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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:08:49,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:08:49,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:08:49,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:08:49,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:08:49,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:08:49,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:08:49,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:08:49,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:08:49,829 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:08:49,830 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:08:49,830 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:08:49,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:08:49,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:08:49,839 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:08:49,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:08:49,840 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:08:49,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:08:49,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:08:49,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:08:49,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:08:49,853 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:08:49,859 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:08:49,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:08:49,860 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:08:49,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:08:49,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:08:49,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:08:49,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:08:49,868 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:08:49,868 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:08:49,870 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:08:49,870 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:08:49,870 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:08:49,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:08:49,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:08:49,873 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:08:49,902 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:08:49,902 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:08:49,904 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:08:49,904 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:08:49,904 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:08:49,905 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:08:49,905 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:08:49,905 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:08:49,905 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:08:49,905 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:08:49,906 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:08:49,906 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:08:49,906 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:08:49,906 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:08:49,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:08:49,907 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:08:49,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:08:49,909 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:08:49,909 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:08:49,909 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:08:49,909 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:08:49,909 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:08:49,910 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:08:49,910 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:08:49,910 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:08:49,910 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:08:49,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:08:49,910 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:08:49,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:08:49,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:08:49,911 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:08:49,911 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:08:49,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:08:49,912 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:08:49,912 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:08:49,912 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:08:49,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:08:49,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:08:49,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:08:49,984 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:08:49,984 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:08:49,985 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c [2018-11-07 07:08:50,044 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a4c702b/d4ece743bb254bd2b12aa5fd345e4653/FLAGef9739697 [2018-11-07 07:08:50,605 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:08:50,606 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c [2018-11-07 07:08:50,629 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a4c702b/d4ece743bb254bd2b12aa5fd345e4653/FLAGef9739697 [2018-11-07 07:08:50,647 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a4c702b/d4ece743bb254bd2b12aa5fd345e4653 [2018-11-07 07:08:50,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:08:50,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:08:50,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:08:50,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:08:50,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:08:50,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:50" (1/1) ... [2018-11-07 07:08:50,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473d8c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:50, skipping insertion in model container [2018-11-07 07:08:50,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:50" (1/1) ... [2018-11-07 07:08:50,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:08:50,753 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:08:51,191 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:08:51,202 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:08:51,307 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:08:51,324 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:08:51,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51 WrapperNode [2018-11-07 07:08:51,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:08:51,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:08:51,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:08:51,327 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:08:51,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:08:51,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:08:51,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:08:51,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:08:51,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (1/1) ... [2018-11-07 07:08:51,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:08:51,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:08:51,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:08:51,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:08:51,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (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 07:08:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:08:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:08:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:08:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:08:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:08:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:08:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:08:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:08:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:08:55,288 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:08:55,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:55 BoogieIcfgContainer [2018-11-07 07:08:55,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:08:55,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:08:55,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:08:55,294 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:08:55,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:08:50" (1/3) ... [2018-11-07 07:08:55,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a0fc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:08:55, skipping insertion in model container [2018-11-07 07:08:55,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:51" (2/3) ... [2018-11-07 07:08:55,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a0fc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:08:55, skipping insertion in model container [2018-11-07 07:08:55,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:55" (3/3) ... [2018-11-07 07:08:55,299 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label33_true-unreach-call_false-termination.c [2018-11-07 07:08:55,311 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:08:55,318 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:08:55,333 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:08:55,373 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:08:55,373 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:08:55,373 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:08:55,373 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:08:55,373 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:08:55,374 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:08:55,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:08:55,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:08:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 07:08:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 07:08:55,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:55,422 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:55,424 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:55,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:55,431 INFO L82 PathProgramCache]: Analyzing trace with hash 928371784, now seen corresponding path program 1 times [2018-11-07 07:08:55,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:55,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:55,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:55,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:55,485 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:56,127 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:08:56,252 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 07:08:56,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:08:56,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:08:56,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:56,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:08:56,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:08:56,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:08:56,285 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 07:08:58,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:58,057 INFO L93 Difference]: Finished difference Result 621 states and 1060 transitions. [2018-11-07 07:08:58,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:08:58,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-07 07:08:58,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:58,081 INFO L225 Difference]: With dead ends: 621 [2018-11-07 07:08:58,081 INFO L226 Difference]: Without dead ends: 382 [2018-11-07 07:08:58,089 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:08:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-07 07:08:58,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2018-11-07 07:08:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-07 07:08:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 637 transitions. [2018-11-07 07:08:58,179 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 637 transitions. Word has length 148 [2018-11-07 07:08:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:58,180 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 637 transitions. [2018-11-07 07:08:58,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:08:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 637 transitions. [2018-11-07 07:08:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-07 07:08:58,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:58,189 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:58,190 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:58,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:58,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1776379179, now seen corresponding path program 1 times [2018-11-07 07:08:58,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:58,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:58,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:58,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:58,192 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:58,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:08:58,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:08:58,694 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:58,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:08:58,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:08:58,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:08:58,698 INFO L87 Difference]: Start difference. First operand 381 states and 637 transitions. Second operand 5 states. [2018-11-07 07:09:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:09:00,364 INFO L93 Difference]: Finished difference Result 901 states and 1555 transitions. [2018-11-07 07:09:00,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:09:00,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-11-07 07:09:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:09:00,371 INFO L225 Difference]: With dead ends: 901 [2018-11-07 07:09:00,372 INFO L226 Difference]: Without dead ends: 380 [2018-11-07 07:09:00,379 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:09:00,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-07 07:09:00,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-07 07:09:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-07 07:09:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 632 transitions. [2018-11-07 07:09:00,405 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 632 transitions. Word has length 157 [2018-11-07 07:09:00,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:09:00,406 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 632 transitions. [2018-11-07 07:09:00,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:09:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 632 transitions. [2018-11-07 07:09:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-07 07:09:00,410 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:09:00,411 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:00,411 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:09:00,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:00,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1550055566, now seen corresponding path program 1 times [2018-11-07 07:09:00,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:09:00,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:00,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:00,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:00,413 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:09:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:09:00,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:09:00,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:09:00,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:09:00,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:09:00,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:09:00,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:09:00,723 INFO L87 Difference]: Start difference. First operand 380 states and 632 transitions. Second operand 6 states. [2018-11-07 07:09:03,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:09:03,167 INFO L93 Difference]: Finished difference Result 1184 states and 2066 transitions. [2018-11-07 07:09:03,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:09:03,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2018-11-07 07:09:03,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:09:03,183 INFO L225 Difference]: With dead ends: 1184 [2018-11-07 07:09:03,183 INFO L226 Difference]: Without dead ends: 810 [2018-11-07 07:09:03,186 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:09:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-07 07:09:03,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 800. [2018-11-07 07:09:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-07 07:09:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1274 transitions. [2018-11-07 07:09:03,264 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1274 transitions. Word has length 182 [2018-11-07 07:09:03,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:09:03,264 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1274 transitions. [2018-11-07 07:09:03,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:09:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1274 transitions. [2018-11-07 07:09:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-07 07:09:03,269 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:09:03,269 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:03,270 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:09:03,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:03,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1945419898, now seen corresponding path program 1 times [2018-11-07 07:09:03,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:09:03,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:03,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:03,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:03,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:09:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:09:03,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:09:03,606 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:09:03,607 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-11-07 07:09:03,609 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:09:03,661 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:09:03,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:09:04,653 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:09:04,655 INFO L272 AbstractInterpreter]: Visited 151 different actions 296 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 07:09:04,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:04,698 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:09:05,203 INFO L227 lantSequenceWeakener]: Weakened 180 states. On average, predicates are now at 83.06% of their original sizes. [2018-11-07 07:09:05,203 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:09:05,623 INFO L415 sIntCurrentIteration]: We unified 182 AI predicates to 182 [2018-11-07 07:09:05,623 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:09:05,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:09:05,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-07 07:09:05,625 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:09:05,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:09:05,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:09:05,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:09:05,627 INFO L87 Difference]: Start difference. First operand 800 states and 1274 transitions. Second operand 10 states. [2018-11-07 07:09:20,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:09:20,108 INFO L93 Difference]: Finished difference Result 2193 states and 3465 transitions. [2018-11-07 07:09:20,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 07:09:20,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2018-11-07 07:09:20,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:09:20,118 INFO L225 Difference]: With dead ends: 2193 [2018-11-07 07:09:20,118 INFO L226 Difference]: Without dead ends: 1399 [2018-11-07 07:09:20,121 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 192 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:09:20,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2018-11-07 07:09:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1391. [2018-11-07 07:09:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2018-11-07 07:09:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1963 transitions. [2018-11-07 07:09:20,163 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1963 transitions. Word has length 183 [2018-11-07 07:09:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:09:20,163 INFO L480 AbstractCegarLoop]: Abstraction has 1391 states and 1963 transitions. [2018-11-07 07:09:20,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:09:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1963 transitions. [2018-11-07 07:09:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-07 07:09:20,170 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:09:20,170 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:20,171 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:09:20,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:20,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1389336315, now seen corresponding path program 1 times [2018-11-07 07:09:20,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:09:20,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:20,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:20,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:20,173 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:09:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 07:09:20,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:09:20,417 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:09:20,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-11-07 07:09:20,418 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:09:20,424 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:09:20,425 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:09:20,623 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:09:20,624 INFO L272 AbstractInterpreter]: Visited 153 different actions 300 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 07:09:20,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:20,630 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:09:20,927 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 81.3% of their original sizes. [2018-11-07 07:09:20,927 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:09:21,233 INFO L415 sIntCurrentIteration]: We unified 214 AI predicates to 214 [2018-11-07 07:09:21,233 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:09:21,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:09:21,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:09:21,234 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:09:21,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:09:21,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:09:21,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:09:21,236 INFO L87 Difference]: Start difference. First operand 1391 states and 1963 transitions. Second operand 10 states. [2018-11-07 07:09:27,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:09:27,535 INFO L93 Difference]: Finished difference Result 3220 states and 4493 transitions. [2018-11-07 07:09:27,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 07:09:27,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 215 [2018-11-07 07:09:27,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:09:27,544 INFO L225 Difference]: With dead ends: 3220 [2018-11-07 07:09:27,545 INFO L226 Difference]: Without dead ends: 1835 [2018-11-07 07:09:27,549 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:09:27,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2018-11-07 07:09:27,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1830. [2018-11-07 07:09:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1830 states. [2018-11-07 07:09:27,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2476 transitions. [2018-11-07 07:09:27,599 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2476 transitions. Word has length 215 [2018-11-07 07:09:27,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:09:27,599 INFO L480 AbstractCegarLoop]: Abstraction has 1830 states and 2476 transitions. [2018-11-07 07:09:27,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:09:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2476 transitions. [2018-11-07 07:09:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-07 07:09:27,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:09:27,607 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:09:27,608 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:09:27,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:27,608 INFO L82 PathProgramCache]: Analyzing trace with hash -167546109, now seen corresponding path program 1 times [2018-11-07 07:09:27,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:09:27,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:27,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:27,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:27,610 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:09:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:09:27,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:09:27,885 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:09:27,886 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-07 07:09:27,886 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:09:27,894 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:09:27,895 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:09:28,314 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:09:28,314 INFO L272 AbstractInterpreter]: Visited 154 different actions 458 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:09:28,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:28,342 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:09:28,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:09:28,342 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 07:09:28,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:28,357 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:09:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:28,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:09:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:09:28,975 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:09:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:09:29,856 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:09:29,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-07 07:09:29,856 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:09:29,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 07:09:29,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 07:09:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-07 07:09:29,857 INFO L87 Difference]: Start difference. First operand 1830 states and 2476 transitions. Second operand 14 states. [2018-11-07 07:09:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:09:34,183 INFO L93 Difference]: Finished difference Result 5511 states and 7974 transitions. [2018-11-07 07:09:34,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 07:09:34,184 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2018-11-07 07:09:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:09:34,197 INFO L225 Difference]: With dead ends: 5511 [2018-11-07 07:09:34,198 INFO L226 Difference]: Without dead ends: 2656 [2018-11-07 07:09:34,208 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-07 07:09:34,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2018-11-07 07:09:34,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2589. [2018-11-07 07:09:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2018-11-07 07:09:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3088 transitions. [2018-11-07 07:09:34,274 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3088 transitions. Word has length 219 [2018-11-07 07:09:34,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:09:34,274 INFO L480 AbstractCegarLoop]: Abstraction has 2589 states and 3088 transitions. [2018-11-07 07:09:34,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 07:09:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3088 transitions. [2018-11-07 07:09:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-07 07:09:34,284 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:09:34,284 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:34,285 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:09:34,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:34,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1195916903, now seen corresponding path program 1 times [2018-11-07 07:09:34,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:09:34,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:34,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:34,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:09:34,287 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:09:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:34,680 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-11-07 07:09:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:09:34,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:09:34,783 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:09:34,784 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2018-11-07 07:09:34,784 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [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], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:09:34,789 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:09:34,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:09:35,333 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:09:35,333 INFO L272 AbstractInterpreter]: Visited 153 different actions 453 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:09:35,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:09:35,376 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:09:35,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:09:35,377 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:09:35,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:09:35,388 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:09:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:09:35,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:09:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:09:35,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:09:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:09:36,128 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:09:36,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-07 07:09:36,128 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:09:36,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:09:36,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:09:36,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:09:36,130 INFO L87 Difference]: Start difference. First operand 2589 states and 3088 transitions. Second operand 3 states. [2018-11-07 07:09:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:09:37,071 INFO L93 Difference]: Finished difference Result 3986 states and 4845 transitions. [2018-11-07 07:09:37,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:09:37,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2018-11-07 07:09:37,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:09:37,072 INFO L225 Difference]: With dead ends: 3986 [2018-11-07 07:09:37,072 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:09:37,081 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:09:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:09:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:09:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:09:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:09:37,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2018-11-07 07:09:37,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:09:37,082 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:09:37,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:09:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:09:37,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:09:37,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:09:37,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:09:37,395 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2018-11-07 07:09:38,315 WARN L179 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2018-11-07 07:09:38,442 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2018-11-07 07:09:38,604 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2018-11-07 07:09:38,608 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:09:38,608 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-07 07:09:38,608 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:09:38,608 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 07:09:38,609 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,610 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,611 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,611 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,611 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,611 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 07:09:38,611 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 07:09:38,611 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:09:38,612 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,613 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 07:09:38,614 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,615 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 07:09:38,616 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 07:09:38,617 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 07:09:38,618 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 07:09:38,619 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,620 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:09:38,621 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 07:09:38,622 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,623 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 07:09:38,624 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,625 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 07:09:38,626 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,627 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,628 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,628 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,628 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= 1 |old(~a11~0)|)) (.cse6 (= 9 |old(~a28~0)|)) (.cse16 (= |old(~a17~0)| ~a17~0)) (.cse17 (= ~a28~0 |old(~a28~0)|))) (let ((.cse5 (and (= |old(~a11~0)| ~a11~0) .cse16 .cse17)) (.cse2 (not (= |old(~a17~0)| 8))) (.cse9 (= 0 |old(~a28~0)|)) (.cse10 (not (= 0 |old(~a11~0)|))) (.cse12 (= |calculate_output_#in~input| 0)) (.cse3 (and .cse16 .cse17 (= ~a11~0 1))) (.cse1 (= 8 |old(~a28~0)|)) (.cse7 (< 7 |old(~a17~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a25~0)|))) (.cse8 (not (= 1 |old(~a19~0)|))) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse15 (not .cse6)) (.cse4 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse0 (= ~a25~0 0) .cse8 .cse9 .cse1 .cse10 .cse11 .cse12 (not (= 0 |old(~a25~0)|))) (or .cse0 .cse13 .cse5 .cse2) (or .cse0 .cse8 .cse9 .cse10 .cse11 .cse12 (= ~a19~0 1)) (or (or .cse0 .cse14 .cse8 .cse10 .cse11 .cse15) (= ~a25~0 1) .cse12) (or .cse0 .cse3 .cse1 .cse4 .cse7) (or .cse0 .cse14 .cse8 .cse11 (and (= 1 ~a25~0) (= 1 ~a19~0)) .cse15 .cse4)))) [2018-11-07 07:09:38,628 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,628 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 07:09:38,629 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,630 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 07:09:38,631 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 07:09:38,632 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 07:09:38,633 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 07:09:38,634 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:09:38,635 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:09:38,635 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 07:09:38,635 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 07:09:38,635 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:09:38,635 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-07 07:09:38,635 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:09:38,635 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:09:38,635 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|))) [2018-11-07 07:09:38,635 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 07:09:38,636 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1)) (.cse2 (<= ~a17~0 7)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not .cse1)) (and .cse2 .cse3 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse3 (not (= ~a28~0 9))) (and .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:09:38,636 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:09:38,636 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:09:38,636 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1)) (.cse2 (<= ~a17~0 7)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not .cse1)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:09:38,636 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 07:09:38,636 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 07:09:38,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:09:38 BoogieIcfgContainer [2018-11-07 07:09:38,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:09:38,653 INFO L168 Benchmark]: Toolchain (without parser) took 47993.66 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 344.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:09:38,654 INFO L168 Benchmark]: CDTParser took 0.22 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 07:09:38,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.25 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 07:09:38,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:09:38,660 INFO L168 Benchmark]: Boogie Preprocessor took 97.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:09:38,661 INFO L168 Benchmark]: RCFGBuilder took 3740.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. [2018-11-07 07:09:38,663 INFO L168 Benchmark]: TraceAbstraction took 43362.42 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 892.9 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -609.1 MB). Peak memory consumption was 283.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:09:38,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 664.25 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 124.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3740.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43362.42 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 892.9 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -609.1 MB). Peak memory consumption was 283.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && a11 == 1)) || !(1 == \old(a19))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9))) || (\old(a17) == a17 && !(a28 == 8))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 43.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 32.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1146 SDtfs, 6925 SDslu, 1551 SDs, 0 SdLazy, 7908 SolverSat, 1846 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1397 GetRequests, 1308 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2589occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.997731444433762 AbsIntWeakeningRatio, 0.16666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 27.012626262626263 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 91 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 65 PreInvPairs, 109 NumberOfFragments, 422 HoareAnnotationTreeSize, 65 FomulaSimplifications, 1753 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1809 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1793 NumberOfCodeBlocks, 1793 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2236 ConstructedInterpolants, 0 QuantifiedInterpolants, 1516482 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1016 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 706/794 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...