [2018-11-07 18:46:03,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:03,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:03,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:03,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:03,766 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 59 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 18:46:04,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:04,033 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:04,033 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 18:46:04,033 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:04,038 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:04,039 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:05,274 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:05,274 INFO L272 AbstractInterpreter]: Visited 147 different actions 589 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:46:05,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:05,321 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:05,669 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 81.24% of their original sizes. [2018-11-07 18:46:05,669 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:06,860 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-07 18:46:06,860 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:06,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:06,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:46:06,861 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:06,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:46:06,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:46:06,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:46:06,862 INFO L87 Difference]: Start difference. First operand 3301 states and 4468 transitions. Second operand 10 states. [2018-11-07 18:46:12,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:12,771 INFO L93 Difference]: Finished difference Result 7443 states and 10184 transitions. [2018-11-07 18:46:12,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:46:12,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-07 18:46:12,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:12,788 INFO L225 Difference]: With dead ends: 7443 [2018-11-07 18:46:12,788 INFO L226 Difference]: Without dead ends: 4148 [2018-11-07 18:46:12,796 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 138 SyntacticMatches, 54 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:46:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2018-11-07 18:46:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 4067. [2018-11-07 18:46:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4067 states. [2018-11-07 18:46:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5417 transitions. [2018-11-07 18:46:12,898 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5417 transitions. Word has length 201 [2018-11-07 18:46:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:12,898 INFO L480 AbstractCegarLoop]: Abstraction has 4067 states and 5417 transitions. [2018-11-07 18:46:12,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:46:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5417 transitions. [2018-11-07 18:46:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 18:46:12,911 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:12,912 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:12,912 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:12,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:12,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1587966231, now seen corresponding path program 1 times [2018-11-07 18:46:12,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:12,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:12,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:12,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:12,914 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 18:46:13,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:13,065 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:13,066 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 18:46:13,066 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:13,069 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:13,070 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:13,923 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:46:13,923 INFO L272 AbstractInterpreter]: Visited 147 different actions 732 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:46:13,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:13,932 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:46:13,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:13,932 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:46:13,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:13,942 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:46:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:14,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:46:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-07 18:46:14,373 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:46:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 18:46:15,420 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:46:15,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 18:46:15,421 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:46:15,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 18:46:15,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 18:46:15,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:46:15,422 INFO L87 Difference]: Start difference. First operand 4067 states and 5417 transitions. Second operand 9 states. [2018-11-07 18:46:21,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:21,858 INFO L93 Difference]: Finished difference Result 12035 states and 17048 transitions. [2018-11-07 18:46:21,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 18:46:21,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 201 [2018-11-07 18:46:21,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:21,900 INFO L225 Difference]: With dead ends: 12035 [2018-11-07 18:46:21,900 INFO L226 Difference]: Without dead ends: 7974 [2018-11-07 18:46:21,927 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=319, Invalid=1087, Unknown=0, NotChecked=0, Total=1406 [2018-11-07 18:46:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7974 states. [2018-11-07 18:46:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7974 to 7211. [2018-11-07 18:46:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7211 states. [2018-11-07 18:46:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7211 states to 7211 states and 9017 transitions. [2018-11-07 18:46:22,139 INFO L78 Accepts]: Start accepts. Automaton has 7211 states and 9017 transitions. Word has length 201 [2018-11-07 18:46:22,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:22,140 INFO L480 AbstractCegarLoop]: Abstraction has 7211 states and 9017 transitions. [2018-11-07 18:46:22,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 18:46:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 7211 states and 9017 transitions. [2018-11-07 18:46:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-07 18:46:22,160 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:22,161 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 18:46:22,161 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:22,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:22,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1555050874, now seen corresponding path program 1 times [2018-11-07 18:46:22,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:22,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:22,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:22,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:22,163 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:22,418 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:46:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:22,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:22,805 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:22,805 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-11-07 18:46:22,806 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:22,810 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:22,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:24,018 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:46:24,019 INFO L272 AbstractInterpreter]: Visited 147 different actions 441 times. Merged at 8 different actions 24 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:46:24,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:24,060 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:46:24,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:24,060 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:46:24,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:24,074 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:46:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:24,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:46:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:46:24,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:46:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:46:24,882 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:46:24,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-07 18:46:24,882 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:46:24,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:46:24,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:46:24,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-07 18:46:24,883 INFO L87 Difference]: Start difference. First operand 7211 states and 9017 transitions. Second operand 15 states. [2018-11-07 18:46:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:29,034 INFO L93 Difference]: Finished difference Result 16992 states and 21884 transitions. [2018-11-07 18:46:29,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 18:46:29,035 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 205 [2018-11-07 18:46:29,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:29,069 INFO L225 Difference]: With dead ends: 16992 [2018-11-07 18:46:29,069 INFO L226 Difference]: Without dead ends: 8179 [2018-11-07 18:46:29,096 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 420 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:46:29,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8179 states. [2018-11-07 18:46:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8179 to 7892. [2018-11-07 18:46:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7892 states. [2018-11-07 18:46:29,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7892 states to 7892 states and 9360 transitions. [2018-11-07 18:46:29,273 INFO L78 Accepts]: Start accepts. Automaton has 7892 states and 9360 transitions. Word has length 205 [2018-11-07 18:46:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:29,274 INFO L480 AbstractCegarLoop]: Abstraction has 7892 states and 9360 transitions. [2018-11-07 18:46:29,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:46:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 7892 states and 9360 transitions. [2018-11-07 18:46:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-07 18:46:29,291 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:29,291 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:29,292 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:29,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:29,292 INFO L82 PathProgramCache]: Analyzing trace with hash -737070372, now seen corresponding path program 1 times [2018-11-07 18:46:29,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:29,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:29,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:29,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:29,293 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:29,530 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:46:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 86 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-07 18:46:30,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:30,127 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:30,127 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-07 18:46:30,128 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:30,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:30,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:31,495 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:46:31,495 INFO L272 AbstractInterpreter]: Visited 147 different actions 1026 times. Merged at 8 different actions 65 times. Widened at 1 different actions 4 times. Found 13 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-07 18:46:31,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:31,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:46:31,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:31,501 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:46:31,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:31,510 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:46:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:31,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:46:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:46:31,763 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:46:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:46:32,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:46:32,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-07 18:46:32,040 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:46:32,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:46:32,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:46:32,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-07 18:46:32,041 INFO L87 Difference]: Start difference. First operand 7892 states and 9360 transitions. Second operand 11 states. [2018-11-07 18:46:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:34,106 INFO L93 Difference]: Finished difference Result 16448 states and 19895 transitions. [2018-11-07 18:46:34,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 18:46:34,110 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2018-11-07 18:46:34,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:34,111 INFO L225 Difference]: With dead ends: 16448 [2018-11-07 18:46:34,111 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:46:34,140 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 426 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:46:34,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:46:34,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:46:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:46:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:46:34,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-11-07 18:46:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:34,142 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:46:34,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:46:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:46:34,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:46:34,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:46:34,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:34,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,043 WARN L179 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 184 [2018-11-07 18:46:35,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:35,493 WARN L179 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 211 [2018-11-07 18:46:36,250 WARN L179 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-11-07 18:46:36,551 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2018-11-07 18:46:40,376 WARN L179 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 307 DAG size of output: 44 [2018-11-07 18:46:41,440 WARN L179 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 203 DAG size of output: 90 [2018-11-07 18:46:42,570 WARN L179 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 233 DAG size of output: 90 [2018-11-07 18:46:42,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:46:42,573 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-07 18:46:42,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:46:42,574 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:46:42,575 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:46:42,576 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:46:42,577 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:46:42,578 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:46:42,579 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:46:42,580 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:46:42,581 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:46:42,582 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:46:42,583 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,584 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,585 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:46:42,586 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,587 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:46:42,588 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:46:42,589 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:46:42,590 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:46:42,591 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:46:42,591 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,591 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,591 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,591 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,591 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= |old(~a28~0)| ~a28~0)) (.cse8 (= |old(~a19~0)| ~a19~0)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= 1 |old(~a25~0)|))) (let ((.cse0 (not .cse12)) (.cse2 (and .cse13 .cse8 .cse9 (= 7 ~a17~0) .cse11)) (.cse3 (not (= 7 |old(~a17~0)|))) (.cse4 (and .cse9 .cse13 .cse8 .cse10 .cse11)) (.cse6 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (< 10 |old(~a28~0)|)) (.cse1 (= 10 |old(~a28~0)|)) (.cse5 (not (= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse0 (and .cse8 .cse9 .cse10 (<= ~a28~0 10) (<= |old(~a28~0)| ~a28~0) .cse11) .cse5) (or .cse2 (= |old(~a17~0)| |old(~a28~0)|) .cse12 .cse3) (or .cse7 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse5 (and .cse13 .cse8 .cse9 .cse10 .cse11))))) [2018-11-07 18:46:42,591 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:46:42,592 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,593 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:46:42,594 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:46:42,595 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:46:42,596 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:46:42,597 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:46:42,598 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:46:42,598 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:46:42,598 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:46:42,598 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:46:42,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:46:42,598 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 18:46:42,598 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:46:42,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:46:42,599 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:46:42,599 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:46:42,599 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (<= ~a28~0 10)) (.cse2 (not (= ~a19~0 ~a11~0))) (.cse5 (= 7 ~a17~0)) (.cse1 (= 1 ~a25~0)) (.cse4 (not (= ~a28~0 10)))) (or (and .cse0 .cse1 .cse2) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse3 .cse4) (not (= ~z~0 26)) (and .cse0 .cse3 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse3 .cse2) (and (not (= ~a28~0 ~a17~0)) (not (= ~a25~0 1)) .cse5) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse5 .cse1 .cse4) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 18:46:42,599 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:46:42,599 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:46:42,600 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 10)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse4 (not (= ~a19~0 ~a11~0))) (.cse5 (= 7 ~a17~0)) (.cse3 (= 1 ~a25~0)) (.cse2 (not (= ~a28~0 10)))) (or (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse2) (not (= ~z~0 26)) (and .cse0 .cse1 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 .cse4) (and (not (= ~a28~0 ~a17~0)) (not (= ~a25~0 1)) .cse5) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and .cse0 .cse3 .cse4) (not (= ~a~0 1)) (and .cse5 .cse3 .cse2) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 18:46:42,600 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:46:42,600 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:46:42,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:46:42 BoogieIcfgContainer [2018-11-07 18:46:42,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:46:42,614 INFO L168 Benchmark]: Toolchain (without parser) took 98672.54 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 18:46:42,615 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 18:46:42,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:42,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:42,617 INFO L168 Benchmark]: Boogie Preprocessor took 115.03 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:42,618 INFO L168 Benchmark]: RCFGBuilder took 3165.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:42,619 INFO L168 Benchmark]: TraceAbstraction took 94506.71 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-07 18:46:42,624 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 742.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 137.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.03 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3165.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 94506.71 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((\old(a17) == a17 && 1 == a25) && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || ((\old(a17) == a17 && a28 <= 10) && !(a28 == 10))) || !(z == 26)) || ((\old(a17) == a17 && a28 <= 10) && 1 == a25)) || !(0 == \old(a25))) || ((\old(a17) == a17 && a28 <= 10) && !(a19 == a11))) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || ((7 == a17 && 1 == a25) && !(a28 == 10))) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 94.4s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 66.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1665 SDtfs, 10818 SDslu, 3256 SDs, 0 SdLazy, 18272 SolverSat, 2738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2151 GetRequests, 1899 SyntacticMatches, 65 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7892occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.1s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9969803752866491 AbsIntWeakeningRatio, 0.20804438280166435 AbsIntAvgWeakeningVarsNumRemoved, 26.095700416088764 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 357 NumberOfFragments, 596 HoareAnnotationTreeSize, 231 FomulaSimplifications, 25155 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15334 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2423 NumberOfCodeBlocks, 2423 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3025 ConstructedInterpolants, 0 QuantifiedInterpolants, 972919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1526 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 1065/1179 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...