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_label32_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:45:55,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:45:55,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:45:55,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:45:55,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:45:56,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:45:56,004 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:45:56,007 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:45:56,009 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:45:56,010 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:45:56,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:45:56,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:45:56,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:45:56,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:45:56,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:45:56,015 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:45:56,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:45:56,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:45:56,025 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:45:56,031 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:45:56,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:45:56,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:45:56,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:45:56,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:45:56,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:45:56,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:45:56,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:45:56,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:45:56,043 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:45:56,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:45:56,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:45:56,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:45:56,045 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:45:56,045 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:45:56,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:45:56,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:45:56,047 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 18:45:56,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:45:56,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:45:56,066 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:45:56,066 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:45:56,066 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:45:56,067 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:45:56,067 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:45:56,067 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:45:56,067 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:45:56,067 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:45:56,068 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:45:56,068 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:45:56,068 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:45:56,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:45:56,069 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:45:56,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:45:56,069 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:45:56,069 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:45:56,070 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:45:56,070 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:45:56,070 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:45:56,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:45:56,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:45:56,071 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:45:56,071 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:45:56,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:45:56,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:45:56,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:45:56,072 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:45:56,072 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:45:56,072 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:45:56,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:45:56,072 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:45:56,073 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:45:56,073 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:45:56,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:45:56,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:45:56,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:45:56,133 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:45:56,134 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:45:56,134 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-07 18:45:56,192 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5880d945/455c97b37fd94385978b87d2e245e5d6/FLAG3f8f5ec8b [2018-11-07 18:45:56,815 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:45:56,816 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-07 18:45:56,831 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5880d945/455c97b37fd94385978b87d2e245e5d6/FLAG3f8f5ec8b [2018-11-07 18:45:56,844 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5880d945/455c97b37fd94385978b87d2e245e5d6 [2018-11-07 18:45:56,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:45:56,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:45:56,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:45:56,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:45:56,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:45:56,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:45:56" (1/1) ... [2018-11-07 18:45:56,866 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 06:45:56, skipping insertion in model container [2018-11-07 18:45:56,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:45:56" (1/1) ... [2018-11-07 18:45:56,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:45:56,938 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:45:57,432 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:45:57,439 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:45:57,578 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:45:57,595 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:45:57,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57 WrapperNode [2018-11-07 18:45:57,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:45:57,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:45:57,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:45:57,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:45:57,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:45:57,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:45:57,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:45:57,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:45:57,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (1/1) ... [2018-11-07 18:45:57,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:45:57,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:45:57,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:45:57,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:45:57,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (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 18:45:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:45:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:45:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:45:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:45:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:45:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:45:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:45:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:45:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:46:01,131 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:46:01,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:46:01 BoogieIcfgContainer [2018-11-07 18:46:01,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:46:01,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:46:01,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:46:01,142 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:46:01,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:45:56" (1/3) ... [2018-11-07 18:46:01,143 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 06:46:01, skipping insertion in model container [2018-11-07 18:46:01,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:57" (2/3) ... [2018-11-07 18:46:01,149 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 06:46:01, skipping insertion in model container [2018-11-07 18:46:01,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:46:01" (3/3) ... [2018-11-07 18:46:01,151 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-11-07 18:46:01,169 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:46:01,179 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:46:01,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:46:01,240 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:46:01,240 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:46:01,240 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:46:01,241 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:46:01,241 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:46:01,242 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:46:01,242 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:46:01,242 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:46:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:46:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-07 18:46:01,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:01,312 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] [2018-11-07 18:46:01,315 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:01,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:01,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1069812280, now seen corresponding path program 1 times [2018-11-07 18:46:01,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:01,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:01,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:01,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:01,390 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:02,016 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 18:46:02,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:02,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:46:02,019 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:02,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:46:02,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:46:02,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:02,045 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:46:03,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:03,704 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-11-07 18:46:03,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:46:03,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-07 18:46:03,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:03,728 INFO L225 Difference]: With dead ends: 626 [2018-11-07 18:46:03,728 INFO L226 Difference]: Without dead ends: 387 [2018-11-07 18:46:03,736 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:03,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-07 18:46:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-07 18:46:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 18:46:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-11-07 18:46:03,828 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 116 [2018-11-07 18:46:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:03,829 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-11-07 18:46:03,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:46:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-11-07 18:46:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-07 18:46:03,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:03,846 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:46:03,846 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:03,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:03,847 INFO L82 PathProgramCache]: Analyzing trace with hash 955548095, now seen corresponding path program 1 times [2018-11-07 18:46:03,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:03,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:03,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:03,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:03,849 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:04,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:04,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:46:04,035 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:04,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:46:04,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:46:04,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:46:04,039 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-11-07 18:46:06,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:06,111 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-11-07 18:46:06,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:46:06,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-07 18:46:06,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:06,124 INFO L225 Difference]: With dead ends: 1195 [2018-11-07 18:46:06,125 INFO L226 Difference]: Without dead ends: 818 [2018-11-07 18:46:06,131 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:46:06,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-07 18:46:06,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-11-07 18:46:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-07 18:46:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-11-07 18:46:06,198 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 137 [2018-11-07 18:46:06,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:06,198 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-11-07 18:46:06,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:46:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-11-07 18:46:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 18:46:06,204 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:06,205 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:46:06,205 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:06,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:06,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2005464109, now seen corresponding path program 1 times [2018-11-07 18:46:06,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:06,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:06,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:06,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:06,207 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:06,543 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:46:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 18:46:06,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:06,802 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:06,803 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-07 18:46:06,813 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:06,873 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:06,873 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:07,695 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:07,697 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:46:07,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:07,720 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:08,336 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 81.22% of their original sizes. [2018-11-07 18:46:08,336 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:08,883 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-07 18:46:08,884 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:08,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:08,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [4] total 16 [2018-11-07 18:46:08,885 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:08,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:46:08,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:46:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:46:08,886 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 14 states. [2018-11-07 18:46:25,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:25,619 INFO L93 Difference]: Finished difference Result 1892 states and 3057 transitions. [2018-11-07 18:46:25,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:46:25,619 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-11-07 18:46:25,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:25,626 INFO L225 Difference]: With dead ends: 1892 [2018-11-07 18:46:25,626 INFO L226 Difference]: Without dead ends: 1099 [2018-11-07 18:46:25,630 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:46:25,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2018-11-07 18:46:25,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 946. [2018-11-07 18:46:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-11-07 18:46:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1448 transitions. [2018-11-07 18:46:25,664 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1448 transitions. Word has length 138 [2018-11-07 18:46:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:25,665 INFO L480 AbstractCegarLoop]: Abstraction has 946 states and 1448 transitions. [2018-11-07 18:46:25,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:46:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1448 transitions. [2018-11-07 18:46:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 18:46:25,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:25,669 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-07 18:46:25,670 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:25,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:25,670 INFO L82 PathProgramCache]: Analyzing trace with hash 227513460, now seen corresponding path program 1 times [2018-11-07 18:46:25,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:25,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:25,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:25,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:25,672 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:25,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:25,827 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:25,827 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-07 18:46:25,827 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:25,832 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:25,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:26,168 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:26,168 INFO L272 AbstractInterpreter]: Visited 120 different actions 236 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 18:46:26,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:26,176 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:26,769 INFO L227 lantSequenceWeakener]: Weakened 55 states. On average, predicates are now at 82.02% of their original sizes. [2018-11-07 18:46:26,769 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:27,318 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-07 18:46:27,318 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:27,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:27,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:46:27,319 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:27,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:46:27,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:46:27,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:46:27,320 INFO L87 Difference]: Start difference. First operand 946 states and 1448 transitions. Second operand 18 states. [2018-11-07 18:46:43,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:43,590 INFO L93 Difference]: Finished difference Result 2477 states and 3676 transitions. [2018-11-07 18:46:43,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-07 18:46:43,590 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2018-11-07 18:46:43,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:43,600 INFO L225 Difference]: With dead ends: 2477 [2018-11-07 18:46:43,601 INFO L226 Difference]: Without dead ends: 1537 [2018-11-07 18:46:43,605 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=208, Invalid=722, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:46:43,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-11-07 18:46:43,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1387. [2018-11-07 18:46:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2018-11-07 18:46:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1944 transitions. [2018-11-07 18:46:43,657 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1944 transitions. Word has length 148 [2018-11-07 18:46:43,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:43,657 INFO L480 AbstractCegarLoop]: Abstraction has 1387 states and 1944 transitions. [2018-11-07 18:46:43,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:46:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1944 transitions. [2018-11-07 18:46:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-07 18:46:43,662 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:43,662 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 18:46:43,663 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:43,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:43,663 INFO L82 PathProgramCache]: Analyzing trace with hash 480198918, now seen corresponding path program 1 times [2018-11-07 18:46:43,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:43,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:43,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:43,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:43,664 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:44,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:44,124 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:44,124 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-07 18:46:44,124 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:44,130 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:44,130 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:44,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:44,484 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:46:44,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:44,493 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:44,870 INFO L227 lantSequenceWeakener]: Weakened 60 states. On average, predicates are now at 81.19% of their original sizes. [2018-11-07 18:46:44,870 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:47,629 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-07 18:46:47,630 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:47,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:47,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:46:47,630 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:47,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:46:47,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:46:47,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:46:47,633 INFO L87 Difference]: Start difference. First operand 1387 states and 1944 transitions. Second operand 18 states. [2018-11-07 18:46:57,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:57,455 INFO L93 Difference]: Finished difference Result 3087 states and 4682 transitions. [2018-11-07 18:46:57,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:46:57,455 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 151 [2018-11-07 18:46:57,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:57,466 INFO L225 Difference]: With dead ends: 3087 [2018-11-07 18:46:57,467 INFO L226 Difference]: Without dead ends: 1999 [2018-11-07 18:46:57,472 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 18:46:57,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2018-11-07 18:46:57,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1986. [2018-11-07 18:46:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2018-11-07 18:46:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2682 transitions. [2018-11-07 18:46:57,536 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2682 transitions. Word has length 151 [2018-11-07 18:46:57,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:57,537 INFO L480 AbstractCegarLoop]: Abstraction has 1986 states and 2682 transitions. [2018-11-07 18:46:57,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:46:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2682 transitions. [2018-11-07 18:46:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-07 18:46:57,544 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:57,544 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 18:46:57,544 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:57,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:57,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1147185395, now seen corresponding path program 1 times [2018-11-07 18:46:57,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:57,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:57,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:57,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:57,546 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:58,038 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 18:46:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:46:58,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:58,189 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:58,189 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-07 18:46:58,190 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:58,194 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:58,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:58,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:58,633 INFO L272 AbstractInterpreter]: Visited 121 different actions 362 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 18:46:58,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:58,642 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:58,848 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 80.92% of their original sizes. [2018-11-07 18:46:58,849 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:58,939 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-07 18:46:58,939 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:58,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:58,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:46:58,940 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:58,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:46:58,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:46:58,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:46:58,941 INFO L87 Difference]: Start difference. First operand 1986 states and 2682 transitions. Second operand 10 states. [2018-11-07 18:47:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:06,473 INFO L93 Difference]: Finished difference Result 4977 states and 7063 transitions. [2018-11-07 18:47:06,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:47:06,474 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-11-07 18:47:06,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:06,490 INFO L225 Difference]: With dead ends: 4977 [2018-11-07 18:47:06,490 INFO L226 Difference]: Without dead ends: 3290 [2018-11-07 18:47:06,497 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:47:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2018-11-07 18:47:06,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3228. [2018-11-07 18:47:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3228 states. [2018-11-07 18:47:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 3228 states and 4162 transitions. [2018-11-07 18:47:06,603 INFO L78 Accepts]: Start accepts. Automaton has 3228 states and 4162 transitions. Word has length 156 [2018-11-07 18:47:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:06,604 INFO L480 AbstractCegarLoop]: Abstraction has 3228 states and 4162 transitions. [2018-11-07 18:47:06,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:47:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 4162 transitions. [2018-11-07 18:47:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-07 18:47:06,615 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:06,615 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 18:47:06,615 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:06,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:06,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1758248250, now seen corresponding path program 1 times [2018-11-07 18:47:06,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:06,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:06,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:06,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:06,617 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 18:47:06,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:06,906 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:06,906 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-07 18:47:06,906 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:06,910 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:06,911 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:07,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:07,555 INFO L272 AbstractInterpreter]: Visited 122 different actions 489 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 18:47:07,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:07,564 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:07,795 INFO L227 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 80.96% of their original sizes. [2018-11-07 18:47:07,795 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:08,451 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-11-07 18:47:08,452 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:08,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:08,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:47:08,452 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:08,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:47:08,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:47:08,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:47:08,453 INFO L87 Difference]: Start difference. First operand 3228 states and 4162 transitions. Second operand 10 states. [2018-11-07 18:47:12,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:12,845 INFO L93 Difference]: Finished difference Result 7034 states and 9436 transitions. [2018-11-07 18:47:12,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:47:12,846 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2018-11-07 18:47:12,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:12,863 INFO L225 Difference]: With dead ends: 7034 [2018-11-07 18:47:12,863 INFO L226 Difference]: Without dead ends: 4105 [2018-11-07 18:47:12,873 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 132 SyntacticMatches, 29 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:47:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2018-11-07 18:47:12,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 4058. [2018-11-07 18:47:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4058 states. [2018-11-07 18:47:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4058 states to 4058 states and 5194 transitions. [2018-11-07 18:47:12,985 INFO L78 Accepts]: Start accepts. Automaton has 4058 states and 5194 transitions. Word has length 170 [2018-11-07 18:47:12,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:12,986 INFO L480 AbstractCegarLoop]: Abstraction has 4058 states and 5194 transitions. [2018-11-07 18:47:12,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:47:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 4058 states and 5194 transitions. [2018-11-07 18:47:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-07 18:47:12,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:12,997 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 18:47:12,998 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:12,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:12,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1989210908, now seen corresponding path program 1 times [2018-11-07 18:47:12,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:12,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:12,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:12,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:13,000 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:47:13,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:13,267 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:13,267 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-07 18:47:13,268 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [75], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:13,270 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:13,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:13,944 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:47:13,945 INFO L272 AbstractInterpreter]: Visited 124 different actions 492 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:47:13,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:13,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:47:13,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:13,954 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 18:47:13,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:13,967 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:47:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:14,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:47:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:47:14,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:47:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:47:15,805 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:47:15,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 18:47:15,806 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:47:15,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 18:47:15,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 18:47:15,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:47:15,807 INFO L87 Difference]: Start difference. First operand 4058 states and 5194 transitions. Second operand 9 states. [2018-11-07 18:47:16,359 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 18:47:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:22,503 INFO L93 Difference]: Finished difference Result 12171 states and 16778 transitions. [2018-11-07 18:47:22,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 18:47:22,506 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 175 [2018-11-07 18:47:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:22,532 INFO L225 Difference]: With dead ends: 12171 [2018-11-07 18:47:22,532 INFO L226 Difference]: Without dead ends: 6036 [2018-11-07 18:47:22,556 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:47:22,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6036 states. [2018-11-07 18:47:22,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6036 to 5840. [2018-11-07 18:47:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5840 states. [2018-11-07 18:47:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 7066 transitions. [2018-11-07 18:47:22,717 INFO L78 Accepts]: Start accepts. Automaton has 5840 states and 7066 transitions. Word has length 175 [2018-11-07 18:47:22,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:22,717 INFO L480 AbstractCegarLoop]: Abstraction has 5840 states and 7066 transitions. [2018-11-07 18:47:22,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 18:47:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 5840 states and 7066 transitions. [2018-11-07 18:47:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-07 18:47:22,737 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:22,737 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-07 18:47:22,738 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:22,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:22,738 INFO L82 PathProgramCache]: Analyzing trace with hash 243668093, now seen corresponding path program 1 times [2018-11-07 18:47:22,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:22,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:22,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:22,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:22,740 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-07 18:47:22,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:22,985 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:22,986 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-11-07 18:47:22,986 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [155], [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], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:22,990 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:22,991 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:27,464 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:27,465 INFO L272 AbstractInterpreter]: Visited 126 different actions 2666 times. Merged at 9 different actions 246 times. Widened at 1 different actions 18 times. Found 59 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:47:27,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:27,468 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:28,199 INFO L227 lantSequenceWeakener]: Weakened 255 states. On average, predicates are now at 80.9% of their original sizes. [2018-11-07 18:47:28,199 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:29,852 INFO L415 sIntCurrentIteration]: We unified 257 AI predicates to 257 [2018-11-07 18:47:29,853 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:29,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:29,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-07 18:47:29,853 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:29,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 18:47:29,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 18:47:29,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-07 18:47:29,854 INFO L87 Difference]: Start difference. First operand 5840 states and 7066 transitions. Second operand 12 states. [2018-11-07 18:47:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:39,408 INFO L93 Difference]: Finished difference Result 7492 states and 9051 transitions. [2018-11-07 18:47:39,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:47:39,408 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 258 [2018-11-07 18:47:39,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:39,409 INFO L225 Difference]: With dead ends: 7492 [2018-11-07 18:47:39,409 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:47:39,423 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 276 GetRequests, 218 SyntacticMatches, 29 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:47:39,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:47:39,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:47:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:47:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:47:39,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 258 [2018-11-07 18:47:39,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:39,425 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:47:39,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 18:47:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:47:39,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:47:39,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:47:39,824 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 157 [2018-11-07 18:47:39,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:39,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:40,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:40,084 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 160 [2018-11-07 18:47:40,980 WARN L179 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-11-07 18:47:41,480 WARN L179 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2018-11-07 18:47:46,641 WARN L179 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 290 DAG size of output: 121 [2018-11-07 18:47:47,209 WARN L179 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 96 [2018-11-07 18:47:48,004 WARN L179 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 108 [2018-11-07 18:47:48,008 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:47:48,008 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-07 18:47:48,008 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:47:48,008 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,008 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:47:48,009 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:47:48,010 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:47:48,011 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:47:48,012 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,013 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:47:48,014 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,015 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:47:48,016 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,017 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:47:48,018 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:47:48,019 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:47:48,020 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:47:48,021 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,022 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:47:48,023 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,024 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:47:48,025 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,026 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,027 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse34 (<= ~a19~0 0)) (.cse30 (<= 7 ~a28~0)) (.cse10 (= 1 |old(~a11~0)|)) (.cse17 (< |old(~a28~0)| 7)) (.cse32 (not (= 0 |old(~a25~0)|))) (.cse2 (not (= 1 ~a21~0))) (.cse21 (not (= 1 |old(~a19~0)|))) (.cse22 (< 1 |old(~a25~0)|)) (.cse29 (not (= 0 |old(~a11~0)|))) (.cse31 (< 11 |old(~a28~0)|)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse35 (= ~a28~0 8))) (let ((.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse5 (<= 6 ~a28~0)) (.cse6 (<= ~a19~0 1)) (.cse7 (<= ~a28~0 21)) (.cse8 (= ~a17~0 8)) (.cse24 (<= ~a17~0 |old(~a17~0)|)) (.cse19 (= 1 ~a11~0)) (.cse4 (= |old(~a25~0)| ~a25~0)) (.cse26 (< 7 |old(~a17~0)|)) (.cse0 (< 1 |old(~a19~0)|)) (.cse25 (not .cse35)) (.cse12 (< 21 |old(~a28~0)|)) (.cse13 (< |old(~a28~0)| 6)) (.cse18 (<= ~a28~0 10)) (.cse27 (and (or .cse2 .cse21 .cse29 .cse31 .cse14 .cse17 .cse32) (or .cse2 (< |old(~a28~0)| 8) .cse21 .cse22 .cse29 .cse31 .cse14))) (.cse20 (< 10 |old(~a28~0)|)) (.cse16 (not .cse10)) (.cse1 (< 6 |calculate_output_#in~input|)) (.cse9 (< |old(~a25~0)| 0)) (.cse28 (= 1 |old(~a25~0)|)) (.cse11 (< |old(~a11~0)| 0)) (.cse37 (< 8 |old(~a28~0)|)) (.cse36 (and .cse34 .cse30 (<= ~a28~0 8))) (.cse23 (= 8 |old(~a28~0)|)) (.cse33 (< 0 |old(~a19~0)|)) (.cse15 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse1 .cse2 .cse9 .cse16 .cse17 (and .cse18 .cse4 .cse19 .cse8) .cse20 .cse21 .cse22 .cse14 .cse15) (or .cse23 (and .cse24 .cse3 .cse25 .cse4) .cse26) (or .cse1 .cse27 .cse9 .cse15 (or (= ~a25~0 0) (<= 8 ~a28~0))) (or .cse0 .cse1 .cse2 .cse9 .cse16 .cse23 .cse12 .cse13 .cse14 (and .cse4 .cse5 .cse19 .cse6 .cse7 .cse8) .cse15) (or .cse1 (or .cse2 (not (= 11 |old(~a28~0)|)) (not .cse28)) .cse29 .cse21 .cse14 (= ~a28~0 11) .cse15) (or (and .cse24 .cse19 .cse4) .cse16 .cse26 .cse28) (or .cse0 .cse1 .cse2 .cse9 .cse25 .cse11 .cse23 .cse12 .cse13 .cse14 .cse15) (or .cse1 .cse2 (< 1 |old(~a11~0)|) .cse9 .cse17 .cse11 .cse21 .cse22 (and .cse30 (<= ~a28~0 11) (= ~a19~0 1)) .cse31 .cse14 .cse15) (or (= ~a28~0 7) (or .cse2 .cse1 (not (= 7 |old(~a28~0)|)) .cse21 .cse29 .cse14) .cse32 .cse15) (or .cse1 .cse18 .cse27 .cse9 .cse20 .cse15) (or .cse1 .cse2 (not .cse23) .cse10 .cse11 .cse14 .cse33 (and .cse34 .cse35) .cse32 .cse15) (or .cse1 .cse2 .cse36 .cse9 .cse16 .cse17 .cse37 .cse23 .cse14 .cse33 .cse15) (or .cse1 .cse2 .cse9 .cse17 .cse28 .cse11 .cse37 .cse36 .cse23 .cse14 .cse33 .cse15)))) [2018-11-07 18:47:48,027 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,027 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,027 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:47:48,027 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:47:48,027 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:47:48,028 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:47:48,029 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:47:48,030 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:47:48,031 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:47:48,032 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:47:48,033 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:47:48,033 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 18:47:48,034 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:47:48,034 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:47:48,034 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 7) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (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 18:47:48,034 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:47:48,034 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 8))) (.cse10 (<= ~a25~0 1)) (.cse0 (<= 1 main_~input~0)) (.cse1 (<= main_~input~0 6)) (.cse3 (<= 0 ~a25~0)) (.cse4 (<= 6 ~a28~0)) (.cse6 (<= ~a19~0 1)) (.cse7 (<= ~a28~0 21)) (.cse9 (<= ~a17~0 7)) (.cse5 (= 1 ~a11~0)) (.cse11 (= ~a19~0 1)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse2) (and (<= ~a28~0 10) (<= 7 ~a28~0) .cse10 .cse3 .cse5 .cse8 .cse11) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (and (<= ~a28~0 11) .cse3 .cse8 .cse11 (<= 9 ~a28~0) .cse10) .cse5) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (and .cse12 .cse0 .cse1 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse9 (not (= ~a25~0 1)) .cse5) (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)) (and (= ~a25~0 0) (= (+ main_~output~0 1) 0) .cse11 (= ~a28~0 7) .cse12 .cse8))) [2018-11-07 18:47:48,034 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:47:48,035 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:47:48,035 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 8))) (.cse4 (<= 6 ~a28~0)) (.cse6 (<= ~a19~0 1)) (.cse7 (<= ~a28~0 21)) (.cse9 (<= ~a17~0 7)) (.cse0 (<= 1 main_~input~0)) (.cse1 (<= main_~input~0 6)) (.cse3 (<= 0 ~a25~0)) (.cse5 (= 1 ~a11~0)) (.cse8 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse2) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (and (= ~a11~0 |old(~a11~0)|) .cse0 .cse1 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse9 (not (= ~a25~0 1)) .cse5) (and .cse0 .cse1 (<= 7 ~a28~0) (<= ~a25~0 1) (<= ~a28~0 11) .cse3 .cse5 .cse8 (= ~a19~0 1)) (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 18:47:48,035 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:47:48,035 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:47:48,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:47:48 BoogieIcfgContainer [2018-11-07 18:47:48,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:47:48,050 INFO L168 Benchmark]: Toolchain (without parser) took 111195.01 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 18:47:48,052 INFO L168 Benchmark]: CDTParser took 0.25 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 18:47:48,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.46 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 18:47:48,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -818.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 18:47:48,054 INFO L168 Benchmark]: Boogie Preprocessor took 126.83 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:47:48,054 INFO L168 Benchmark]: RCFGBuilder took 3288.59 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: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:47:48,055 INFO L168 Benchmark]: TraceAbstraction took 106913.31 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 2.5 GB in the end (delta: -448.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 18:47:48,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 738.46 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 122.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -818.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.83 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3288.59 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: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 106913.31 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 2.5 GB in the end (delta: -448.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: 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: ((((((((((((((((((((((((((((((1 <= input && input <= 6) && !(a28 == 8)) && 0 <= a25) && 6 <= a28) && 1 == a11) && a19 <= 1) && a28 <= 21) && a17 == 8) || (a17 <= 7 && !(a28 == 8))) || ((((((a28 <= 10 && 7 <= a28) && a25 <= 1) && 0 <= a25) && 1 == a11) && a17 == 8) && a19 == 1)) || !(\old(a11) == 0)) || !(v == 22)) || !(u == 21)) || ((((((a28 <= 11 && 0 <= a25) && a17 == 8) && a19 == 1) && 9 <= a28) && a25 <= 1) && 1 == a11)) || !(a21 == 1)) || !(y == 25)) || !(3 == c)) || (((((((a11 == \old(a11) && 1 <= input) && input <= 6) && 0 <= a25) && 6 <= a28) && a19 <= 1) && a28 <= 21) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || !(\old(a25) == 0)) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23)) || (((((a25 == 0 && output + 1 == 0) && a19 == 1) && a28 == 7) && a11 == \old(a11)) && a17 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 106.8s OverallTime, 9 OverallIterations, 7 TraceHistogramMax, 74.9s AutomataDifference, 0.0s DeadEndRemovalTime, 8.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1546 SDtfs, 10305 SDslu, 2443 SDs, 0 SdLazy, 13637 SolverSat, 2473 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.2s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1485 GetRequests, 1246 SyntacticMatches, 62 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1313 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5840occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.9s AbstIntTime, 7 AbstIntIterations, 6 AbstIntStrong, 0.9965437557439865 AbsIntWeakeningRatio, 0.23645320197044334 AbsIntAvgWeakeningVarsNumRemoved, 23.210837438423646 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 644 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 131 PreInvPairs, 201 NumberOfFragments, 1220 HoareAnnotationTreeSize, 131 FomulaSimplifications, 14646 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12808 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1624 NumberOfCodeBlocks, 1624 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 527145 SizeOfPredicates, 1 NumberOfNonLiveVariables, 473 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 823/919 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...